SAUGATUCKET RIVER WATER QUALITY INVESTIGATIONS: WATER QUALITY DATA REPORT
Submitted to Rhode Island Department of Environmental Management
Submitted by
Raymond M. Wright Ph.D., P.E. Mirko Kugler M. S.
Mark Yeboah M. S. Candidate Quoc Nguyen M. S. Candidate
Department of Civil and Environmental Engineering University of Rhode Island
Kingston, RI 02881
Data in this Report is Draft
July 28, 1998
The purpose of this project was to conduct a comprehensive field investigation of the water quality of the Saugatucket River in southern Rhode Island. Information gathered from this project will be used to calibrate and validate a water quality model that will be used to determine waste load allocations (WLA). The results of the WLA will be an integral part of the development of the NPDES permits.
The main tasks of the project were threefold, (i) To provide an accurate assessment of the water quality conditions existing in the drainage area of the Saugatucket River under both dry and wet weather conditions; (ii) To determine the approximate location of areas of concern under both dry and wet weather conditions; (iii) And to calibrate and validate the dissolved oxygen model, QUAL2E to the river.
Dry Weather Sampling Program
Water Quality Stations
A total of 9 stations were originally scheduled to be monitored. Prior to the first dry weather study, an additional station was added (RH01). A complete list of stations monitored is provided below. These stations include 6 locations on the Saugatucket River and 4 locations on major tributaries to the river.
Station River/Stream Location SR01 Saugatucket River Stoney Fort Road, South Kingstown SR02 Saugatucket River Broad Rock Road, South Kingstown SR03 Saugatucket River Saugatucket Road, South Kingstown SR04 Saugatucket River Rte 108 (Outlet of Saugatucket Pond), South
Kingstown SR05 Saugatucket River Church Street, South Kingstown SR06 Saugatucket River Main Street, Wakefield South Kingstown FM01 Fresh Meadow Brook Broad Rock Road, (Outlet of Indian Lake), South
Kingstown IR01 Indian Run Columbia Street, South Kingstown RB01 Rocky Brook Railroad Street, South Kingstown RH01 Mitchell Brook Rose Hill Road, South Kingstown
Water Quality Surveys
A total of 3 dry weather surveys (DWS) were scheduled for this study to cover 1 year with spring, summer and fall sampling. For each dry weather survey, samples were taken 4 times at each of the 10 stations over the course of 24 hours (0,6,12, 18, and 24). Dissolved oxygen concentrations were measured during each survey's last run. The 3 dry weather surveys were conducted on March 25,1996, July 10, 1996 and October 27 1996. The draft water quality data is presented in this report.
Flow Measurements
Also necessary for the interpretation of the data is the estimate of stream flow. Flow can be measured with a current meter similar to the Marsh McBirnie Model 20IF electromagnetic flow meter following the velocity/area method after ASTM and USGS. Flows were measured once at each station for all 3 DWS. Additional, stage measurements were taken for each run. The stage readings revealed unsteady stage conditions at SR05 and SR06 for the 2nd dry weather survey conducted on July 10, 1996. This was due to unexpected flow regulation at SR04 by the dam owner.
Due to the combination of uncertainties in the stage-discharge relationship and the fact that it was not possible to flow gauge at higher flows, no stage-discharge relationship for station SR04 was developed. As an alternative, flows for station SR04 were backcalculated by subtracting discharges in the tributaries Indian Run (IR01) and Rocky Brook (RB01) from the measured flow at station SR05.
Dye Study
A total of three dye studies were scheduled for this study. The purpose of the dye studies is to measure the time of travel between all water quality stations in the Saugatucket River mainstream. The results are utilized for modeling the dissolved oxygen dynamics and for data interpretations. All 3 dye studies have been completed. Further information is provided in the separate report titled "Steady State Modeling of Dissolved Oxygen and Nutrients in the Saugatucket River".
Sediment Oxygen Demand
Sediment oxygen demand (SOD) measurements were proposed at 5 sites within the Saugatucket River mainstream with 3 measurements taken per site. The chamber was constructed during the spring and summer of 1996 and successfully used in the river reach between SR05 and SR06. Further information is provided in the separate report titled "Steady State Modeling of Dissolved Oxygen and Nutrients in the Saugatucket River".
QUAL2E Model Calibration and Validation
A progressive calibration of the QUAL2E dissolved oxygen model has been completed. It was conducted for the first two dry weather surveys with consideration of the following sources and sinks of dissolved oxygen:
Reaeration Photosynthesis Carbonaceous Biochemical Demand Nitrogenous Biochemical Demand Sediment Oxygen Demand Plant Respiration
The validation of the DO model has taken place with data from the third dry weather survey.
Wet Weather Sampling Program
Water Quality Surveys
A total of 3 wet weather surveys (WWS) were scheduled for this study. For the first two wet weather surveys (April 28, 1997 and August 21, 1997), samples were taken 11 times at each of the 10 stations. For the third wet weather survey (September 29, 1997), samples were taken 8 times at each of the 10 stations. The draft water quality data is presented in this report.
Flow Measurements
Since the time required to measure flow is often impossible during a WWS, stage/flow relationships are usually developed in advance of the sampling. These relationships were used at the tune of sampling to estimate flow.
To accomplish the tasks of the Saugatucket River Water Quality Investigations, the following four reports will be written.
(i) Water Quality Data Report (this report) (ii) Steady State Modeling of Dissolved Oxygen and Nutrients in the
Saugatucket River (Submitted with this report) (iii) Steady State Trace Metal Data Interpretation (under development by
Wright et. al.) (iv) Wet Weather Data Interpretation (under development by Wright et. al.)
SR01 FLOW GAGING
STAGE REBARDOWNSTREAM
STAGE REBARUPSTREAM
I •
A
I
0 5
U^ 10 15
Width (feet) 20
. 25 30 35 40
*
tjQ
2
-3
Cross-Section: Station SR01
River Bottom
*-~m,*-""""*" -tZ / *f~*
SR03
FLOW CAGING
STAGE REBAR
STAGE AT CONCRETE CORNER BETWEEN THE PIPES
Width (feet) 10 15 20 25 30 35 40
a -3 -fUver Bottom
-4
Cross-Section: Station SR03
Station Water Body Accumulative Drainage Area
STAGE AT MARKED STONE AT RIGHT SIDE OF CULVERT
10 15
Width (feet)
20 25 30 35 40
Cross-Section: Station SR02
•River Bottom
I
SR04
STAGEREBAR •
STAGE AT CONCRETE WALL A
SAUGATUCKET POND
X
rGATE
HOUSE
Y
SR06
FLOW GAGING
t SAUGATUCICET
\ STAGE REBAR • RIVER 1 I i TIDAL) I STAGE AT CORNER Ai OF SLUICE GATE
ABUDMENT
STAGE AT MARK OF TOP RIGHT SIDE OF CULVERT
Width (feet) 4 5 6 7 10
-3 -Ri\er Bottom
Cross-Section: Station RB01
RH01
FLOW GAGING
STAGE REBAR •
STAGE AT M A R K AAT TOP OF PIPE
Width (feet) 3 4 5 6 7 8 9 lu
Cross-Section: Station RH01
STAGE AT RAIL OF PEDESTRIAN BRIDGE
Width (feet) 4 5 6 7
Cross-Section: Station FM01
PLAY IR01 GROUND
FLOW GAGING 1 STAGEREBAR •
STAGE AT TOP ACORNER OF PLANK OF PEDESTRIAN BRIDGE
Width (feet) 4 5
a •Ri\er Bottom
Cross-Section: Station IR01
FLOW MEASUREMENT
Stage - Discharge - Relationship
at Station SR01 Field Meas iurements Trans formed Measurer nents
Date of Stage from Discharge Datum Stage Datum Discharge *
Rebar (Upstr ) Observed (1 On -Rebar) Stage Measured Measurement
(ft) [cfsj mi (LOG ft] [LOG cfs]
08/16/96 1 12 0301 888 2948 1 479
07/22/96 107 0359 893 2.951 1 555
03 / 07 / 97 099 0609 901 2955 1 785
11/05/96 086 0457 914 2961 1 660
02/06/97 086 1 289 914 2961 2110
10/28/96 080 0605 920 2964 1 782
12/23/96 080 1 187 920 2964 2074
04/03/97 069 1 873 931 2.969 2273
I Prediction for higher stages using the stage - discharge relationship
066 - 934 2.970
0.55 - 9.45 2.975
• log (1 00 times original discharge) "Comparison of observed vs. predicted discharge using the stage-discharge relationship
Repression Parameters (last sauares method):
Number of Measurements n: 8 Slope of Regression Line b: 33 53
Intercept of Regression Line a. -97 38 Standard Error of Estimate: 0.170
Coefficient of Determination R2. 0.69
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge):
Standard Error of Estimate for b: 9.093 T-statJstte: 3.688
Degrees of Freedom (n-2): 6 Critical Value T-test (at 95%) 2.447
The comparison of the computed t-stattstte with the critical t-value indicates with a 95%-conMence limit that there truly is a correlation between stage and discharge.
