dearborn river tmdl planning area: appendix...
TRANSCRIPT
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Dearborn River TMDL Planning Area: Appendix B
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Dearborn River TPA Appendix B
Final Report i
Table of Contents SAMPLING AND ANALYSIS PLAN ........................................................................................... DEARBORN RIVER MAINSTEM ............................................................................................... MIDDLE FORK DEARBORN RIVER......................................................................................... SOUTH FORK DEARBORN RIVER ........................................................................................... FLAT CREEK.................................................................................................................................. WATER QUALITY DATA ............................................................................................................ BIOLOGICAL DATA AND REPORTS .......................................................................................
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SAMPLING AND ANALYSIS PLAN
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DEARBORN RIVER MAINSTEM
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Appendix B Dearborn River TPA
Final Report 1
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Appendix B Dearborn River TPA
2 Final Report
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Appendix B Dearborn River TPA
Final Report 3
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Appendix B Dearborn River TPA
4 Final Report
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Appendix B Dearborn River TPA
Final Report 5
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Appendix B Dearborn River TPA
6 Final Report
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Appendix B Dearborn River TPA
Final Report 7
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Appendix B Dearborn River TPA
8 Final Report
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Appendix B Dearborn River TPA
Final Report 9
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Appendix B Dearborn River TPA
10 Final Report
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Appendix B Dearborn River TPA
Final Report 11
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Appendix B Dearborn River TPA
12 Final Report
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Appendix B Dearborn River TPA
Final Report 13
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Appendix B Dearborn River TPA
14 Final Report
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Appendix B Dearborn River TPA
Final Report 15
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Appendix B Dearborn River TPA
16 Final Report
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Appendix B Dearborn River TPA
Final Report 17
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Appendix B Dearborn River TPA
18 Final Report
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Appendix B Dearborn River TPA
Final Report 19
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Appendix B Dearborn River TPA
20 Final Report
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Appendix B Dearborn River TPA
Final Report 21
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Appendix B Dearborn River TPA
22 Final Report
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Appendix B Dearborn River TPA
Final Report 23
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Appendix B Dearborn River TPA
24 Final Report
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Appendix B Dearborn River TPA
Final Report 25
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Appendix B Dearborn River TPA
26 Final Report
M12DRBNR05 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 77 mmPercentage of Fines (<2mm) 4.92 %Stream TypeDischarge 105.06 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 94.6 %
6 min50'
parameter value unitsFlow 105.06 cfsTemperature, water 13.44 degree CpH 8.41Specific Conductance 0.27 mS/cmDissolved Oxygen 9.94 mg/LDissolved Oxygen, % Saturation 95.1 %Turbidity 0.76 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.6 mg/m^3 0.1Benthic Chlorophyll a 19.7 mg/m^3 0.1Total Phosphorus, TP 0.056 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 15 scorePERCENT OF MAX SCORE 83 %IMPAIRMENT CLASSIFICATION NON IMPAIREDUSE SUPPORT FULL SUPPORT
Macroinvertabrate Data Results
Lab Results from Field Samples
Field Measurements of water chemistry
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Stream Reach Habitat Assessments
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Geomorphology Data
15:17Dearborn River below confluence with Falls Creek, above Flat Creek Diversion
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Appendix B Dearborn River TPA
Final Report 27
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 2 1.64 1.64S 1.5 1-2 4 3.28 4.92FG 3 2-4 0.00 4.92FG 5 4-6 3 2.46 7.38FG 7 6-8 2 1.64 9.02MG 10 8-12 6 4.92 13.93MG 14 12-16 4 3.28 17.21CG 18 16-22 6 4.92 22.13CG 27 22-32 10 8.20 30.33CG 38.5 32-45 7 5.74 36.07CG 54.5 45-64 11 9.02 45.08SC 77 64-90 15 12.30 57.38SC 109 90-128 20 16.39 73.77MC 154 128-180 23 18.85 92.62LC 218 180-256 5 4.10 96.72LC 309 256-362 3 2.46 99.18SB 437 362-512 1 0.82 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 122 100.00 100.00D50 particle size (mm) 77% Fines (<2mm) 4.92
M12DRBNR05 Date- 7/24/2003 15:17Dearborn River below confluence with Falls Creek, above Flat Creek Diversion
Pebble Count Data
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Appendix B Dearborn River TPA
28 Final Report
M12DRBRNR04 Date- 7/22/2003
parameter value unitsBankfull Width 75.00 FtMean Depth 2.60 FtBnkfull X-sect area 195.13 Sq FtWidth/Depth 28.83Max Depth 3.49 FtFlood prone width 238.00 FtEntrenchement Ratio 3.17Water slope 0.0010Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 38.5 mmPercentage of Fines (<2mm) 10.89 %Stream Type C4 border C4c due to low slopeDischarge 38.00 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 85 %Stream Reach Assessment Score (MT adjusted) 91 %Macroinvertabrate Habitat Assessment Score 91.5 %
4.5 min120'
parameter value unitsFlow 38.00 cfsTemperature, water 26.94 degree CpH 8.21Specific Conductance 0.285 mS/cmDissolved Oxygen 7.55 mg/LDissolved Oxygen, % Saturation 94.8 %Turbidity 1.39 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 1.8 mg/m^3 0.1Benthic Chlorophyll a 10.5 mg/m^3 0.1Total Phosphorus, TP 0.018 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 9 scorePERCENT OF MAX SCORE 50 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Macroinvertabrate Habitat Assessment Score
Field Measurements of water chemistry
Stream Reach Assessment Score (MT adjusted)
Stream Reach Habitat Assessments
18:45Dearborn River at Hwy 287
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Geomorphology Data
Lab Results from Field Samples
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
Final Report 29
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 7 6.93 6.93S 1.5 1-2 4 3.96 10.89FG 3 2-4 1 0.99 11.88FG 5 4-6 1 0.99 12.87FG 7 6-8 1 0.99 13.86MG 10 8-12 7 6.93 20.79MG 14 12-16 5 4.95 25.74CG 18 16-22 8 7.92 33.66CG 27 22-32 12 11.88 45.54CG 38.5 32-45 12 11.88 57.43CG 54.5 45-64 15 14.85 72.28SC 77 64-90 12 11.88 84.16SC 109 90-128 8 7.92 92.08MC 154 128-180 0.00 92.08LC 218 180-256 3 2.97 95.05LC 309 256-362 3 2.97 98.02SB 437 362-512 0.00 98.02MB 768 512-1024 2 1.98 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 101 100.00 100.00D50 particle size (mm) 32-45% Fines (<2mm) 10.89
M12DRBRNR04 Date- 7/22/2003 18:45Dearborn River at Hwy 287
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
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Appendix B Dearborn River TPA
30 Final Report
Parameter Value Units Parameter Value Units0.0010
3.49 feet6.98 feet
625.00 feet 2.60 feetfeet 75.00 feet
110.00 feet 238.00 feet185.00 feet 195.13 ft^211.22 feet ft^27.73 feet 28.834.24 feet 195.13 ft^2
-30.00 feet 3.17208.00 feet
feetfeetfeet% %Degrees degrees% %
ft/sec ft/sec/ftfeetft/secfeet
ft^2M12DRBRNR04 Date- 7/22/2003 18:45
Dearborn River at Hwy 287
BEHI Field Measures
Long
itudi
nal
Info
rmat
ion
Rod reading @ Upstream Edge of Water 10.47 feet
Stream Distance
BEHI Calculated Values
Straightline Distance
SlopeSinuousity
Rod reading @ Downstream Edge of Water 11.07 feet Floodprone HeightMax Depth
Bankfull AreaRod reading @ Thalweg FloodproneArea
Mean DepthBankfull Width
Rod reading @ Bankfull Depth W/D RatioRod reading @ Floodplain Depth Cross Sectional Area
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull Floodplrone WidthRight Edge of Bankfull
Left Edge of Floodprone depth Entrenchment RatioRight Edge of Floodprone depth
Root Depth Root Depth/Bank HtBankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Density Root DensityBank Angle Bank AngleSurface Protection Surface Protection
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress /
Mean Shear stressvelocity at left bank
Near bank stressMean shear stress
tape reading at left bank A nb / A
Near bank x-sectional area
M12DRBRNR04 Date- 7/22/2003 18:45Dearborn River at Hwy 287
BEHI Associated Index Value (from form) Possible Adjustment FactorsBank Ht/Bankfull Ht Bank MaterialsRoot Depth/Bank Ht Bedrock is always Very LowRoot Density Boulders are always LowBank Angle Cobble decrease the category by one unless the mixture
of Sand/Gravel is over 50%Surface Protection
Numeric Adjustments:
silt/clay- no adjustment
Total Index Value Gravel- adjust the values up 5-10 pts depending on sand composition
Bank Materials Index adjustment: Sand- adjust the values up 10 pts
Stratification5-10 pts upward depending on position of unstable layers relative to bankfull stageTotal adjusted Index Value:
Bank Stratification Index adjustment:
Bank Erosion Potential Rating:
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Appendix B Dearborn River TPA
Final Report 31
Channel Cross Section
0.0
2.0
4.0
6.0
8.0
10.0
12.0-3
0.0
-10.