Discharge
Predicted "
[cfs]
0304
0367
0495
0800
0800
0997
0997
1 484
It 1 654 II
|| 2449
Stage-Discharge Relationship Station SR02 Log-Log Plot
Stage-Discharge values (confirmed) Prediction Interval
95% Confidence Limits
Regression Line
2.90 2.91 2.92 2.93 2.94 2.95 2.96
Log-Stage Culvert [ft]
Stage - Discharge - Relationship
at Station SR03 Field Mea surements Trans
Date or Stage from Discharge Datum Stage Datum Discharge '
Bridge Observed (10n-Bnd) Stage Measured Measurement
(It) [cfs) («] [LOG ft] [LOG cfs)
07/30/97 427 2024 5.73 2758 2306
07/10/96 393 8984 607 2783 2953
07/10/96 391 7306 609 2785 2864
08/16/96 385 7291 615 2.789 2863
07/02/96 385 9750 615 2789 2989
05/31/96 364 18102 636 2803 3258
03 / 24 / 97 3.63 15376 6.37 2804 3187
11 /OS/96 359 11 990 641 2.807 3079
07/15/96 358 26309 642 2.808 3420
10/28/96 355 16586 645 2.810 3.220
03/25/96 354 19.294 646 2810 3285
02/09/96 349 23.934 651 2.814 3379
12/23/96 339 31 316 6.61 2.820 3496
12/12/96 335 45381 6.65 1 2823 3657
02/06/97 318 54.947 682 2.834 3740
I rieunuuii lui luyiwf Mdyea uwiiy UM waya - urauwyv leMuuranip
3.00 - 700 2.845
2.80 - 720 2.857 I log (100 times original discharge) Comparison of observed vs. predicted discharge using the stage-discharge relationship
Regression Parameters Iv
Number of Measurements n- 15
Slope of Regression Une b: 18.47 Intercept of Regression Line a: -48.59
Standard Error of Estimate: 0.091 Coefficient of Determination R2 0 94
Student T-test for Regression:
Testing if the slope of the regression fcw may be zero
(no correlation between stage and discharge):
Standard Error of Estimate for b: 1 283 T-statete: 14.403
Degrees of Freedom (n-2). 13
Critical Value T-test (at 95%) 2.16
The comparison of the computed t-statnte with the critical t-value indicates with
a 95%-confidence limit that there truly a a correlation between stage and discharge
Discharge
Predicted "
[cfs]
2304
6683
7 101
8511
8511
15826
16292
18289
18823
20516
21 112
24344
32262
36066
57492
93 027
156536
Stage-Discharge Relationship Station SR03 Log-Log Plot
a ,0,
Stage-Discharge values (confirmed) Prediction Interval
? 95%-Confidence Limits ra u Regression Line
§ 01 o
2.0 2.74 2.76 2.78 2.80 2.82 2.84 2.86
Log-Stage Bridge [ft]
Stage - Discharge - Relationship
at Station SR05 Field Meas lurements Trans formed Measure! rents
Date of Stage from Discharge Datum Stage Datum Discharge *
Measurement Bridge Observed (3181ft-Bnd) Stage Measured
(ft) [cfs] [ftl(MSL) [LOG ft] [LOG cfs]
10/04/95 585 4229 971 2987 2626
10/24/95 533 9627 1023 3010 2983
10/31 /95 531 7888 1025 3011 2897
07/10/96 21 52 7916 1029 3012 2899
06/10/97 21 50 14072 1031 3013 3 148
10/23/95 524 12869 1032 3014 3110
07/02/96 522 12518 1034 3015 3098
08/16/96 21 44 11025 1037 3016 3042
05/22/97 21 43 24530 1038 3016 3390
10/22/95 515 20354 1041 3017 3309
03 / 24 / 97 2137 25043 1044 3019 3399
03/25/96 511 28007 1045 3019 3447
10/28/96 2133 26723 1048 3020 3427
05/31/96 496 31858 1060 -1 3025 3503
11/03/95 494 32249 1062 3026 3509
02/09/96 493 43452 1063 3027 3638
07/15/96 21 17 38865 1064 3027 3590
12/23/96 21 17 42537 1064 3027 3629
12/12/96 2107 56839 1074 3031 3755
02/06/97 2089 86027 1092 3038 3935
04/03/97 2083 110182 1098 3041 4042
rreaicnon TOT nigner sage* using me sngv - aacnargv renraonsnip
I 20 70 - 11 11 3046
- 1121 3050 20?? , -, ^l—* Inn (4 rtfl !•»!•• nrlnbval •*'" ~ ""* •i
•Comparison of observed v» predicted discharge using the stage-discharge relationship
Discharge
Predicted"
[cfs]
-
7686
8563
10624
11 830
12483
13895
16313
20741
22491
24384
25049
27148
37375
39407
40462
41 544
41 544
54024
86153
100483
1 139838
179844
3.0
2.5 91 ff 2.0 CO
U 1.5
O) 1.0
M
o 0.5
2.92
Stage-Discharge Relationship Station SR01
Stage-Discharge Values (confirmed)
Prediction Interval
- 95%-Confidence Limits
- Regression Line
2.93 2.94 2.95 2.96
Log-Stage Bridge [ft]
Log-Log Plot
= 33.53lx-97.381
R2 = 0.694
2.97 2.98
Stage - Discharge - Relationship
at Station SR02 Field Mea surements Trans formed Measurer nents
Date of Stage from Discharge Datum Stage Datum Discharge *
Culvert Observed (10n-Culv) Stage Measured
(ft) [cfs] [«] [LOG ft) [LOG cfs]
08/16/96 1 68 2506 832 2920 2399
07/22/96 1 67 1891 833 2921 2277
07/10/96 162 1 844 838 2923 2266
07/02/96 1 61 2733 839 2924 2437
03 / 07 / 97 1 56 4317 844 2926 2635
07/15/96 1 53 3976 847 2928 2599
05/31/96 1 48 3873 852 2930 2588
11 /05/96 1 40 3236 860 2934 2510
03/25/96 1 40 5623 860 2934 2750
10/28/96 1 39 3932 861 2935 2595
02/06/97 136 6831 864 2937 2834
02/09/96 1 35 9286 865 2937 2968
12/23/96 129 7223 871 2940 2859
04/03/97 120 12778 880 2944 3106
Measurement
1 Prediction for higher stages using the stag* - discharge relationship
1 10 - 890 2949
1 00 - 900 2954
* log (100 times original discharge) "Comparison of observed vs predicted discharge using the stage-discharge relationship
Regression Parameters (using the least squares method).
Number of Measurements n 14 Slope of Regression Une b 29 72
Intercept of Regression Une • -84 49 Standard Error of Estimate 0116
Coefficient of Determination RJ 080
Student T-tMt for rtmifiuutkiii
Testing if the stop* of the regression Hrte may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 4278 T-statistic 6948
Degrees of Freedom (n-2) 12 Critical Value T-test (at 95%) 2179
The comparison of the computed t-statatac with the critical t-value indicates with a 95%-confldence limit that there truly is a correlation between stage and discharge
Discharge
Predicted "
[cfs]
2023
2096
2504
2595
3096
3440
4098
5410
5410
5600
6210
6427
7893
10714
1 14991
20896
Regression Parameters for upper part of data (least squares method),
Slope of Regression Line b 28 08 Number of Measurements n 13 Intercept of Regression Line a -81 38 Standard Error of Estimate 0 049
Coefficient of Determination R2 0 95
Student T-test for Regression.