0
10.0
30.0
50.0
70.0
90.0
110.
0
130.
0
150.
0
170.
0
190.
0
210.
0
230.
0
Station (ft)
Hei
ght (
ft)
ChannelWater SurfaceBankfull ElevationFloodprone Elevation
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Appendix B Dearborn River TPA
32 Final Report
M12DRBNR06 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) %Stream TypeDischarge 43.10 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 92.3 %
3.5 min60'
parameter value unitsFlow 43.10 cfsTemperature, water 19.5 degree CpH 8.4Specific Conductance 0.275 mS/cmDissolved Oxygen 9.02 mg/LDissolved Oxygen, % Saturation 98.3 %Turbidity 1.11 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 23.9 mg/m^3 0.1Total Phosphorus, TP 0.098 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 9 scorePERCENT OF MAX SCORE 50 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
11:00Dearborn River below confluence with Flat Creek on Dearborn Ranch
Geomorphology Data
Stream Reach Habitat Assessments
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Field Measurements of water chemistry
Lab Results from Field Samples
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
Final Report 33
M12DRBRNR04 Date- 6/17/2003
parameter value unitsBankfull Width 75.00 FtMean Depth 2.60 FtBnkfull X-sect area 195.13 Sq FtWidth/Depth 28.83Max Depth 3.49 FtFlood prone width 238.00 FtEntrenchement Ratio 3.17Water slope 0.0010Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 38.5 mmPercentage of Fines (<2mm) 10.89 %Stream TypeDischarge 202.00 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 85 %Stream Reach Assessment Score (MT adjusted) 91 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 202.00 cfsTemperature, water 17 degree CpHSpecific Conductance mS/cmDissolved Oxygen mg/LDissolved Oxygen, % Saturation %Turbidity NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 12.3 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Lab Results from Field Samples
Geomorphology Data
Stream Reach Assessment Score (MT adjusted)
Stream Reach Habitat Assessments
18;00Dearborn River at Hwy 287
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Macroinvertabrate Habitat Assessment Score
Field Measurements of water chemistry
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Appendix B Dearborn River TPA
34 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 7 6.93 6.93S 1.5 1-2 4 3.96 10.89FG 3 2-4 1 0.99 11.88FG 5 4-6 1 0.99 12.87FG 7 6-8 1 0.99 13.86MG 10 8-12 7 6.93 20.79MG 14 12-16 5 4.95 25.74CG 18 16-22 8 7.92 33.66CG 27 22-32 12 11.88 45.54CG 38.5 32-45 12 11.88 57.43CG 54.5 45-64 15 14.85 72.28SC 77 64-90 12 11.88 84.16SC 109 90-128 8 7.92 92.08MC 154 128-180 0.00 92.08LC 218 180-256 3 2.97 95.05LC 309 256-362 3 2.97 98.02SB 437 362-512 0.00 98.02MB 768 512-1024 2 1.98 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 101 100.00 100.00D50 particle size (mm) 32-45% Fines (<2mm) 10.89
M12DRBRNR04 Date- 6/17/2003 18;00
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
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Appendix B Dearborn River TPA
Final Report 35
Channel Cross Section
0.0
2.0
4.0
6.0
8.0
10.0
12.0
-30.
0
-10.
0
10.0
30.0
50.0
70.0
90.0
110.
0
130.
0
150.
0
170.
0
190.
0
210.
0
230.
0
Station (ft)
Hei
ght (
ft)
ChannelWater SurfaceBankfull ElevationFloodprone Elevation
Parameter Value Units Parameter Value Units0.0010
3.49 feet6.98 feet
625.00 feet 2.60 feetfeet 75.00 feet
110.00 feet 238.00 feet185.00 feet 195.13 ft^211.22 feet ft^27.73 feet 28.834.24 feet 195.13 ft^2
-30.00 feet 3.17208.00 feet
feetfeetfeet% %Degrees degrees% %
ft/sec ft/sec/ftfeetft/secfeet
ft^2Near bank x-sectional area
Near bank stressMean shear stress
tape reading at left bank A nb / A
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress / Mean
Shear stressvelocity at left bank
Surface Protection Surface Protection
Root Density Root DensityBank Angle Bank Angle
Bankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Depth Root Depth/Bank Ht
Left Edge of Floodprone depth Entrenchment RatioRight Edge of Floodprone depth
Rod reading @ Bankfull Depth W/D RatioRod reading @ Floodplain Depth Cross Sectional Area
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull Floodplrone WidthRight Edge of Bankfull
Floodprone HeightMax Depth
Bankfull AreaRod reading @ Thalweg FloodproneArea
Mean DepthBankfull WidthStraightline Distance
SlopeSinuousity
Rod reading @ Downstream Edge of Water 11.07 feetStream Distance
BEHI Calculated ValuesBEHI Field Measures
Long
itudi
nal
Info
rmat
ion Rod reading @ Upstream Edge
of Water 10.47 feet
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MIDDLE FORK DEARBORN RIVER
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Appendix B Dearborn River TPA
Final Report 39
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Appendix B Dearborn River TPA
40 Final Report
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Appendix B Dearborn River TPA
Final Report 41
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Appendix B Dearborn River TPA
42 Final Report
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Appendix B Dearborn River TPA
Final Report 43
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Appendix B Dearborn River TPA
44 Final Report
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Appendix B Dearborn River TPA
Final Report 45
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Appendix B Dearborn River TPA
46 Final Report
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Final Report 47
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48 Final Report
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Final Report 49
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Appendix B Dearborn River TPA
50 Final Report
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Final Report 51
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Final Report 53
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Appendix B Dearborn River TPA
54 Final Report
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Final Report 55
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56 Final Report
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Appendix B Dearborn River TPA
Final Report 57
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Appendix B Dearborn River TPA
58 Final Report
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Appendix B Dearborn River TPA
Final Report 59
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60 Final Report
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Final Report 61
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Appendix B Dearborn River TPA
62 Final Report
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Appendix B Dearborn River TPA
Final Report 63
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64 Final Report
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Final Report 65
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Final Report 67
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Final Report 69
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Final Report 71
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Final Report 73
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Final Report 75
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Final Report 77
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Appendix B Dearborn River TPA
Final Report 79
M12MFDBR01 Date- 7/23/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slope 0.0259Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) %Stream TypeDischarge 0.56 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 96.5 %
2 min25'
parameter value unitsFlow 0.56 cfsTemperature, water 9.86 degree CpH 8.38Specific Conductance 0.241 mS/cmDissolved Oxygen 10.81 mg/LDissolved Oxygen, % Saturation 95.5 %Turbidity 0.46 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.3 mg/m^3 0.1Benthic Chlorophyll a 11.6 mg/m^3 0.1Total Phosphorus, TP 0.033 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite 0.09 mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 16 scorePERCENT OF MAX SCORE 89 %IMPAIRMENT CLASSIFICATION NON IMPAIREDUSE SUPPORT FULL SUPPORT
11:30Middle Fork Dearborn, Upstream near Roger's Pass
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
80 Final Report
M12MFDBR04 Date- 7/23/2003
parameter value unitsBankfull Width 27.00 FtMean Depth 0.65 FtBnkfull X-sect area 17.60 Sq FtWidth/Depth 41.42Max Depth 1.69 FtFlood prone width 123.70 FtEntrenchement Ratio 4.58Water slope 0.0068Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) %Stream Type C4Discharge 5.98 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 100 %Stream Reach Assessment Score (MT adjusted) 99.3 %Macroinvertabrate Habitat Assessment Score 86.9 %
2.75 min40'
parameter value unitsFlow 5.98 cfsTemperature, water 18.59 degree CpH 8.19Specific Conductance 0.297 mS/cmDissolved Oxygen 9.64 mg/LDissolved Oxygen, % Saturation 102.9 %Turbidity 1 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 2.1 mg/m^3 0.1Benthic Chlorophyll a 34.9 mg/m^3 0.1Total Phosphorus, TP 0.031 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 11 scorePERCENT OF MAX SCORE 61 %IMPAIRMENT CLASSIFICATION SLIGHT IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
13:00Middle Fork Dearborn, Below Ingersoll's Rd.