Testing if the slope of the regression line may be zero (no correlation between stage and discharge) Standard Error of Estimate for b 1 854 11 Degrees of Freedom (n-2)
T-statsbc 15144 2201 Critical Value T-test (at 95%) The comparison of the computed t-statistic with the critical t-value indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
Regression Parameters for tower part of data (using the least squares method)
Slope of Regression Line b 55 37 Number of Measurements n 12
Intercept of Regression Line a -163 77 Standard Error of Estimate 0 096 Coefficient of Determination R2 0 80
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 8 657 10 Degrees of Freedom (n-2)
T-statabc 15144 2 228 Critical Value T-test (at 95%) The comparison of the computed t-statistw with the critical t-value indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
Stage-Discharge Relationship Station SR05 Log-Log Plot y = 28079x-81 37jl 50
Stage-Discharge Values R2 = 0 9J42 I (upper part)
£ 45 Stage-Discharge Values (disregarded) Prediction Interval ? 40
n Stage-Discharge Values
<A 35 (lower part) -95% Confidence Limits
30
25 296 298 300 302 304 306
Log-Stage Bridge [ft]
Stage - Discharge- Relationship
at Station SR06 Field Meas surements Trans formed Measure! nents
Date of Stage from Discharge Datum Stage Datum Discharge * Discharge
Measurement Sluice Gate Observed (11 9in-Gate) Stage Measured Predicted "
(ft) (cfs) (ft] (MSL) [LOG ft] [LOG cfs] [cfs]
10/04/95 314 3669 942 2974 2565
07/31/96 298 8750 958 2981 2942
09/26/95 286 8417 970 2987 2925
10/31 /95 256 9387 998 2999 2973
10/24/95 256 9783 1000 3000 2990
07/10/96 190 9488 1001 3000 2977 10290
08/16/96 187 12061 1004 3002 3081 12906
10/23/95 251 14640 1005 3002 3166 13575
07/02/96 250 14238 1006 3003 3153 14278
10/22/95 244 21037 1012 3005 3323 19308
11/05/96 175 21236 1016 3007 3327 23588
05/31/96 240 33777 1016 3007 3529 23588
02/09/96 230 38131 1026 3011 3581 38779
1 1 / 03 / 95 230 40131 1026 3011 3603 38779
12/23/96 159 47355 1032 3014 3675 52135
12/12/96 158 58859 1033 3014 3770 54762
02/06/97 146 88354 1045 3019 3946 98418
Prediction for higher stages using the stage - discharge relationship
- 1051 3022 131606 . I ,«- 1061 3026 212823 I ,. 1
Regression Parameters for discharge over fishladder * dam (least squares method).
Slope of Regression Line b 5076 Number of Measurements n 13 Intercept of Regression Line a -14925 Standard Error of Estimate 0061
Coefficient of Determination RJ- 0 97
Student T-test for Repression. Testing if the slope of the regression line may be zero (no con-elation between stage and discharge)
Standard Error of Estimate for b 2 891 11 Degrees of Freedom (n-2) T-statetoc 17555 2201 Critical Value T-test (at 95%)
The comparison of the computed (-statistic with the critical t-value indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
Regression Parameters for discharge over fishladder only (least squares method)
Slope of Regression Line b 11 55 Number of Measurements n 6 Intercept of Regression Line a -31 63 Standard Error of Estimate 0112
Coefficient of Determination R2 0 63
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 4 453 4 Degrees of Freedom (n-2) T-statistK- 2.593 2 776 Critical Value T-test (at 95%)
The comparison of the computed t-statistc with the critical t-value indicates with a 95%-confidence limit that there may be NO correlation between stage and discharge
for the fishladder discharge
Stage-Discharge Relationship Station SR06 Log-Log Plot
Log-
Dis
char
ge [
cfs]
* ro u
A
i
3
0
O
O
t
• Stage-Discharge Values (Discharge over Dam) ^A^i ;*
A Stage-Discharge Values ^J&P^ (Fishtadder Discharge only) A ^ m^ y-50756x-14925|
R2 = 0 9655 IPrediction Interval A
292 2.94 296 298 300 302
Log-Stage Bridge [n]
304
Stage - Discharge - Relationship
at Station FM01 Field Mea surements Trans formed Measurer nents
Date of Stage from Discharge Datum Stage Datum Discharge * Discharge
Measurement Bridge Observed (10n-Bnd) Stage Measured Predicted "
(") [cfs] [«] [LOG ft] [LOG cfs] [cfs]
07/10/9 6 977 0537 023 1 362 1 730 -
08/16/9 6 976 1 863 024 1 380 2270 1 782
07/02/96 974 2054 026 1 415 2313 2011
05/31/96 956 3971 044 1643 2599 4442
03/25/96 940 6324 060 1778 2801 7087
10/28/96 942 6928 058 1 763 2841 6734
07/15/9 6 928 8613 072 1 857 2935 9327
02/09/96 927 11 991 073 1863 3079 9523
12/23/9 6 891 13110 109 2037 3118 17419
02/06/97 889 20446 1 11 2045 3311 17903
02/06/97 889 20446 1 11 2045 3311 17903
Prediction for higher stages using the stage - discharge relationship
I 840 - 1 60 2.204 31055
820 - 180 22S5 37084 1 • tog (100 times original discharge) "Comparison of observed vs predicted discharge using the stage-discharge retetionsftp
Regression Parameters fusing the toast squares method). Number of Measurements n 10 Slope of Regression Line b 1 51
Intercept of Regression Line a 017 Standard Error of Estimate 0 069
Coefficient of Determination R2 0 97
Student T-test for Repression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 0095 T-statWte 15832
Degrees of Freedom (n-2) 8 Critical Value T-test (at 95%) 2306
The comparison of the computed t-statistfc with the critical t-value indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
Stage-Discharge Relationship Station FM01 Log-Log Plot
4.0
J2 3.5 Stage-Discharge Values .u. (confirmed) 0} g> 3.0 Stage-Discharge Values (0 (disregarded)
u Prediction Interval W 2.5
9 y = 1.5064X + 0.1719 O) - Regression Line R2 = 0.9691 O 2.0
1.5 0.50 1.00 1.50 2.00 2.50
Log-Stage Bridge [ft]
Stage - Discharge- Relationship
at Station IR01 Field Meas surements Trans formed Measurer nents
Date of Stage from Discharge Datum Stage Datum Discharge * Discharge
Bridge Observed (162in-Bnd) Stage Measured Predicted "Measurement
(ft) [cfs] [ft] (MSL) [LOG tt] [LOG cfs] [cfs]
10/04/95 493 0151 1128 3052 1 179
09/25/95 493 0279 11 28 3052 1 446 1 453
09/26/95 485 0597 11 36 3055 1 776 1 769
07/10/96 485 0664 11 36 3055 1 822 1 769
10/31 /95 478 0785 11 43 3058 1 895 2099
10/24/95 477 0693 11 44 3058 1 841 2151
08/16/96 476 0746 11 45 3059 1 873 2204
06/10/97 475 1 149 1146 3059 2060 2258
07/02/96 474 1 263 1147 3060 2101 2314
10/23/95 467 1 584 11 54 3062 2200 2741
05/22/97 459 2890 11 62 3065 2461 3324
03/24/97 457 2598 1164 3066 2415 3487
05/31/96 451 2996 11 70 3068 2477 4024
10/22/95 448 3569 11 73 J 3069 2553 4322
02/09/96 442 5346 11 79 3072 2728 4982
11/03/95 443 5850 1178 3071 2767 4866
12/23/96 435 5460 11 86 3074 2737 5876
12/12/96 417 9010 1204 3081 2955 8941
02/06/97 409 11260 1212 3084 3052 10753
04/03/97 392 15175 1229 3090 3181 15854
I Prediction for higher stages using the stage - discharge relationship
380 - 1241 3094 20 785
360 - 1261 3101 32454 I log (100 times original discharge)
•Comparison of observed vs predicted discharge using the stage-discharge relationship
Regression Parameters for upper part of data (least squares mcthodl.
Slope of Regression Line b 27 87 Number of Measurements n 8 Intercept of Regression Line a -82 91 Standard Error of Estimate 0 057
Coefficient of Determination R2 0 94
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 0 020 6 Degrees of Freedom (n-2)
T-staOstc 1416 611 2 447 Critical Value T-test (at 95%)
The comparison of the computed t-statistic with the critical t-value indicates with
a 95%-confidence limit that there truly is a correlation between stage and discharge
Regression Parameters for lower part of data fteast squares method).
Slope of Regression Line b 61 98 Number of Measurements n 14 Intercept of Regression Line a -187 64 Standard Error of Estimate 0 077
Coefficient of Determination R2 0 96
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 3 666 12 Degrees of Freedom (n-2) T-statistic- 1416611 2179 Critical Value T-test (at 95%)
The comparison of the computed t-statstic with the critical t-value indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
Stage-Discharge Relationship Station IR01 Log-Log Plot
Log-
Dis
char
ge [
cfs]
-»
ro
o>
*.