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Macroinvertabrate Data Results
![Page 89: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/89.jpg)
Appendix B Dearborn River TPA
Final Report 81
M12MFDBR02 Date- 7/23/2003
parameter value unitsBankfull Width 34.50 FtMean Depth 2.20 FtBnkfull X-sect area Sq FtWidth/Depth 15.68Max Depth 2.40 FtFlood prone width 72.50 FtEntrenchement Ratio 2.10Water slope 0.0074Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) %Stream Type B4c almost a CDischarge 5.94 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 85 %Stream Reach Assessment Score (MT adjusted) 86.8 %Macroinvertabrate Habitat Assessment Score 82.7 %
1.75 min25'
parameter value unitsFlow 5.94 cfsTemperature, water 20.5 degree CpH 8.27Specific Conductance 0.311 mS/cmDissolved Oxygen 9.23 mg/LDissolved Oxygen, % Saturation 102.8 %Turbidity 1.24 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 1.3 mg/m^3 0.1Benthic Chlorophyll a 14.7 mg/m^3 0.1Total Phosphorus, TP 0.028 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 11 scorePERCENT OF MAX SCORE 61 %IMPAIRMENT CLASSIFICATION SLIGHT IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
14:15Middle Fork Dearborn, Downstream of Hwy 434
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting, threatened
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Field Measurements of water chemistry
Lab Results from Field Samples
Macroinvertabrate Data Results
![Page 90: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/90.jpg)
Appendix B Dearborn River TPA
82 Final Report
Parameter Value Units Parameter Value Units0.0074
2.40 feet4.80 feet
420.00 feet 2.20 feetfeet 34.50 feet
0.00 feet 72.50 feet34.50 feet ft^24.80 feet ft^22.40 feet 15.680.00 feet 0.00 ft^20.00 feet 2.1072.50 feet
feet2.40 feet 0.00
feet% %Degrees degrees% %
ft/sec ft/sec/ftfeetft/secfeet
ft^2M12MFDBR02 Date- 7/23/2003 14:15
Middle Fork Dearborn, Downstream of Hwy 434
BEHI Field Measures BEHI Calculated Values
Long
itudi
nal
Info
rmat
ion
Rod reading @ Upstream Edge of Water 6.08 feetSlopeSinuousity
Rod reading @ Downstream Edge of Water 9.18 feet
Max DepthFloodprone Height
Stream Distance Mean DepthStraightline Distance Bankfull Width
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull Floodplrone WidthRight Edge of Bankfull Bankfull AreaRod reading @ Thalweg FloodproneAreaRod reading @ Bankfull Depth W/D RatioRod reading @ Floodplain Depth Cross Sectional AreaLeft Edge of Floodprone depth Entrenchment RatioRight Edge of Floodprone depth
Root Depth Root Depth/Bank HtBankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Density Root DensityBank Angle Bank AngleSurface Protection Surface Protection
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress /
Mean Shear stressvelocity at left bank
Near bank stressMean shear stress
tape reading at left bank A nb / A
Near bank x-sectional area
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Appendix B Dearborn River TPA
Final Report 83
M12MFDBR01 Date- 6/19/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slope 0.0259Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 15.24 %Stream TypeDischarge 2.40 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 2.40 cfsTemperature, water 10.29 degree CpH 8.4Specific Conductance 0.2 mS/cmDissolved Oxygen 10.25 mg/LDissolved Oxygen, % Saturation 91 %Turbidity 1.97 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.6 mg/m^3 0.1Benthic Chlorophyll a 9.2 mg/m^3 0.1Total Phosphorus, TP 0.005 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite 0.04 mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
15:20Middle Fork Dearborn, Upstream near Roger's Pass
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Appendix B Dearborn River TPA
84 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 14 13.33 13.33S 1.5 1-2 2 1.90 15.24FG 3 2-4 4 3.81 19.05FG 5 4-6 6 5.71 24.76FG 7 6-8 4 3.81 28.57MG 10 8-12 10 9.52 38.10MG 14 12-16 4 3.81 41.90CG 18 16-22 6 5.71 47.62CG 27 22-32 7 6.67 54.29CG 38.5 32-45 6 5.71 60.00CG 54.5 45-64 10 9.52 69.52SC 77 64-90 12 11.43 80.95SC 109 90-128 5 4.76 85.71MC 154 128-180 4 3.81 89.52LC 218 180-256 4 3.81 93.33LC 309 256-362 3 2.86 96.19SB 437 362-512 3 2.86 99.05MB 768 512-1024 1 0.95 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 105 100.00 100.00D50 particle size (mm) 22-32% Fines (<2mm) 15.24
M12MFDBR01 Date- 6/19/2003 15:20Middle Fork Dearborn, Upstream near Roger's Pass
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
![Page 93: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/93.jpg)
Appendix B Dearborn River TPA
Final Report 85
M12MFDBR04 Date- 6/19/2003
parameter value unitsBankfull Width 27.00 FtMean Depth 0.65 FtBnkfull X-sect area 17.60 Sq FtWidth/Depth 41.42Max Depth 1.69 FtFlood prone width 123.70 FtEntrenchement Ratio 4.58Water slope 0.0068Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 17.59 %Stream TypeDischarge 13.58 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 100 %Stream Reach Assessment Score (MT adjusted) 99.3 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 13.58 cfsTemperature, water 15.69 degree CpH 8.11Specific Conductance 0.246 mS/cmDissolved Oxygen 8.88 mg/LDissolved Oxygen, % Saturation 89.5 %Turbidity 2.85 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.6 mg/m^3 0.1Benthic Chlorophyll a 16.8 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
12:30Middle Fork Dearborn, Below Ingersoll's Rd.
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Appendix B Dearborn River TPA
86 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 19 17.59 17.59S 1.5 1-2 0.00 17.59FG 3 2-4 3 2.78 20.37FG 5 4-6 7 6.48 26.85FG 7 6-8 0.00 26.85MG 10 8-12 5 4.63 31.48MG 14 12-16 0.00 31.48CG 18 16-22 7 6.48 37.96CG 27 22-32 13 12.04 50.00CG 38.5 32-45 12 11.11 61.11CG 54.5 45-64 11 10.19 71.30SC 77 64-90 14 12.96 84.26SC 109 90-128 6 5.56 89.81MC 154 128-180 6 5.56 95.37LC 218 180-256 0.00 95.37LC 309 256-362 1 0.93 96.30SB 437 362-512 3 2.78 99.07MB 768 512-1024 1 0.93 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 108 100.00 100.00D50 particle size (mm) 22-32% Fines (<2mm) 17.59
M12MFDBR04 Date- 6/19/2003 12:30Middle Fork Dearborn, Below Ingersoll's Rd.
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
![Page 95: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/95.jpg)
Appendix B Dearborn River TPA
Final Report 87
Channel Cross Section
0.0
2.0
4.0
6.0
8.0
10.0
12.0
0.0
20.0
40.0
60.0
80.0
100.
0
120.
0
140.
0
160.