( jj
O
O
O
O
<
• Stage-Discharge Values y-27871x-82.908| (upper part) R3 0 944 |
^ Stage-Discharge Values (disregarded) Prediction Interval
Mf^^^^^ X Stage-Discharge Values ^jW*
(tower part) 1W^' y 61 9S3x- 1876381 Regression Line ^^*~ RJ 0 960 I
O
02 304 306 308 310 312
Log-Stage Bridge [ft]
Stage - Discharge - Relationship
at Station RB01 formed Measurer
Datum
Stage
(LOG ft)
2716
2716
2717
2717
2729
2730
2740
2741
2742
2744
2756
2761
2771
2778
nents
Discharge*
Measured
[LOG cfs]
2276
2385
2275
2329
2584
2595
2815
2717
2899
2705
3037
3130
I
Discharge
Predicted "
[cfs]
2083
2083
2157
2157
3604
3727
5745
5936
6134
6549
10959
13666
20 446
27708
Date of
Measurement
07/10/96
07/02/96
08/16/96
06/10/97
05/22/97
03 / 24 / 97
12/23/96
05/31/96
12/12/96
04/04/96
02/06/97
04/03/97
Field Mea
Stage from
Bridge
(ft)
480
480
479
479
464
463
450
449
448
446
430
423
surements
Discharge
Observed
[cfs]
1 886
2428
1882
2133
3835
3940
6530
5208
7920
5069
10886
13481
Trans
Datum Stage
(10n-Bnd)
[1]
520
520
521
521
536
537
550
551
552
554
570
577
Prediction for higher stages using the stage - discharge rettnnsrup
. 1 410 - 590
- 600 1 «•
tog (100 times original discharge) Comparison of observed v* predicted discharge using the stage-discharge relationship
Parameters fusma the least sou imethotfl Number of Measurements n 12 Slope of Regression Line b 1808
Intercept of Regression Line a -46 80 Standard Error of Estimate 0065
Coefficient of Detenrunation R2 0 96
Student T-test for Regression. Testing if the slope of the regression line may be zero (no correlation between stage and discharge)
Standard Error of Estimate for b 1 241 T-statistic 14569
Degrees of Freedom (rt-2) 10 Critical Value T-test (at 95%) 2228
The comparison of the computed '-statistic with the critical t-vahw indicates with a 95%-confidence limit that there truly is a correlation between stage and discharge
85
Stage-Discharge Relationship Station RB01 Log-Log Plot
40
• Stage-Discharge Values
fi 3.5 (confirmed)
<u Prediction Interval ? 3.0 ra a v> 25
- Regression Line
y = 18.083x-46.796
O) 20 R: = 0.955
1.5 2.68 2.70 2.72 2.74 2.76 2.78
Log-Stage Bridge (ft)
85
Stage - Discharge - Relationship
at Station RH01 Field Mea: surements Trans formed Measure! nents
Date of Stage from Discharge Datum Stage Datum Discharge *
Rebar Observed (10ft -Rebar) Stage Measured Measurement
(ft) [cfs] [ft] [LOG ft] [LOG cfs]
03/25/96 294 0102 706 2849 1 009
05/31/96 294 0.385 706 2849 1 585
07/02/96 288 0427 712 2852 1 630
07/10/96 264 1967 736 2.867 2294
07/15/96 2.63 2181 737 2.867 2339
08/16/96 256 2586 744 2872 2413
10/28/96 2.47 2.927 753 2877 2466
12/23/96 2.38 3621 762 2.882 2559
02/06/97 2.17 5968 783 2894 2776
04/03/97 1 85 12054 815 2911 3081
Prediction for higher stages using the stage - discharge relationship'
- I! 1 75 - 825 2916
- II 1.« - 835 2922
• log (100 times original discharge) "Comparison of observed vs predicted discharge using the stage-discharge relationship
Regression Parameters (using the least squares method): Number of Measurements n. 7 Slope of Regression Line b: 17 29
Intercept of Regression Line a: -47 27 Standard Error of Estimate. 0.017
Coefficient of Determination R2: 1 00
Student T-test for Regression: Testing if the slope of the regression line may be zero (no correlation between stage and discharge):
Standard Error of Estimate for b: 0.432 T-statistic. 39.991
Degrees of Freedom (n-2): 5 Critical Value T-test (at 95%) 2.571
The comparison of the computed t-stattstte with the critical t-value indicates with a 95%-confldence limit that there truly Is a correlation between stage and discharge.
Discharge
Predicted "
[cfs]
-
-
-
2044
2.092
2464
3033
3725
5962
11 918
1 14717
18126
Stage-Discharge Relationship Station RH01 Log-Log Plot
M
0)Ol < o
O)o
3.5
3.0
2.5
20
1.5
1 U
•
O
Stage-Discharge Values
(confirmed)
Stage-Discharge Values(disregarded)
Predictiofi Interval
R»or»ceinn 1 inn
O^
^
^j*-^^ ~~~
J -*-*-*^*^^^^ ^4*6-***"
y = 1 7 2 9 5 x - 4 7 R! = °"7
.271
2.78 2.82 2.S6 2.90 2.94
Log-Stage Rebar [ft]
DRY WEATHER WATER QUALITY SURVEY
DATA
DRY WEATHER SURVEY 1 (DWS1) March 25, 1996
Runs Schedule Runl - 0630 - March 25,1996 Run 2 - 1230 - March 25,1996 Run 3 - 1815 - March 25,1996 Run 4 - 2400 - March 25, 1996 Run 5 - 0630 - March 26, 1996
(DO Measurement-only)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Suspended Solids (mg/L)
STATION RUN 1 RUN 2
SR01 2.40 1.80
SR02 0.60 0.80
SR03 1.00 0.60
SR04 1.60 1.40
SR05 1.60 1.20
SR06 1.40 0.80
FM01 1.00 0.60
IR01 1.68 2.02
RB01 1.80 1.20
RH01 0.80 0.20
ND = Not Detectable
Shaded areas represent data under review.
RUN 3
1.40
1.20
1.00
1.20
0.80
0.80
M 2.88
1.60
0.40
RUN 4
2.20
0.80
1.60
0.80
1.00
1.20
0.40
1.88
1.80
0.60
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Fecal Coliform (FC/100 ml)
STATION RUN1 RUN 2 RUNS RUN 4
SR01 <1 <1
SR02 10 <1 <1
SR03 <1
SR04 <1
SR05 25 17 23 39
SR06 31
FM01 <1
IR01 61 46 33 44
RB01
RH01
11
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Volatile Suspended Solids (mg/L)
STATION RUN1
SR01 2.40
SR02 0.60
SR03 1.40
SR04 1.40
SR05 1.40
SR06 1.40
FM01 ; 0.80
IR01 0.80
RB01 j 1.20
RH01 0.60
ND = Not Detectable
Shaded areas represent data under review.
RUN 2
1.00
0.40
0.40
0.80
1.00
0.80
0.60
0.20
0.60
0.40
RUN 3 RUN 4
1.00 1.40
0.80 0.80
0.80 0.80
0.60 0.80
0.80 1.00
0.60 1.00
Bl 0.40
0.20
•B0.20 1.80
0.20 0.60
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT:
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
BOD5(mg/L)
RUN1
0.20
0.25
0.30
0.45
0.00
0.25
0.20
0.30
0.25
0.10
RUN 2
0.20
0.25
0.70
0.65
0.85
1.05
0.85
0.30
0.3"5
0.20
RUN 3
1.35
1.40
1.05
1.25
1.30
1.50
1.70
1.20
1.30
1.00
RUN 4
0.75
0.70
0.85
1.00
1.10
0.95
1.40
1.40
1.80
1.05
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Ammonia (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.013 0.014 0.008 0.017
SR02 0.010 0.018 0.007 0.021
SR03 0.470 0.456 0.504 0.524
SR04 0.283 0.295 0.308 0.293
SR05 0.177 0.193 0.211 0.225
SR06 0.157 0.157 0.173 0.173
FM01 0.016 0.023 0.024 0.060
IR01 0.014 0.013 0.006 0.021
RB01 0.022 0.015 0.013 0.029
RH01 0.007 0.017 ND 0.016
ND * Not Detectable (Detection Limit =» 0.005 mg/L)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Nitrates as N (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.370 0.336 0.348 0.329
SR02 0.246 0.230 0.239 0.219
SR03 0.301 0.336 0.312 0.232
SR04 0.246 0.375 0.295 0.295
SR05 0.439 0.527 0.459 0.459
SR06 0.481 0.590 0.573 0.495
FM01 0.122 0.177 0.168 0.148
IR01 0.412 0.548 0.459 0.459
RB01 0.660 0.745 0.659 0.677
RH01 0.094 0.081 0.103 0.112
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Phosphate as P (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 ND ND ND ND
SR02 ND ND ND ND
SR03 ND ND ND ND
SR04 ND ND ND ND
SR05 ND ND ND ND
SR06 ND ND ND ND
FM01 ND ND ND ND
IR01 ND ND ND ND
RB01 ND ND ND ND
RH01 ND ND ND ND
ND = Not Detectable (Detection Limit = 0.010 mg/L)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: TKN (mg/L)
STATION RUN1 RUN 2 RUNS RUN 4
SR06 0.649 0.687 0.767 0.714
CONSTITUENT: TP (mg/L)
STATION ,' RUNl RUN 2 RUNS RUN 4
SR06 0.065 0.059 0.076 0.065
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Chloride (mg/L)
STATION RUN 1 RUN 2
SR01 18.3 17.9
SR02 17.8 17.9
SR03 22.7 23.2
SR04 23.0 24.1
SR05 30.8 31.9
SR06 33.1 : 31.7
FM01 25.1 25.2
IR01 55.0 53.8
RB01 3 8.8 3971
RH01 20.5 21.1
RUN 4
18.8
18.0
24.2
25.1
31.7
32.3
26.3
56.8
40.9
1 21.5
RUN 3
19
17
23
23
31
31
23
51
39 .8
20 .7
.3
.2
.8
.8
.1
.3
.6
.7
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Sodium (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 8.63 i 8.75 8.34 9.06
SR02 7.71 7.63 7.78 8.22
SR03 10.3 10.4 10.2 10.4
SR04 10.5 10.3 10.6 10.3
SR05 13.8 14.0 13.7 13.9
SR06 13.6 14.5 14.3 16.4
FM01 11.2 11.2 11.7 11.3
IR01 24.8 25.2 25.0 25.2
RB01 18.1 18T3 18.2 19.1
RH01 9.66 10.1 10.0 9.73
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Chlorophyll a (jig/L)
RUN 4
0.53
0.51
0.53
1.07
0.90
0.91
! 0.81
0.35
i °'37
, 0.22
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
0.39
0.28
0.24
1.10
0.62
0.85
0.54
0.42
0.52
0.22
RUN 2
0.50
0.72
0.61
1.63
1.71
1.26
0.62
0.51
0.4"!
0.14
RUN 3
0.28
0.39
0.44
0.74
0.61
0.92
0.52
0.29
0.40
0.21
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: pH
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
6.44
6.33
6.44
6.62
6.54
6.41
5.39
6.22
6.61
6.00
RUN 2
6.38
6.35
6.48
6.63
6.54
6.47
5.31
6.19
6.69
5.94
RUN 3
6 39
6.35
6 51
6.68
6.58
6.55
5.39
6.22
6.67
6.02
RUN 4
6.36
6.31
6.46
6.68
6.55
6.49
5.33
6.17
6.76
5.92
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Oxygen (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 11.6 11.1 12.9 11.1
SR02 11.1 11.5 13.0 10.6
SR03 10.6 11.6 13.0 10.2
SR04 10.2 10.8 13.8 11.0
Above Dam
SR04 11.1 12.0 14.1 11.6
Below Dam
SR05 10.8 11.3 13.5 11.0
SR06 10.0 11.4 12.1 10.7 Above Dam
SR06 10.6 11.6 14.0 11.2 Below Dam
FM01 10.5 11.4 12.8 10.2
IR01 10.6 11.1 13.1 10.7
RB01 10.8 11.3 13.1 10.6
RH01 11.5 12.2 13.9 11.0
RUN 5
11.2
10.8
10.6
11.0
11.6
11.3
11.4
12.0
10.2
12.0
11.0
11.4
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Temperature (°C)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUN 5
SR01 4.15 10.5 8 00 8.00 7.80
SR02 5.20 9.75 10.5 9.00 9.00
SR03 5.10 8.65 9 10 9.00 8.50
SR04 6.50 7.50 7 60 8.00 8.20
SR05 6.75 8.65 8.10 8.00 8.50
SR06 7.00 9.25 9.05 8.50 8.20
FM01 5.00 9.05 9.00 8.00 8.00
IR01 5.90 8.80 ' 8.15 8.10 8.50 i
RB01 6.25 9.85 !- 9.45 9.30 9.20
RH01 4.40 8.95 1 9.00 8.00 7.80
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Conductivity (umhos/cm)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
50
50
70
65
85
50
130
105
52
RUN 2
60
54
75
70
87
95
70
129
113
61
, RUN 3
60
59
72
71
90
95
70
137
113
61
RUN 4
60
55
75
71
85
95
69
140
108
50
RUN 5
58
54
76
74
91
93
71
140
113
60
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Stage rebar (ft)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUN 5
SR01 1.45 1.43 1.47 1.44 1.44
SR02 1.00 1.01 1.02 1.00 1.01
SR03 1.29 1.27 1.30 1.30 1.28
SR04 t t t t t
SR05 0.91 0.91 0.92 0.90 0.92
SR06 1.72 1.72 1.72 1.70 1.72
FM01 1.50 1.51 1.57 1.53 1.51
IR01 0.01 0.02 t t 0.02
RB01 2.00 2.05 "2.06 t 2.05
RH01 2.63 2.64 2.65 2.65 2.63
t Not taken on that run
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Stage bridge (upstream) (ft)
STATION
SR01
SR02
SR03
SR04
SR05 1
SR06
FM01
IR01 !
RB01
RH01 I
t Not taken on that run
RUN1
t
1.40
3.55
9.69
21"4
1.72
9.40
4.61
4.63
5.41
RUN 2
t
1.41
3.54
9.71
21.4
1.72
9.41
4.61
4.63
5.41
RUN 3
t
t
3.55
9.70
21.4
1.72
9.57
4.62
" t
5.42
RUN 4
t
t
3.55
9.70
t
1.70
9.40
' 4.60
4.65
i 5.44
RUN 5
t
1.40
3.55
9.70
21.4
1.72
9.41
4.61
4.66
5.42
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Flows (cfs)
RUN1* RUN 2* RUN 3* RUN 4* RUN 5*
* The flows in Runs 1-5 were calculated using the Stage-Discharge relationships.
Shaded areas represent data under review.
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Time (hrs)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUNS
SR01 0630 1230 1815 2400 0630
SR02 0640 1245 1830 0015 0639
SR03 0650 1310 1855 0035 0655
SR04 0710 1345 1925 0055 0715
SR05 0725 1425 2010 0125 0724
SR06 0745 1445 2030 0135 0745
FM01 0645 1300 1835 0025 0646
IR01 0735 1405 1955 0120 0730
RB01 0720 1355 1930 0110 0717
RH01 0700 1320 1910 0045 0700
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Calcium (mg/L)
STATION RUN 1 RUN 2 RUN 3 RUN 4
SR01 0.63 0.45 0.84 0.89
SR02 0.89 0.74 1.08 1.31
SR03 2.08 1.83 2.36 2.38
SR04 2.03 1.96 2.33 2.29
SR05 3.04 2.76 3.27 3.09
SR06 3.21 3.18 3.55 3.38
FM01 0.58 0.61 1.19 1.03
IR01 4.04 3.95 4.36 4.17
RB01 3.61 3.4-5 4.02 4.02
RH01 0.35 0.17 0.71 0.61
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Magnesium (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.415 0.367 0.364 0.363
SR02 0.491 0.425 0.415 0.434
SR03 0.737 0.712 0.664 0.656
SR04 0.682 0.661 0.643 0.619
SR05 0.790 0.731 0.711 0.717
SR06 0.829 0.759 0.757 0.739
FM01 0.489 0.434 0.443 0.431
IR01 0.941 0.885 0.843 0.856
RB01 0.886 0.8T2 0.799 0.817
RH01 0.357 0.329 0.330 0.321
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Chromium (ng/L)
STATION RUN 1 RUN 2 RUN 3 RUN 4
SR01 1.97 1.93 0.42 0.56
SR02
SR03
, 1.15
0.67
0.52
0.66
i
'i
0.40
0.49
0.72
0.46
SR04 0.95 0.93 0.59 0.51
SR05 1.10 1.16 0.82 1.27
SR06 1.19 0.73 0.55 0.72
FM01 0.63 1.14 0.99 0.73
IR01 0.95 0.66 0.95 1.76
RB01 0.63 0.63 0.43 1.28
RH01 0.86 0.57 0.66 1.92
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Chromium (ng/L)
STATION RUN1 RUN 2 RUNS RUN 4
SR01 0.32 0.15 0.08 0.05
SR02 , 0.07 0.07 0.08 0.08 i I
SR03 0.05 0.08 ii 0.02 0.06
SR04 0.07 0.05 0.06 0.04
SR05 0.09 0.52 0.33 0.25
SR06 0.27 0.24 0.21 0.24
FM01 0.19 0.19 0.16 0.21
IR01 0.30 0.24 0.24 0.22
RB01 0.11 0.09 0.08 0.12
RH01 0.26 0.11 0.12 1.23
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Nickel (Mg/L)
STATION RUN1 RUN 2
SR01I
2.18 1.01
SR02 0.51 , 0.57
SR03 0.49 , 0.56
SR04 0.35 0.91
SR05 ; 0.74 1.88
SR06 1.52 1.08
FM01 0.83 1.30
IR01 1.06 1.08
RB01 0.77 0.25
RH01 1.04 1.28
RUN 3
0.61
0.75
0.52
0.50
1.65
1.70
0.42
1.55
0.98
1.13
RUN 4
0.58
0.83
0.61
0.29
1.61
1.88
0.59
1.70
0.75
0.50
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Nickel (ng/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
1.47
0.10
0.22
ND
0.32
1.16
0.62
0.80
0.56
0.74
RUN 2
0.11
0.33
0.23
0.55
1.42
0.84
0.86
0.85
ND
1.06
RUN 3 RUN 4
0.44 0.37
0.57 0.51
0.32 0.40
0.25 0.09
1.41 1.25
1.49 1.62
ND 0.36
1.23 1.11
0.76 0.28
0.87 0.21
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Copper
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 1.02 1.97 1.00 1.75
SR02 0.81 0.91 0.96 1.03
SR03 0.71 0.93 0.74 0.87
SR04 2.00 1.18 0.75 0.78
SR05 1.70 1.14 1.21 1.11
SR06 1.48 1.23 1.23 1.30
FM01 1.05 1. 00 1.02 0.86
IR01 1.16 13.82 1.87 16.49
RB01 0.79 0.76 0.42 0.57
RH01 0.42 ND 0.04 0.85
SAUGATUCKET RIVER STUDY
CONSTITUENT:
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
DRY WEATHER SURVEY 1 25 March 1996
Dissolved Copper (ng/L)
RUN1 RUN 2 RUNS
0.95 ; 1.57 0.78
0.81 0.91 0.96
0.71 ,i 0.93 0.74
1.07 i 1.07 0.75
! 1.70 1.14 !