0
Station (ft)
Hei
ght (
ft)ChannelWater SurfaceBankfull ElevationFloodprone Elevation
Parameter Value Units Parameter Value Units0.0068
1.69 feet3.38 feet
263.50 feet 0.65 feetfeet 27.00 feet
21.70 feet 123.70 feet48.70 feet 17.60 ft^28.35 feet ft^26.66 feet 41.424.97 feet 17.60 ft^214.30 feet 4.58
138.00 feetfeetfeetfeet% %Degrees degrees% %
ft/sec ft/sec/ftfeetft/secfeet
ft^2Near bank x-sectional area
Near bank stressMean shear stress
tape reading at left bank A nb / A
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress /
Mean Shear stressvelocity at left bank
Surface Protection Surface Protection
Root Density Root DensityBank Angle Bank Angle
Bankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Depth Root Depth/Bank Ht
Entrenchment RatioRight Edge of Floodprone depth
W/D RatioRod reading @ Floodplain Depth Cross Sectional Area
Floodplrone WidthRight Edge of Bankfull Bankfull AreaRod reading @ Thalweg FloodproneArea
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull
Rod reading @ Bankfull Depth
Left Edge of Floodprone depth
Mean DepthStraightline Distance Bankfull Width
SinuousityRod reading @ Downstream Edge of Water 6.40 feet
Max DepthFloodprone Height
BEHI Calculated Values
Long
itudi
nal
Info
rmat
ion Rod reading @ Upstream Edge
of Water 4.60 feetSlope
Stream Distance
BEHI Field Measures
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Appendix B Dearborn River TPA
88 Final Report
M12MFDBR02 Date- 6/19/2003
parameter value unitsBankfull Width 34.50 FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth 2.40 FtFlood prone width 72.50 FtEntrenchement Ratio 2.10Water slope 0.0074Channel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) 17.36 %Stream TypeDischarge 13.72 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 85 %Stream Reach Assessment Score (MT adjusted) 86.8 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 13.72 cfsTemperature, water 13.35 degree CpH 8Specific Conductance 0.208 mS/cmDissolved Oxygen 9.39 mg/LDissolved Oxygen, % Saturation 90.2 %Turbidity 2.8 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.6 mg/m^3 0.1Benthic Chlorophyll a 22.2 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Lab Results from Field Samples
Field Measurements of water chemistry
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting, threatened
Stream Reach Habitat Assessments
9:30Middle Fork Dearborn, Downstream of Hwy 434
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Appendix B Dearborn River TPA
Final Report 89
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 14 11.57 11.57S 1.5 1-2 7 5.79 17.36FG 3 2-4 5 4.13 21.49FG 5 4-6 3 2.48 23.97FG 7 6-8 3 2.48 26.45MG 10 8-12 8 6.61 33.06MG 14 12-16 9 7.44 40.50CG 18 16-22 8 6.61 47.11CG 27 22-32 19 15.70 62.81CG 38.5 32-45 10 8.26 71.07CG 54.5 45-64 11 9.09 80.17SC 77 64-90 12 9.92 90.08SC 109 90-128 6 4.96 95.04MC 154 128-180 4 3.31 98.35LC 218 180-256 2 1.65 100.00LC 309 256-362 0.00 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 121 100.00 100.00D50 particle size (mm)% Fines (<2mm) 17.36
M12MFDBR02 Date- 6/19/2003 9:30Middle Fork Dearborn, Downstream of Hwy 434
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
![Page 98: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/98.jpg)
Appendix B Dearborn River TPA
90 Final Report
Parameter Value Units Parameter Value Units0.0074
2.40 feet4.80 feet
420.00 feet feetfeet 34.50 feet
0.00 feet 72.50 feet34.50 feet ft^24.80 feet ft^22.40 feet0.00 feet 0.00 ft^20.00 feet 2.10
72.50 feetfeetfeetfeet% %Degrees degrees% %
ft/sec ft/sec/ftfeetft/secfeet
ft^2Near bank x-sectional area
Near bank stressMean shear stress
tape reading at left bank A nb / A
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress /
Mean Shear stressvelocity at left bank
Surface Protection Surface Protection
Root Density Root DensityBank Angle Bank Angle
Bankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Depth Root Depth/Bank Ht
Left Edge of Floodprone depth Entrenchment RatioRight Edge of Floodprone depth
W/D RatioRod reading @ Floodplain Depth Cross Sectional Area
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull Floodplrone WidthRight Edge of Bankfull Bankfull AreaRod reading @ Thalweg FloodproneAreaRod reading @ Bankfull Depth
Stream Distance Mean DepthStraightline Distance Bankfull Width
SinuousityRod reading @ Downstream Edge of Water 9.18 feet
Max DepthFloodprone Height
BEHI Field Measures BEHI Calculated Values
Long
itudi
nal
Info
rmat
ion Rod reading @ Upstream Edge
of Water 6.08 feetSlope
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SOUTH FORK DEARBORN RIVER
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Appendix B Dearborn River TPA
Final Report 93
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Appendix B Dearborn River TPA
94 Final Report
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Appendix B Dearborn River TPA
Final Report 95
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Appendix B Dearborn River TPA
96 Final Report
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Appendix B Dearborn River TPA
Final Report 97
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Appendix B Dearborn River TPA
98 Final Report
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Appendix B Dearborn River TPA
Final Report 99
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Appendix B Dearborn River TPA
100 Final Report
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Appendix B Dearborn River TPA
Final Report 101
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Appendix B Dearborn River TPA
102 Final Report
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Appendix B Dearborn River TPA
Final Report 103
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Appendix B Dearborn River TPA
104 Final Report
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Appendix B Dearborn River TPA
Final Report 105
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Appendix B Dearborn River TPA
106 Final Report
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Appendix B Dearborn River TPA
Final Report 107
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Appendix B Dearborn River TPA
108 Final Report
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Appendix B Dearborn River TPA
Final Report 109
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Appendix B Dearborn River TPA
110 Final Report
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Appendix B Dearborn River TPA
Final Report 111
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Appendix B Dearborn River TPA
112 Final Report
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Appendix B Dearborn River TPA
Final Report 113
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Appendix B Dearborn River TPA
114 Final Report
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Appendix B Dearborn River TPA
Final Report 115
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Appendix B Dearborn River TPA
116 Final Report
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Appendix B Dearborn River TPA
Final Report 117
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Appendix B Dearborn River TPA
118 Final Report
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Appendix B Dearborn River TPA
Final Report 119
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Appendix B Dearborn River TPA
120 Final Report
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Appendix B Dearborn River TPA
Final Report 121
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Appendix B Dearborn River TPA
122 Final Report
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Appendix B Dearborn River TPA
Final Report 123
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Appendix B Dearborn River TPA
124 Final Report
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Appendix B Dearborn River TPA
Final Report 125
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Appendix B Dearborn River TPA
126 Final Report
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Appendix B Dearborn River TPA
Final Report 127
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Appendix B Dearborn River TPA
128 Final Report
M12SFDBR02 Date- 7/22/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 25.64 %Stream TypeDischarge 1.85 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 84.2 %
1.5 min35'
parameter value unitsFlow 1.85 cfsTemperature, water 24.16 degree CpH 8.43Specific Conductance 0.316 mS/cmDissolved Oxygen 8.67 mg/LDissolved Oxygen, % Saturation 103.2 %Turbidity 0.8 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 1.2 0.1Benthic Chlorophyll a 25 0.1Total Phosphorus, TP 0.019 0.004Total Kiejdahl Notrogen, TKN ND 0.5Nitrate + Nitrite ND 0.01Total Nitrogen, TN
parameter value unitsTOTAL SCORE (max =18) 13 scorePERCENT OF MAX SCORE 72 %IMPAIRMENT CLASSIFICATION SLIGHT IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
15:45South Fork of Dearborn at Thompsons Ranch, above Hwy 434
Geomorphology Data
Stream Reach Habitat Assessments
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Field Measurements of water chemistry
Lab Results from Field Samples
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
Final Report 129