i 1.21
1.48 1.23 1.23
1.05 1.00 1.02
1.16 13.82 1.87
0.79 0.76 0.42
0.42 ND 0.04
RUN 4
1.75
1.03
0.87
0.78
1.11
1.25
0.86
16.49
0.57
0.85
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Lead
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
0.77
0.75
0.64
1.52
1.09
0.87
1.05
0.92
4.15
0.35
RUN 2
1.16
1.24
0.87
1.92
1.05
0.86
1.17
1.54
1.30
0.37
; RUN 3 RUN 4
0.58 1.04
0.93 1.23
0.81 0.79
| 1.76 4.25
1.97 1.36
1.27 1.35
1.50 3.18
5.40 1.39
1.67 1.70
0.52 0.63
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Lead (ng/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.08 0.20 0.24 0.44
SR02 0.29 0.20 0.48 0.55
SR03 0.21 0.43 0.28 0.29
SR04 0.52 0.52 0.75 1.48
SR05 0.42 0.39 1.05 0.74
SR06 0.42 0.44 0.52 0.65
FM01 0.74 0.70 1.07 2.83
IR01 0.61 1.06 2.11 0.67
RB01 0.72 0.46 0.42 0.43
RH01 0.12 0.07 0.07 0.13
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Cadmium (^g/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 ; 0.43 0.62 0.41 0.52
SR02 0.55 0.49 0.56 0.55
SR03 ; 0.55 , 0.51 0.47 0.47
SR04 0.58 ! 0.51 , 0.50 0.51
SR05 0.51 0.41 0.56 0.46
SR06 0.57 0.45 | 0.44 0.44
FM01 0.54 0.52 0.47 0.55
IR01 0.44 0.41 0.42 0.44
RB01 0.38 0.44 0.34 0.46
RH01 0.40 0.39 0.46 0.49
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Cadmium (ng/L)
STATION RUN1 RUN 2 RUNS RUN 4
SR01 0.06 0.14 0.05 0.09
SR02 0.11 0.07 0.15 0.08
SR03 0.09 0.06 0.06 0.07
SR04 0.10 0.08 0.05 0.04
SR05 0.10 0.05 0.11 0.06
SR06 0.15 0.06 0.07 0.06
FM01 0.14 0.09 0.09 0.08
IR01 ND ND ND ND
RB01 ND ND ND ND
RH01 ND ND ND ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Total Zinc (^g/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1 i
1.15
7.66 j
4.52
0.69
8.50
12.25
8.16
9.51
7.42
5.42
RUN 2
2.01
10.21
4.91
5.13
8.85
8.40
10.57
9.49
7.04
5.83
RUN 3 RUN 4
3.88 7.75
4.58 8.27
4.84 4.71
6.67 6.44
1.06 | 8.28
8.82 9.25
8.58 14.01
10.05 9.67
7.30 8.13
6.21 6.74
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 1
25 March 1996
CONSTITUENT: Dissolved Zinc (ng/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 ND ND 3.31 6.48
SR02 7.16 9.44 4.00 7.36
SR03 4.17 4.08 4.18 4.20
SR04 ND 4.23 6.12 5.97
SR05 7.85 8.01 ND 7.59
SR06 11.12 7.77 8.22 8.66
FM01 7.74 9.76 8.09 13.52
IR01 8.90 8.96 9.27 8.94
RB01 6.62 6.26 6.54 6.81
RH01 3.90 5.48 5.58 6.09
DRY WEATHER SURVEY 2 (DWS2) July 10, 1996
Runs Schedule Runl-0605-July 10, 1996 Run 2-1210-July 10, 1996 Run 3 - 1805-Julyl0,1996 Run 4-0010-July 11,1996 Run 5-0640-July 11, 1996
(DO Measurement-only)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Fecal Coliform (FC/100 ml)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 810 370 270 240
SR02 180 76 47 55
SR03 250 160 99 86
SR04 130 100 2400 80
SR05 1100 970 120 1100
SR06 740 650 670 600
FM01 150 70 110 , 70
IR01 1100 680 520 630 i
RB01 410 280- 350 1 290
RH01 2200 1100 1100 ! 760
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Suspended Solids (mg/L)
STATION RUN1 , RUN 2 RUNS RUN 4
SR01 4.16 5.36 5.38
SR02 2.18 2.18 l.t 1.80
SR03 2.67 2.04 2.60 2.49
SR04 2.10 2.18 1.92 1.94
SR05 1.46 2.11 2.60 2.07
SR06 1.44
The values in the shaded areas have been rerun. Data is under review.
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Volatile Suspended Solids (mg/L)
The values in the shaded areas have been rerun. Data is under review.
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: BOD5 (unfiltered) (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.58 0.45 0.20 0.40
SR02 ' 0.53 2.53 0.45 0.55
SR03 i 1.03 1 1.08 j 0.70 0.65
SR04 ! 1.03 1.43 1.08 ; 1.10 I
SR05 1.18 1.33 0.78 0.63
SR06 1.20 1.20 1.20 1.28
FM01 1.48 1.L5 1.38 1.00
IR01 0.90 0.73 0.73 0.70
RB01 0.93 0.93" 0.98 0.88
RH01 0.65 0.78 0.50 0.53
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY2
10 July 1996
CONSTITUENT: Ammonia (mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
ND
ND
0.742
0.357
0.280
0.150
ND
ND
ND
ND
RUN 2
ND
ND
0.836
0.440
0.253
0.054
ND
ND
ND'
ND
ND - Not Detectable (Detection Limit = 0.005 mg/L)
RUN 4
ND
ND
0.849
0.310
0.045
0.061
! ND
ND
ND I
, ND
RUN 3
ND
ND
0.836
0.284
0.159
0.070
ND
ND
ND
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
CONSTITUENT:
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
10 July 1996
Nitrates as N (mg/L)
RUN 1 RUN 2
0.474 0.526
0.268 0.255
0.513 0.500
0.229 : 0.294
0.435 0.448
0.603 0.745
0.190 0.152
0.939 0.951
0.323 0.263"
0.123 0.108
RUN 3
0.577
0.281
0.526
0.294
0.681
0.590
0.190
0.913
0.247
0.123
RUN 4
0.668
0.268
0.539
0.410
0.887
0.564
0.216
0.964
0.232
, 0.123
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Phosphate as P (mg/L)
RUN 4
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND - Not Detectable (Detection Limit =
RUN 2
ND
ND
ND
ND
ND
ND
ND
ND
ND'
ND
0.010 mg/L)
RUN 3
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: TKN(mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR06 0.390 0.366 0.248 0.180
CONSTITUENT: TP(mg/L)
STATION ,1 RUN1 | RUN 2 1 RUN 3 RUN 4
SR06 I 0.128 Ii 0.128 0.116 0.104
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Chloride (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 20.8 21.5 22.4 21.3
SR02 15.9 15.3 16.9 16.5
SR03 27.5 25.7 27.1 27.4
SR04 23.0 24.1 23.3 23.2
SR05 27.6 28.6 , 33.2 37.5
SR06 27.9 30.6 i 27'4 27.1
FM01 34.0 34.9 1 35.7 36.2
IR01 46.0 46.2 1 46.7 48.0
RB01 38.1 39.9' 38.9 41.1
RH01 16.1 17.7 ,' 17.6 18.2
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Sodium (mg/L)
STATION RUN 1 RUN 2
SR01 9.78 9.85
SR02 7.37 7.57
SR03 j 11.1 11.0
SR04 9.53 9.51
SR05 12.7 12.8
SR06 12.6 12.7
FM01 14.1 14.6
IR01 19.7 20.5
RB01 18.1 18.5'
RH01 7.74 8.03
RUN 3
11.0
7.90
11.9
11.3
15.4
13.2
16.2
21.9
19.8
8.57
RUN 4
10.8
7.81
11.9
10.5
18.5
13.5
16.3
21.5
19.3
8.47
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Chlorophyll a
RUN 4
0.37
0.41
0.51
1.78
0.37
0.64
1.28
0.31
i 0.19
0.23
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
0.59
0.23
0.99
2.57
0.55
1.48
8.89
0.26
0.41
0.79
RUN 2
0.28
0.37
1.18
3.55
0.96
2.17
3.16
0.41
0.17"
0.37
RUN 3
0.36
0.28
0.83
2.96
0.50
0.73
3.36
0.40
0.13
0.37
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: pH
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 6.70 6.68 6.72 6.70
SR02 6.32 6.33 6.34 6.35
SR03 6.55 6.54 6.57 6.59
SR04 6.79 6.88 6.79 6.87
SR05 6.57 6.60 6.46 6.36
SR06 6.43 6.47 6.59 6.53
FM01 5.82 5.98 5.87 5.91
IR01 6.24 5.91 6.25 6.25
RB01 6.78 6.83' 6.84 6.83
RH01 6.19 6.33 6.21 6.20
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Oxygen (mg/L)
STATION , RUN1 ' RUN 2 RUN 3 RUN4 RUNS
SR01 ! 9.50 9.40 ; 12.1 11.6 10.0
SR02 8.20 8.40i
10.00 9.60 8.35
SR03 7.35i
7.80 10.00 , 9.50 7.90
* L SR°iAbove Dam ,
7-50 8.20 10.50 9.50 7.50
SR04 Below Dam
7.50 ! 8.30 10.00 9.40 8.08
SR05 7.55 8.40 8.75 8.10 7.00
SR06 Above Dam
5.60 7.85 8.40 8.30 6.45
SR06 Below Dam
7.50 8.20 8.50 8.30 8.05
FM01 7.10 7.80 8.95 8.60 7.70
IR01 7.35 8.10 9.35 8.90 8.15
RB01 7.50 7.70 9.70 9.10 7.90
RH01 7.45 8.40 9.80 9.11 7.75
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Temperature (°C)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 15.5 17.5 18.0 16.0
SR02 17.0 19.0 21.3 18.0
SR03 : 17.2 18.0 19.5 17.5
SR04 22.1 25.0 24.3 23.5
SR05 , 21.0 23.0 22.8 19.0
SR06 i 21.5 26.0 24.0 22.0
FM01 ! 19.2 20.0 21.8 19.5
IR01 i 18.0 20.0 20.0 18.0
RB01 ii 21.0 23.0 '24.3 21.0
RH01 16.9 19.0 20.5 17.8
RUN 5
15.0
17.2
16.7
22.2
18.0
21.8
; 18.5
17.5
1 20.5
17.0
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Conductivity (umhos/cm)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
80
62
115
110
127
132
115
161
158
68
RUN 2
70
52
125
120
135
140
400
180
170'
85
RUN 3
82
68
115
125
148
137
121
170
162
70
RUN 4
72
63
109
105
150
125
112
165
160
69
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Stage rebar (ft)
STATION RUN1 RUN 2 RUN 3
SR01 t t t
SR02 1.23 1.25 1.29
SR03 1.67 1.68 1.66
SR04 t t t
SR05 1.06 1.06 1.34
SR06 t t t
FM01 1.85 1.87 1.88
IR01 t t t
RB01 1.26 1.27 1.31
RH01 2.94 2.95 2.98
t Not taken on that run
RUN 4
t
1.30
1.59
t
1.40
t
1.90
t
1.30
3.01
RUN 5
t
1.28
1.53
t
1.45
t
1.89
t
1.30
3.01
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Stage bridge (upstream) (ft)
STATION RUN1
SR01 1.62
SR02 1.63
SR03 3.93
SR04 1.64
SR05 21.5
SR06 1.87
FM01 9.75
IR01 4.84
RB01 4.79
RH01 5.70
RUN 2
1.66
1.64
3.92
1.64
21.5
1.88
9.78
4.84
4.80
5.70
' RUN 3
1.69
1.67
3.92
1.60
21.7
| 2.05
9.76
4.85
"4.80
5.73
RUN 4
1.68
1.69
3.85
1.53
21.9
i 2.18
9.78
4.85
4.81
5.76
RUNS
1.67
1.68
3.79
1.48
21.9
2.23
9.77
4.86
4.81
5.76
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Flows (cfs)
STATION RUN1* RUN 2* RUN 3* RUN 4* RUN 5* MEASURED
SR01 0.54 048 045 046 047 0 30 (0940)
SR02 239 222 191 1 84 1 98 1 84 (1000)
SR03 756 737 ||||8gg8w3|i£3J|&$p|JssiiiJMg^Jggsa
898 (1210)
SR04
SR05
877
11.4
883
11.4
;§ 1111111 KII
=SR05-LR01 -RB01
792 (1610)
SR06 11.4 10.8 949 (1645) I^^^^P^W ™ffiF
FM01 2.03 1.89 1.82 170 1.79 0 54 (1040)
IR01 0.51 051 0.48 0.48 0.47 066 (1545)
RB01 2.11 2.05 2.05 1.99 1.99 1 89 (1325)
RH01 0.23 0.23 0.19 0.15 0.15 0.10 (1120)
* The flows in Runs 1-5 were calculated usina the Staee-Ducharee relationships.
Shaded areas represent unsteady flow conditions at SR04.
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Time (hrs)
STATION i RUN1 ; RUN 2 RUN 3
SR01 0605 1210 1805
SR02 0615 i 1230 1820
SR03 0635 1300 1840
SR04 0705 1345 1910
SR05 0745 1410 1930
SR06 0755 1425 1950
FM01 0625 1250 1830
IR01 0735 1400 1925
RB01 0815 1330 "2000
RH01 0065 1315 1855
RUN4
0010
0025
0055
0130
0150
0210
0035
0135
0215
0230
RUN 5
0640
0700
0720
0740
0810
0820
0710
0800
0830
0725
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Calcium (mg/L)
STATION RUN 1 RUN 2
SR01 2.35 2.43
SR02 2.56 2.38
SR03 , 4.55 4.45
SR04 4.10 4.08
SR05 4.90 4.78
SR06 5.06 5.06
FM01 2.86 2.83
IR01 6.40 6.59
RB01 6.23 5.73'
RH01 1.86 1.55
RUN 3
2.51
2.50
4.36
4.33
5.70
5.06
3.01
6.49
5.85
1.64
RUN 4
2.60
2.63
4.80
4.29
| 6.57
. 5.43
3.24
! 6.85
j 6.62
2.02
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Magnesium (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 1.03 1.05 1.10 1.17
SR02 1.10 1.06 1.09 1.16
SR03 1.85 1.82 1.76 1.87
SR04 1.61 1.61 1.66 1.67
SR05 1.83 1.80 1.97 2.34
SR06 1.87 1.88 1.84 1.92
FM01 1.28 1.24 1.32 1.41
IR01 2.10 2.16 2.15 2.25
RB01 2.15 2.15" 2.16 2.31
RH01 0.76 0.71 0.73 0.78
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Chromium
RUN 4
0.32
0.29
0.31
0.38