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 20 17.09 17.09S 1.5 1-2 10 8.55 25.64FG 3 2-4 8 6.84 32.48FG 5 4-6 3 2.56 35.04FG 7 6-8 2 1.71 36.75MG 10 8-12 2 1.71 38.46MG 14 12-16 4 3.42 41.88CG 18 16-22 3 2.56 44.44CG 27 22-32 11 9.40 53.85CG 38.5 32-45 11 9.40 63.25CG 54.5 45-64 14 11.97 75.21SC 77 64-90 10 8.55 83.76SC 109 90-128 7 5.98 89.74MC 154 128-180 6 5.13 94.87LC 218 180-256 4 3.42 98.29LC 309 256-362 2 1.71 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 117 100.00 100.00D50 particle size (mm)% Fines (<2mm) 25.64
M12SFDBR02 Date- 7/22/2003 15:45South Fork of Dearborn at Thompsons Ranch, above Hwy 434
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
6
16-2
222
-32
32-4
545
-64
64-9
090
-128
128-
180
180-
256
256-
362
362-
512
512-
1024
1024
-204
8>2
048
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
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Appendix B Dearborn River TPA
130 Final Report
M12SFDBR04 Date- 7/23/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 18 mmPercentage of Fines (<2mm) %Stream TypeDischarge 1.15 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 98.4 %Stream Reach Assessment Score (MT adjusted) 97.1 %Macroinvertabrate Habitat Assessment Score 84.6 %
2 min35'
parameter value unitsFlow 1.15 cfsTemperature, water 16.72 degree CpH 8.4Specific Conductance 0.319 mS/cmDissolved Oxygen 10.08 mg/LDissolved Oxygen, % Saturation 104 %Turbidity 1.4 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 15.4 mg/m^3 0.1Total Phosphorus, TP 0.039 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 13 scorePERCENT OF MAX SCORE 72 %IMPAIRMENT CLASSIFICATION SLIGHT IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
9:45South Fork Dearborn, at Confluence with Dearborn River
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
Final Report 131
M12SFDBR01 Date- 7/22/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) %Stream TypeDischarge 4.84 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 100 %Stream Reach Assessment Score (MT adjusted) 99.3 %Macroinvertabrate Habitat Assessment Score 89.6 %
2 min50'
parameter value unitsFlow 4.84 cfsTemperature, water 18.55 degree CpH 8.39Specific Conductance 0.274 mS/cmDissolved Oxygen 9.36 mg/LDissolved Oxygen, % Saturation 100 %Turbidity 1.28 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 20.2 mg/m^3 0.1Total Phosphorus, TP 0.078 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 10 scorePERCENT OF MAX SCORE 56 %IMPAIRMENT CLASSIFICATION SLIGHT IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
14:00South Fork Dearborn, Upstream site on Blacktail Ranch
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Macroinvertabrate Data Results
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Appendix B Dearborn River TPA
132 Final Report
M12SFDBR01 Date- 6/17/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 9.00 %Stream TypeDischarge 13.98 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 100 %Stream Reach Assessment Score (MT adjusted) 99.3 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 13.98 cfsTemperature, water degree CpHSpecific Conductance mS/cmDissolved Oxygen mg/LDissolved Oxygen, % Saturation %Turbidity NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.9 mg/m^3 0.1Benthic Chlorophyll a 16.5 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
11:15South Fork Dearborn, Upstream site on Blacktail Ranch
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Appendix B Dearborn River TPA
Final Report 133
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 5 5.00 5.00S 1.5 1-2 4 4.00 9.00FG 3 2-4 10 10.00 19.00FG 5 4-6 3 3.00 22.00FG 7 6-8 5 5.00 27.00MG 10 8-12 4 4.00 31.00MG 14 12-16 8 8.00 39.00CG 18 16-22 10 10.00 49.00CG 27 22-32 9 9.00 58.00CG 38.5 32-45 10 10.00 68.00CG 54.5 45-64 8 8.00 76.00SC 77 64-90 4 4.00 80.00SC 109 90-128 3 3.00 83.00MC 154 128-180 3 3.00 86.00LC 218 180-256 4 4.00 90.00LC 309 256-362 4 4.00 94.00SB 437 362-512 3 3.00 97.00MB 768 512-1024 2 2.00 99.00LB 1536 1024-2048 1 1.00 100.00BR >2048 0.00 100.00
TOTALS 100 100.00 100.00D50 particle size (mm) 22-32% Fines (<2mm) 9.00
M12SFDBR01 Date- 6/17/2003 11:15South Fork Dearborn, Upstream site on Blacktail Ranch
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
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Appendix B Dearborn River TPA
134 Final Report
M12SFDBR04 Date- 6/17/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 18 mmPercentage of Fines (<2mm) 10.40 %Stream TypeDischarge 8.85 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 98.4 %Stream Reach Assessment Score (MT adjusted) 97.1 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 8.85 cfsTemperature, water degree CpHSpecific Conductance mS/cmDissolved Oxygen mg/LDissolved Oxygen, % Saturation %Turbidity NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 27.6 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN 0.5 mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS) Non Impaired, Fully Supporting
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
15:25South Fork Dearborn, at Confluence with Dearborn River
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Appendix B Dearborn River TPA
Final Report 135
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 4 3.20 3.20S 1.5 1-2 9 7.20 10.40FG 3 2-4 8 6.40 16.80FG 5 4-6 5 4.00 20.80FG 7 6-8 7 5.60 26.40MG 10 8-12 10 8.00 34.40MG 14 12-16 14 11.20 45.60CG 18 16-22 13 10.40 56.00CG 27 22-32 15 12.00 68.00CG 38.5 32-45 9 7.20 75.20CG 54.5 45-64 12 9.60 84.80SC 77 64-90 7 5.60 90.40SC 109 90-128 6 4.80 95.20MC 154 128-180 1 0.80 96.00LC 218 180-256 1 0.80 96.80LC 309 256-362 1 0.80 97.60SB 437 362-512 3 2.40 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 125 100.00 100.00D50 particle size (mm) 16-22% Fines (<2mm) 10.40
M12SFDBR04 Date- 6/17/2003 15:25South Fork Dearborn, at Confluence with Dearborn River
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
![Page 144: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/144.jpg)
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FLAT CREEK
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Appendix B Dearborn River TPA
Final Report 139
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Appendix B Dearborn River TPA
140 Final Report
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Appendix B Dearborn River TPA
Final Report 141
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Appendix B Dearborn River TPA
142 Final Report
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Appendix B Dearborn River TPA
Final Report 143
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Appendix B Dearborn River TPA
144 Final Report
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Appendix B Dearborn River TPA
Final Report 145
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Appendix B Dearborn River TPA
146 Final Report
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Appendix B Dearborn River TPA
Final Report 147
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Appendix B Dearborn River TPA
148 Final Report
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Appendix B Dearborn River TPA
Final Report 149
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150 Final Report
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Appendix B Dearborn River TPA
Final Report 151
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152 Final Report
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Appendix B Dearborn River TPA
Final Report 153
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154 Final Report
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Appendix B Dearborn River TPA
Final Report 155
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Appendix B Dearborn River TPA
156 Final Report
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Appendix B Dearborn River TPA
Final Report 157
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Appendix B Dearborn River TPA
158 Final Report
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Appendix B Dearborn River TPA
Final Report 159
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Appendix B Dearborn River TPA
160 Final Report
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Appendix B Dearborn River TPA
Final Report 161
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Appendix B Dearborn River TPA
162 Final Report
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Appendix B Dearborn River TPA
Final Report 163
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Appendix B Dearborn River TPA
164 Final Report
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Appendix B Dearborn River TPA
Final Report 165
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166 Final Report
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Appendix B Dearborn River TPA
Final Report 167
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Appendix B Dearborn River TPA
168 Final Report
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Appendix B Dearborn River TPA
Final Report 169
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170 Final Report
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Appendix B Dearborn River TPA
Final Report 171
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172 Final Report
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Appendix B Dearborn River TPA
Final Report 173
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Appendix B Dearborn River TPA
174 Final Report
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Appendix B Dearborn River TPA
Final Report 175
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Appendix B Dearborn River TPA
176 Final Report
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Appendix B Dearborn River TPA
Final Report 177
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Appendix B Dearborn River TPA
178 Final Report
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Appendix B Dearborn River TPA
Final Report 179
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Appendix B Dearborn River TPA
Final Report 181
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Appendix B Dearborn River TPA
182 Final Report
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Appendix B Dearborn River TPA
Final Report 183
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Appendix B Dearborn River TPA
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Appendix B Dearborn River TPA
Final Report 185
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Appendix B Dearborn River TPA
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Appendix B Dearborn River TPA
Final Report 187
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Appendix B Dearborn River TPA
188 Final Report
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Appendix B Dearborn River TPA
Final Report 189
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Appendix B Dearborn River TPA
190 Final Report
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Appendix B Dearborn River TPA
Final Report 191
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192 Final Report
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Appendix B Dearborn River TPA
Final Report 193
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Appendix B Dearborn River TPA
194 Final Report
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Appendix B Dearborn River TPA
Final Report 195
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196 Final Report
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Appendix B Dearborn River TPA
Final Report 197
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Appendix B Dearborn River TPA
198 Final Report
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Appendix B Dearborn River TPA
Final Report 199
M12FLATC06 Date- 6/18/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) %Stream TypeDischarge 76.22 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 76.22 cfsTemperature, water 13.12 degree CpH 8.43Specific Conductance 0.227 mS/cmDissolved Oxygen 9.47 mg/LDissolved Oxygen, % Saturation 90 %Turbidity 1 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 2.1 mg/m^3 0.1Benthic Chlorophyll a 30.7 mg/m^3 0.1Total Phosphorus, TP 0.009 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
17:20Flat Creek, Diversion from the Dearborn River
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Appendix B Dearborn River TPA
200 Final Report
M12FLATC02 Date- 6/18/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) %Stream TypeDischarge cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow cfsTemperature, water degree CpHSpecific Conductance mS/cmDissolved Oxygen mg/LDissolved Oxygen, % Saturation %Turbidity 7.29 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 8.3 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
20:30Flat Creek on Flat Creek Rd, just above Culvert
![Page 209: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/209.jpg)
Appendix B Dearborn River TPA
Final Report 201
M12FLATC05 Date- 6/18/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 13.16 %Stream TypeDischarge 30.84 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 30.84 cfsTemperature, water 21.96 degree CpH 8.69Specific Conductance 0.29 mS/cmDissolved Oxygen 9.06 mg/LDissolved Oxygen, % Saturation 103.6 %Turbidity 10.8 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 31 mg/m^3 0.1Total Phosphorus, TP 0.012 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 8 scorePERCENT OF MAX SCORE 44 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Macroinvertabrate Data Results
Lab Results from Field Samples
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Geomorphology Data
17:00Flat Creek DS of Milford Colony
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Field Measurements of water chemistry
Stream Reach Habitat Assessments
![Page 210: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/210.jpg)
Appendix B Dearborn River TPA
202 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 15 13.16 13.16S 1.5 1-2 0.00 13.16FG 3 2-4 2 1.75 14.91FG 5 4-6 3 2.63 17.54FG 7 6-8 0.00 17.54MG 10 8-12 13 11.40 28.95MG 14 12-16 0.00 28.95CG 18 16-22 20 17.54 46.49CG 27 22-32 22 19.30 65.79CG 38.5 32-45 18 15.79 81.58CG 54.5 45-64 10 8.77 90.35SC 77 64-90 7 6.14 96.49SC 109 90-128 2 1.75 98.25MC 154 128-180 1 0.88 99.12LC 218 180-256 0.00 99.12LC 309 256-362 1 0.88 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 114 100.00 100.00D50 particle size (mm) 22-32% Fines (<2mm) 13.16
M12FLATC05 Date- 6/18/2003 17:00Flat Creek DS of Milford Colony
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
6
16-2
2
22-3
2
32-4
5
45-6
4
64-9
0
90-1
28
128-
180
180-
256
256-
362
362-
512
512-
1024
1024
-204
8
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
![Page 211: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/211.jpg)
Appendix B Dearborn River TPA
Final Report 203
M12FLATC08 Date- 6/18/2003
parameter value unitsBankfull Width 33.00 FtMean Depth 3.67 FtBnkfull X-sect area 120.96 Sq FtWidth/Depth 9.00Max Depth 5.49 FtFlood prone width 100.00 FtEntrenchement Ratio 3.03Water slope 0.0017Channel Sinuosity 2.59BEHI Index Score (adjusted) 29.00BEHI RatingChannel D50 10 mmPercentage of Fines (<2mm) 15.79 %Stream TypeDischarge 17.35 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 94.8 %Stream Reach Assessment Score (MT adjusted) 94.1 %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 17.35 cfsTemperature, water 21.51 degree CpH 8.44Specific Conductance 0.477 mS/cmDissolved Oxygen 11.3 mg/LDissolved Oxygen, % Saturation 126.6 %Turbidity 7.39 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.9 mg/m^3 0.1Benthic Chlorophyll a 12.9 mg/m^3 0.1Total Phosphorus, TP 0.061 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 6 scorePERCENT OF MAX SCORE 33 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
OVERALL SITE RATINGSNon Impaired, Fully
SupportingStream Reach Assessment Score (NRCS)
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Flat Creek below Birdtail Rd on Dearborn Ranch13:30
Macroinvertabrate Data Results
Field Measurements of water chemistry
Lab Results from Field Samples
Moderate
Stream Reach Habitat Assessments
Geomorphology Data
![Page 212: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/212.jpg)
Appendix B Dearborn River TPA
204 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 14 12.28 12.28S 1.5 1-2 4 3.51 15.79FG 3 2-4 9 7.89 23.68FG 5 4-6 20 17.54 41.23FG 7 6-8 6 5.26 46.49MG 10 8-12 21 18.42 64.91MG 14 12-16 5 4.39 69.30CG 18 16-22 13 11.40 80.70CG 27 22-32 11 9.65 90.35CG 38.5 32-45 8 7.02 97.37CG 54.5 45-64 3 2.63 100.00SC 77 64-90 0.00 100.00SC 109 90-128 0.00 100.00MC 154 128-180 0.00 100.00LC 218 180-256 0.00 100.00LC 309 256-362 0.00 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 114 100.00 100.00D50 particle size (mm) 8-12% Fines (<2mm) 15.79
M12FLATC08 Date- 6/18/2003 13:30Flat Creek below Birdtail Rd on Dearborn Ranch
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
![Page 213: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/213.jpg)
Appendix B Dearborn River TPA
Final Report 205
Channel Cross Section
0.0
2.0
4.0
6.0
8.0
10.0
12.0
0.0
20.0
40.0
60.0
80.0
100.0
120.0
Station (ft)
Heig
ht (f
t)
ChannelWater SurfaceBankfull ElevationFloodprone Elevation
Parameter Value Units Parameter Value Units0.00172.595.49 feet10.97 feet
1340.00 feet 3.67 feet517.00 feet 33.00 feet47.00 feet 100.00 feet80.00 feet 120.96 ft^216.62 feet ft^211.13 feet 9.005.65 feet 120.96 ft^210.00 feet 3.03110.00 feet
11.00 feet5.88 feet 1.871.00 feet 0.09
25.00 % 25 %70.00 Degrees 70 degrees50.00 % 50 %
0.79 ft/sec 0.06 ft/sec/ft63.00 feet
0.00 ft/sec49.00 feet
ft^2Mean shear stressNear bank x-sectional areaN
ear B
ank
Stre
ss
Info
rmat
ion
Velocity Gradient
A nb / A
Tape reading at thalwegvelocity at left banktape reading at left bankNear bank stress
Entrenchment Ratio
Mean DepthBankfull Width
Long
itudi
nal
Info
rmat
ion
feet
feet
SlopeSinuousity
Floodprone Height
Straightline DistanceStream Distance
Rod reading @ Upstream Edge of WaterRod reading @ Downstream Edge of Water
12.03
14.25
Cro
ss-S
ectio
nal
Info
rmat
ion
Cross Sectional AreaRod reading @ Bankfull DepthRod reading @ Floodplain Depth
Left Edge of Bankfull Floodplrone WidthBankfull Area
Root Depth
FloodproneAreaW/D Ratio
Right Edge of Floodprone depthLeft Edge of Floodprone depth
Right Edge of BankfullRod reading @ Thalweg
Root DensityBank Angle
Max Depth
Bankfull Height Bank Ht/Bankfull Ht
Root DensityBank Angle
BEHI Field Measures BEHI Calculated Values
Bank Height
BEH
I Inf
orm
atio
n
Near Bank stress / Mean Shear stress
Surface Protection Surface Protection
Root Depth/Bank Ht
Velocity at thalweg
![Page 214: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/214.jpg)
Appendix B Dearborn River TPA
206 Final Report
6.008.006.005.004.0029.0
29.0
Possible Adjustment FactorsBank Materials
Cobble decrease the category by one unless the mixture of Sand/Gravel is over 50%
Gravel- adjust the values up 5-10 pts depending on sand composition
Bedrock is always Very LowBoulders are always Low
Sand- adjust the values up 10 ptssilt/clay- no adjustment
Stratification5-10 pts upward depending on position of unstable layers relative to bankfull stage
BEHI Associated Index Value (from form)
Bank AngleSurface Protection
Total Index Value
Bank Ht/Bankfull HtRoot Depth/Bank Ht
Total adjusted Index Value:Bank Erosion Potential Rating: Moderate
Numeric Adjustments:
Bank Stratification Index adjustment:
Bank Materials Index adjustment:
Root Density
![Page 215: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/215.jpg)
Appendix B Dearborn River TPA
Final Report 207
M12FLATC04 Date- 6/18/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 154 mmPercentage of Fines (<2mm) 2.80 %Stream TypeDischarge 19.51 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 19.51 cfsTemperature, water 18.51 degree CpH 8.37Specific Conductance 0.401 mS/cmDissolved Oxygen 8.95 mg/LDissolved Oxygen, % Saturation 95.7 %Turbidity NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 16.6 mg/m^3 0.1Total Phosphorus, TP 0.034 mg/L 0.004Total Kiejdahl Notrogen, TKN 0.8 mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 5 scorePERCENT OF MAX SCORE 28 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Macroinvertabrate Data Results
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Stream Reach Assessment Score (NRCS)
9:15Flat Creek at confluence with Dearborn River on Dearborn Ranch
Geomorphology Data
Field Measurements of water chemistry
Lab Results from Field Samples
OVERALL SITE RATINGS
Stream Reach Habitat Assessments
![Page 216: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/216.jpg)
Appendix B Dearborn River TPA
208 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 4 2.80 2.80S 1.5 1-2 0.00 2.80FG 3 2-4 11 7.69 10.49FG 5 4-6 13 9.09 19.58FG 7 6-8 1 0.70 20.28MG 10 8-12 7 4.90 25.17MG 14 12-16 1 0.70 25.87CG 18 16-22 1 0.70 26.57CG 27 22-32 5 3.50 30.07CG 38.5 32-45 7 4.90 34.97CG 54.5 45-64 11 7.69 42.66SC 77 64-90 5 3.50 46.15SC 109 90-128 3 2.10 48.25MC 154 128-180 4 2.80 51.05LC 218 180-256 5 3.50 54.55LC 309 256-362 4 2.80 57.34SB 437 362-512 0.00 57.34MB 768 512-1024 3 2.10 59.44LB 1536 1024-2048 2 1.40 60.84BR >2048 56 39.16 100.00
TOTALS 143 100.00 100.00D50 particle size (mm) 128-180% Fines (<2mm) 2.80
M12FLATC04 Date- 6/18/2003Flat Creek at confluence with Dearborn River on Dearborn Ranch
Pebble Count Data
9:15
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
![Page 217: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/217.jpg)
Appendix B Dearborn River TPA
Final Report 209
M12FLATC06 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) %Stream TypeDischarge 57.91 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 57.91 cfsTemperature, water 14.7 degree CpH 8.46Specific Conductance 0.263 mS/cmDissolved Oxygen 9.67 mg/LDissolved Oxygen, % Saturation 95.4 %Turbidity 0.46 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 1.8 mg/m^3 0.1Benthic Chlorophyll a 5.7 mg/m^3 0.1Total Phosphorus, TP ND mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite 0.056 mg/L 0.01Total Nitrogen, TN mg/L
16:45Flat Creek, Diversion from the Dearborn River
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
![Page 218: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/218.jpg)
Appendix B Dearborn River TPA
210 Final Report
M12FLATC02 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 mmPercentage of Fines (<2mm) %Stream TypeDischarge 34.47 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
parameter value unitsFlow 34.47 cfsTemperature, water 15.11 degree CpH 8.5Specific Conductance 0.259 mS/cmDissolved Oxygen 9.51 mg/LDissolved Oxygen, % Saturation 94.6 %Turbidity 3.55 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 3.6 mg/m^3 0.1Benthic Chlorophyll a 19.2 mg/m^3 0.1Total Phosphorus, TP 0.069 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
18:00Flat Creek on Flat Creek Rd, just above Culvert
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Stream Reach Habitat Assessments
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
![Page 219: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/219.jpg)
Appendix B Dearborn River TPA
Final Report 211
M12FLATC05 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 13.16 %Stream TypeDischarge 13.44 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 80 %
3 min35'
parameter value unitsFlow 13.44 cfsTemperature, water 17.68 degree CpH 8.32Specific Conductance 0.273 mS/cmDissolved Oxygen 9.14 mg/LDissolved Oxygen, % Saturation 96 %Turbidity 10.45 NTU
parameter value units RLTotal Suspended Solids, TSS 14 mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS 14 mg/L 10Water Column Chlorophyll a 2.1 mg/m^3 0.1Benthic Chlorophyll a 22.2 mg/m^3 0.1Total Phosphorus, TP 0.069 mg/L 0.004Total Kiejdahl Notrogen, TKN 0.6 mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 8 scorePERCENT OF MAX SCORE 44 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Stream Reach Habitat Assessments
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Field Measurements of water chemistry
13:30Flat Creek DS of Milford Colony
Geomorphology Data
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Lab Results from Field Samples
Macroinvertabrate Data Results
![Page 220: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/220.jpg)
Appendix B Dearborn River TPA
212 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 15 13.16 13.16S 1.5 1-2 0.00 13.16FG 3 2-4 2 1.75 14.91FG 5 4-6 3 2.63 17.54FG 7 6-8 0.00 17.54MG 10 8-12 13 11.40 28.95MG 14 12-16 0.00 28.95CG 18 16-22 20 17.54 46.49CG 27 22-32 22 19.30 65.79CG 38.5 32-45 18 15.79 81.58CG 54.5 45-64 10 8.77 90.35SC 77 64-90 7 6.14 96.49SC 109 90-128 2 1.75 98.25MC 154 128-180 1 0.88 99.12LC 218 180-256 0.00 99.12LC 309 256-362 1 0.88 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 114 100.00 100.00D50 particle size (mm) 22-32% Fines (<2mm) 13.16
M12FLATC05 Date- 7/24/2003 13:30Flat Creek DS of Milford Colony
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
6
16-2
2
22-3
2
32-4
5
45-6
4
64-9
0
90-1
28
128-
180
180-
256
256-
362
362-
512
512-
1024
1024
-204
8
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
![Page 221: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/221.jpg)
Appendix B Dearborn River TPA
Final Report 213
M12FLATC03 Date- 7/22/2003
parameter value unitsBankfull Width 23.00 FtMean Depth 2.15 FtBnkfull X-sect area 49.39 Sq FtWidth/Depth 10.71Max Depth 3.15 FtFlood prone width 63.00 FtEntrenchement Ratio 2.74Water slope 0.0046Channel Sinuosity 1.23BEHI Index Score (adjusted) 30.10BEHI RatingChannel D50 27 mmPercentage of Fines (<2mm) 31.97 %Stream Type C4 borderline E4, just needs more sinuouDischarge 13.42 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score %
1.58 min30'
parameter value unitsFlow 13.42 cfsTemperature, water 18.32 degree CpH 8.01Specific Conductance 0.313 mS/cmDissolved Oxygen 9.83 mg/LDissolved Oxygen, % Saturation 104.3 %Turbidity 10.14 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 2.4 0.1Benthic Chlorophyll a 31.6 0.1Total Phosphorus, TP 0.025 0.004Total Kiejdahl Notrogen, TKN ND 0.5Nitrate + Nitrite ND 0.01Total Nitrogen, TN
parameter value unitsTOTAL SCORE (max =18) 5 scorePERCENT OF MAX SCORE 28 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Macroinvertabrate Data Results
Lab Results from Field Samples
Field Measurements of water chemistry
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Stream Reach Habitat Assessments
OVERALL SITE RATINGS
Stream Reach Assessment Score (NRCS)
Geomorphology Data
MDDERATE-HIGH
9:45Flat Creek Upstream of Hwy 200, on Dearborn Ranch property
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Appendix B Dearborn River TPA
214 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 27 22.13 22.13S 1.5 1-2 12 9.84 31.97FG 3 2-4 0.00 31.97FG 5 4-6 3 2.46 34.43FG 7 6-8 0.00 34.43MG 10 8-12 3 2.46 36.89MG 14 12-16 4 3.28 40.16CG 18 16-22 4 3.28 43.44CG 27 22-32 9 7.38 50.82CG 38.5 32-45 16 13.11 63.93CG 54.5 45-64 16 13.11 77.05SC 77 64-90 10 8.20 85.25SC 109 90-128 11 9.02 94.26MC 154 128-180 4 3.28 97.54LC 218 180-256 1 0.82 98.36LC 309 256-362 2 1.64 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 122 100.00 100.00D50 particle size (mm) 27% Fines (<2mm) 31.97
M12FLATC03 Date- 7/22/2003 9:45Flat Creek Upstream of Hwy 200, on Dearborn Ranch property
Pebble Count Data
Channel Cross Section
0.0
2.0
4.0
6.0
8.0
10.0
12.0
0.0
20.0
40.0
60.0
80.0
100.
0
120.
0
140.
0
Station (ft)
Hei
ght (
ft)
ChannelWater SurfaceBankfull ElevationFloodprone Elevation
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Appendix B Dearborn River TPA
Final Report 215
Parameter Value Units Parameter Value Units0.00461.233.15 feet6.30 feet
467.50 feet 2.15 feet381.00 feet 23.00 feet83.00 feet 63.00 feet
106.00 feet 49.39 ft^213.60 feet ft^210.45 feet 10.717.30 feet 49.39 ft^255.00 feet 2.74
118.00 feet4.00 feet2.82 feet 1.420.50 feet 0.13
20.00 % 20 %40.00 Degrees 40 degrees80.00 % 80 %
ft/sec ft/sec/ftfeetft/secfeet
ft^2Near bank x-sectional area
Near bank stressMean shear stress
tape reading at left bank A nb / A
Nea
r Ban
k St
ress
In
form
atio
n
Velocity at thalweg Velocity GradientTape reading at thalweg Near Bank stress /
Mean Shear stressvelocity at left bank
Surface Protection Surface Protection
Root Density Root DensityBank Angle Bank Angle
Bankfull Height Bank Ht/Bankfull Ht
BEH
I Inf
orm
atio
n Bank Height
Root Depth Root Depth/Bank Ht
Entrenchment RatioRight Edge of Floodprone depth
W/D RatioRod reading @ Floodplain Depth Cross Sectional Area
Floodplrone WidthRight Edge of Bankfull Bankfull AreaRod reading @ Thalweg FloodproneArea
Cro
ss-S
ectio
nal
Info
rmat
ion
Left Edge of Bankfull
Rod reading @ Bankfull Depth
Left Edge of Floodprone depth
Mean DepthStraightline Distance Bankfull WidthStream Distance
feetMax DepthFloodprone Height
Rod reading @ Downstream Edge of Water 13.05
feetSlopeSinuousity
Long
itudi
nal
Info
rmat
ion Rod reading @ Upstream Edge
of Water 10.92
BEHI Field Measures BEHI Calculated Values
M12FLATC03 Date- 7/22/2003
5.208.006.403.001.5024.1
30.1
9:45Flat Creek Upstream of Hwy 200, on Dearborn Ranch property
Bank Erosion Potential Rating: MDDERATE-HIGH
Stratification5-10 pts upward depending on position of unstable layers relative to bankfull stageTotal adjusted Index Value:
Bank Stratification Index adjustment:
silt/clay- no adjustment
Total Index Value Gravel- adjust the values up 5-10 pts depending on sand composition
Bank Materials Index adjustment: 0 Sand- adjust the values up 10 ptsNumeric Adjustments:
6
Bank Angle Cobble decrease the category by one unless the mixture of Sand/Gravel is over 50%Surface Protection
Root Depth/Bank Ht Bedrock is always Very LowRoot Density Boulders are always Low
BEHI Associated Index Value (from form) Possible Adjustment FactorsBank Ht/Bankfull Ht Bank Materials
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Appendix B Dearborn River TPA
216 Final Report
M12FLATC08 Date- 7/23/2003
parameter value unitsBankfull Width 33.00 FtMean Depth 3.67 FtBnkfull X-sect area 120.96 Sq FtWidth/Depth 9.00Max Depth 5.49 FtFlood prone width 100.00 FtEntrenchement Ratio 3.03Water slope 0.0017Channel Sinuosity 2.59BEHI Index Score (adjusted) 29.00BEHI RatingChannel D50 10 mmPercentage of Fines (<2mm) 15.79 %Stream Type E4 Sinuousity and W/D made it E over CDischarge 5.39 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) 94.8 %Stream Reach Assessment Score (MT adjusted) 94.1 %Macroinvertabrate Habitat Assessment Score 66.2 %
3 min40'
parameter value unitsFlow 5.39 cfsTemperature, water 21.98 degree CpH 8.4Specific Conductance 0.438 mS/cmDissolved Oxygen 11.26 mg/LDissolved Oxygen, % Saturation 129 %Turbidity 5.72 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a 0.9 mg/m^3 0.1Benthic Chlorophyll a 32.8 mg/m^3 0.1Total Phosphorus, TP 0.057 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 6 scorePERCENT OF MAX SCORE 33 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
Moderate
Stream Reach Habitat Assessments
Geomorphology Data
Field Measurements of water chemistry
Lab Results from Field Samples
Macroinvertabrate Data Results
Flat Creek below Birdtail Rd on Dearborn Ranch16:00
OVERALL SITE RATINGS
Non Impaired, Fully SupportingStream Reach Assessment Score (NRCS)
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
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Appendix B Dearborn River TPA
Final Report 217
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 14 12.28 12.28S 1.5 1-2 4 3.51 15.79FG 3 2-4 9 7.89 23.68FG 5 4-6 20 17.54 41.23FG 7 6-8 6 5.26 46.49MG 10 8-12 21 18.42 64.91MG 14 12-16 5 4.39 69.30CG 18 16-22 13 11.40 80.70CG 27 22-32 11 9.65 90.35CG 38.5 32-45 8 7.02 97.37CG 54.5 45-64 3 2.63 100.00SC 77 64-90 0.00 100.00SC 109 90-128 0.00 100.00MC 154 128-180 0.00 100.00LC 218 180-256 0.00 100.00LC 309 256-362 0.00 100.00SB 437 362-512 0.00 100.00MB 768 512-1024 0.00 100.00LB 1536 1024-2048 0.00 100.00BR >2048 0.00 100.00
TOTALS 114 100.00 100.00D50 particle size (mm) 8-12% Fines (<2mm) 15.79
M12FLATC08 Date- 7/23/2003 16:00Flat Creek below Birdtail Rd on Dearborn Ranch
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
616
-22
22-3
232
-45
45-6
464
-90
90-1
2812
8-18
018
0-25
625
6-36
236
2-51
251
2-10
2410
24-2
048
>204
8
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finer thanPercent of Total
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Appendix B Dearborn River TPA
218 Final Report
Parameter Value Units Parameter Value Units0.0017
2.595.49 feet10.97 feet
1340.00 feet 3.67 feet517.00 feet 33.00 feet47.00 feet 100.00 feet80.00 feet 120.96 ft^216.62 feet ft^211.13 feet 9.005.65 feet 120.96 ft^210.00 feet 3.03
110.00 feet11.00 feet
5.88 feet 1.871.00 feet 0.09
25.00 % 25 %70.00 Degrees 70 degrees50.00 % 50 %
0.79 ft/sec 0.06 ft/sec/ft63.00 feet
0.00 ft/sec49.00 feet
ft^2M12FLATC08 Date- 7/23/2003 16:00
Flat Creek below Birdtail Rd on Dearborn Ranch
Velocity at thalwegNear Bank stress / Mean Shear stress
Surface Protection Surface Protection
Root Depth/Bank HtRoot DensityBank Angle
BEHI Field Measures BEHI Calculated Values
Bank Height
BEH
I Inf
orm
atio
nMax Depth
Bankfull Height Bank Ht/Bankfull Ht
Root DensityBank Angle
Left Edge of Bankfull Floodplrone WidthBankfull Area
Root Depth
FloodproneAreaW/D Ratio
Right Edge of Floodprone depthLeft Edge of Floodprone depth
Right Edge of BankfullRod reading @ Thalweg
Cross Sectional AreaRod reading @ Bankfull DepthRod reading @ Floodplain Depth
Cro
ss-S
ectio
nal
Info
rmat
ion
Rod reading @ Upstream Edge of WaterRod reading @ Downstream Edge of Water
12.03
14.25Mean DepthBankfull Width
Long
itudi
nal
Info
rmat
ion
feet
feet
SlopeSinuousity
Floodprone Height
Straightline DistanceStream Distance
Entrenchment Ratio
tape reading at left bankNear bank stressMean shear stressNear bank x-sectional areaN
ear B
ank
Stre
ss
Info
rmat
ion
Velocity Gradient
A nb / A
Tape reading at thalwegvelocity at left bank
M12FLATC08 Date- 7/23/2003
6.008.006.005.004.0029.0
29.0
16:00Flat Creek below Birdtail Rd on Dearborn Ranch
Total adjusted Index Value:Bank Erosion Potential Rating: Moderate
Numeric Adjustments:
Bank Stratification Index adjustment:
Bank Materials Index adjustment:
Root DensityBank AngleSurface Protection
Total Index Value
Bank Ht/Bankfull HtRoot Depth/Bank Ht
BEHI Associated Index Value (from form)
Stratification5-10 pts upward depending on position of unstable layers relative to bankfull stage
Possible Adjustment FactorsBank Materials
Cobble decrease the category by one unless the mixture of Sand/Gravel is over 50%
Gravel- adjust the values up 5-10 pts depending on sand composition
Bedrock is always Very LowBoulders are always Low
Sand- adjust the values up 10 ptssilt/clay- no adjustment
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Appendix B Dearborn River TPA
Final Report 219
M12FLATC04 Date- 7/24/2003
parameter value unitsBankfull Width FtMean Depth FtBnkfull X-sect area Sq FtWidth/DepthMax Depth FtFlood prone width FtEntrenchement RatioWater slopeChannel SinuosityBEHI Index Score (adjusted)BEHI RatingChannel D50 154 mmPercentage of Fines (<2mm) 2.80 %Stream TypeDischarge 4.08 cfs
Parameter Value UnitsStream Reach Assessment Score (NRCS) %Stream Reach Assessment Score (MT adjusted) %Macroinvertabrate Habitat Assessment Score 86.5 %
2.5 min30"
parameter value unitsFlow 4.08 cfsTemperature, water 19.92 degree CpH 8.4Specific Conductance 0.366 mS/cmDissolved Oxygen 10.14 mg/LDissolved Oxygen, % Saturation 111.4 %Turbidity 3.28 NTU
parameter value units RLTotal Suspended Solids, TSS ND mg/L 10Volatile Suspended Solids, VSS ND mg/L 10TSS-VSS ND mg/L 10Water Column Chlorophyll a ND mg/m^3 0.1Benthic Chlorophyll a 14.3 mg/m^3 0.1Total Phosphorus, TP 0.019 mg/L 0.004Total Kiejdahl Notrogen, TKN ND mg/L 0.5Nitrate + Nitrite ND mg/L 0.01Total Nitrogen, TN mg/L
parameter value unitsTOTAL SCORE (max =18) 5 scorePERCENT OF MAX SCORE 28 %IMPAIRMENT CLASSIFICATION MODERATE IMPAIRMENTUSE SUPPORT PARTIAL SUPPORT
OVERALL SITE RATINGS
Stream Reach Habitat Assessments
Field Measurements of water chemistry
Lab Results from Field Samples
Geomorphology Data
10:00Flat Creek at confluence with Dearborn River on Dearborn Ranch
Stream Reach Assessment Score (MT adjusted)
Macroinvertabrate Habitat Assessment Score
Stream Reach Assessment Score (NRCS)
Macroinvertabrate Data Results
![Page 228: Dearborn River TMDL Planning Area: Appendix Bdeq.mt.gov/Portals/112/Water/WQPB/TMDL/PDF/DearbornWS/M12-T… · Field Measurements of water chemistry Stream Reach Assessment Score](https://reader033.vdocuments.site/reader033/viewer/2022060802/6086a10f9ffdcf168c3f1660/html5/thumbnails/228.jpg)
Appendix B Dearborn River TPA
220 Final Report
Mean size Particle Size (mm) Sum % Total Cum. TotalS/C 0.5 <1 4 2.80 2.80S 1.5 1-2 0.00 2.80FG 3 2-4 11 7.69 10.49FG 5 4-6 13 9.09 19.58FG 7 6-8 1 0.70 20.28MG 10 8-12 7 4.90 25.17MG 14 12-16 1 0.70 25.87CG 18 16-22 1 0.70 26.57CG 27 22-32 5 3.50 30.07CG 38.5 32-45 7 4.90 34.97CG 54.5 45-64 11 7.69 42.66SC 77 64-90 5 3.50 46.15SC 109 90-128 3 2.10 48.25MC 154 128-180 4 2.80 51.05LC 218 180-256 5 3.50 54.55LC 309 256-362 4 2.80 57.34SB 437 362-512 0.00 57.34MB 768 512-1024 3 2.10 59.44LB 1536 1024-2048 2 1.40 60.84BR >2048 56 39.16 100.00
TOTALS 143 100.00 100.00D50 particle size (mm) 128-180% Fines (<2mm) 2.80
M12FLATC04 Date- 7/24/2003 10:00Flat Creek at confluence with Dearborn River on Dearborn Ranch
Pebble Count Data
Bottom Deposits Distribution Graph
0
10
20
30
40
50
60
70
80
90
100
<1 1-2
2-4
4-6
6-8
8-12
12-1
6
16-2
222
-32
32-4
5
45-6
464
-90
90-1
28
128-
180
180-
256
256-
362
362-
512
512-
1024
1024
-204
8>2
048
Particle Size (mm)
Perc
ent (
%)
Percent Cumulative, finerthanPercent of Total
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BIOLOGICAL DATA AND REPORTS