0.32
0.43
1 0.32
j 0.23
; 0.19 1 0.20
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
1.48
0.27
0.35
0.24
0.39
0.64
0.29
0.44
1.19
0.38
RUN 2
0.41
0.29
0.35
0.29
0.28
0.31
0.30
0.46
0.22
0.19
RUN 3
0.30
0.29
0.26
0.31
0.34
0.57
0.36
0.57
0.21
0.17
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Chromium (ng/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN 1
0.02
ND
0.03
ND
ND
ND
ND
0.17
ND
ND
RUN 2
0.01 '
0.08
ND
ND
i
;
ND
ND
ND
0,17
ND
ND
RUN 3
ND
ND
ND
ND
ND
ND
ND
0.19
ND
ND
RUN 4
ND
ND
ND
ND
ND
ND
ND
ji ND
: ND
! ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Nickel (ng/L)
STATION RUN1 RUN 2
SR01 0.60 0.15
SR02 0.36 0.18
SR03 , 0.62 0.54
SR04 0.15 0.54
SR05 0.64 0.80
SR06 0.76 0.42
FM01 0.72 0.87
IR01 1.47 ,39
RB01 0.60 0.66
RH01 0.52 0.57
RUN 3
0.19
0.44
0.27
0.43
0.68
0.78
0.40
1.86
0.22
0.27
RUN 4
0.44
0.26
0.54
0.46
0.67
0.53
0.81
1.00
0.17
1.69
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Nickel (ng/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN 1
0.21 '
0.15 j
0.41 ;
0.07
0.44
0.52
0.53
1.31
0.22
0.32
RUN 2
0.00
ND
0.37
0.39
0.60
0.24
0.55
1.06
0.00
0.27
RUN 3
ND
i 0.28
0.13
0.26
0.51
0.33
0.67
1.52
0.10
0.15
RUN 4
0.23
0.09
0.33
0.28
0.50
0.36
1 0.58
1 0.89
j 0.02
! 0.15
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Copper (^g/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.97 1.38 1.44 1.40
SR02 0.98 0.74 2.06 1.30
SR03 1.17 1.36 0.91 0.69
SR04 0.92 1.09 1.07 1.34
SR05 2.85 3.82 2.41 6.64
SR06 2.71 1.98 1.81 1.69
FM01 1.28 1.30 1.64 2.05
IR01 3.29 3.92 3.94 2.49
RB01 1.03 1.16 1.32 1.10
RH01 1.23 1.71 0.70 1.30
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Copper (|ag/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN 1
0.97
0.98
1.17
0.92
2.85
2.71
1.28
3.29
1.03
1.23
RUN 2
1.38
0.74
1.36
1.09
3.82
1.98
1.30
3.92
1.16
1.71
RUN 3
1.44
2.06
0.91
; 1.07
2.41
1.81
1.64
3.94
1.32
0.70
RUN 4
1.40
1.30
0.69
1.34
6.64
1.69
2.05
2.49
1.10
1.30
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Lead (ng/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 1.92 0.58 0.38 1.42
SR02 0.75 0.27 0.53 0.49
SR03 0.58 0.27 0.90 0.61
SR04 0.43 0.37 1.07 0.52
SR05 0.88 1.33 j .44 0.95
SR06 0.73 0.73 1.86 0.85
FM01 1.32 1.00 3.49 1.83
IR01 1.30 0.41 2.31 0.34
RB01 1.48 0.81 0.83 0.46
RH01 1.78 0.24 0.41 0.82
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.53 0.23 0.08 0.98
SR02 0.30 ND 0.36 0.20
SR03 ND ND 0.58 ND
SR04 ND 0.03 0.61 0.14
SR05 0.54 0.52 0.95 0.57
SR06 0.22 0.38 1.30 0.34
FM01 0.88 0.49 2.72 0.71
IR01 0.69 0.13 1.67 0.14
RB01 0.28 0.55 0.57 0.05
RH01 1.28 ND 0.19 0.64
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Cadmium
STATION , RUN1 RUN 2
SR01 0.45 0.42
SR02 0.59 0.50
SR03 0.42 0.46
SR04 0.40 0.43
SR05 0.41 0.42
SR06 0.44 0.43
FM01 0.44 0.49
IR01 0.45 0.33
RB01 0.40 0.36
RH01 0.33 0.37
RUN 3
0.45
0.43
0.40
0.45
0.46
0.45
0.43
0.29
0.33
0.33
RUN 4
0.44
0.40
0.56
0.40
0.51
0.42
0.45
0.35
0.36
0.33
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Cadmium (jag/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
RUN 2
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
RUNS
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
RUN 4
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Total Zinc
RUN 4
9.85
9.61
5.06
4.81
8.59
7.02
1 18.30
1 16.62
i 3.96 I i 4.56
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
3.49
3.83
18.65
0.89
10.32
12.94
5.23
25.48
9.62
6.70
RUN 2
0.52
2.12
3.05
3.85
13.55
8.69
5.37
25.60
4.01
7.80
RUN 3
2.51
12.36
10.49
8.48
0.75
12.24
29.39
21.46
3.93
5.56
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 2
10 July 1996
CONSTITUENT: Dissolved Zinc (ng/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
3.63
2.94
2.60
2.77
9.93
12.55
4.86
24.53
4.80
6.06
, RUN 2
2.74
1.81
2.73
3.64
12.33
8.32
4.92
20.86
3.74
7.67
RUN 3
2.18
10.43
9.76
8.03
12.92
11.84
28.63
18.57
3.72
5.35
RUN 4
8.76
9.28
4.33
4.61
8.21
6.61
16.89
16.38
3.53
4.47
DRY WEATHER SURVEY 3 (DWS3) October 27, 1996
Runs Schedule Runl - 0630 - October 27, 1996 Run 2 - 1145 - October 27,1996 Run 3 - 1810 - October 27, 1996 Run 4- 0010 - October 28, 1996 Run 5 - 0630 - October 28, 1996
(DO Measurement only)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Fecal Coliform (FC/100 ml)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
8
6
20
10
140
110
29
27
18
58
RUN 2
160
3
11
8
98
110
54
16
13
24
RUN 3
11
21
25
11
150
91
31
12
17
50
RUN 4
6
6
15
7
160
68
40
6
18
63
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Suspended Solids (mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
7.66
1.48
2.12
2.36
2.16
2.36
1.22
2.20
1.36
1.56
; RUN 2
5.40
1.14
2.38
3.64
2.00
2.56
! 1.32
1.70
1.24
1.18
RUN 3
9.20
2.92
1.62
1.68
2.82
2.68
0.92
2.02
1.90
1.04
RUN 4
1.66
1.40
2.82
2.08
2.62
4.53
2.16
2.22
1.86
0.90
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY3
27 October 1996
CONSTITUENT: Volatile Suspended Solids (mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
4.00
1.04
1.42
1.74
1.60
1.74
1.06
1.68
1.12
1.04
RUN 2
2.90
0.84
1.54
1.68
1.36
1.58
1.16
1.14
0.74
0.74
RUN 3
2.88
1.46
1.44
1.48
1.66
1.88
0.84
1.50
1.16
0.90
RUN 4
1.32
1.36
1.96
1.60
1.96
1.88
1.76
1.64
1.02
0.66
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY3
27 October 1996
CONSTITUENT: BOD7(mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
0.95
1.23
1.50
2.40
2.38
2.35
1.55
1.88
1.15
1.18
RUN 2
0.60
0.75
1.18
2.30
1.98
1.75
1.23
1.50
1.15
1.08
RUN 3 RUN 4
0.53 0.78
0.95 0.85
0.98 1.23
1.68 1.65
2.35 2.35
1.93 | 1.78
1.05 1.10
1.58 i
1.48
1.13 1 1.13
1.10 1.00
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Ammonia (mg/L)
STATION RUN1 RUN 2
SR01 ND ND
SR02 0.013 0.012
SR03 0.477 0.397
SR04 0.148 0.140
SR05 0.099 0.113
SR06 0.104 0.102
FM01 0.022 0.018
IR01 0.030 0.031
RB01 0.021 0.022
RH01 0.100 ND
ND » Not Detectable (Detection Limit = 0.0050 mg/L)
RUN 3
ND
ND
0.386
0.161
0.082
0.093
0.018
0.023
0.014
ND
RUN 4
ND
0.020
0.295
0.137
0.140
0.097
0.019
0.031
0.014
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Nitrates as N (mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
ND = Not Detectable
RUN1
0.083
0.130
0.170
0.023
0.215
0.290
0.335
0.208
0.278
ND
(Detection Limit
RUN 2
0.058
0.143
0.240
0.070
0.240
0.338
0.300
0.208
0.190
ND
0.010 mg/L)
RUN 3
0.120
0.190
0.180
0.048
0.290
0.373
0.250
0.230
0.190
ND
RUN 4
0.090
0.200
0.265
0.050
0.268
0.370
0.163
0.265
0.200
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Phosphate as P (mg/L)
RUN 3
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
RUN 4
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN 1
ND
ND
ND
ND
' ND
ND
ND
ND
ND
ND
RUN 2 ,
ND
ND
NDI
ND
ND i
ND
ND
ND
ND
ND
ND = Not Detectable (Detection Limit = 0.010 mg/L)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: TKN(mg/L)
STATION RUN1 RUN 2 ' RUN 3 RUN 4
SR06 0.770 0.805 0.762 0.769
CONSTITUENT: TP(mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR06 , ND ND ; ND , ND
ND = Not Detectable (Detection Limit» 0.010 mg/L)
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Chloride (mg/L)
STATION : RUN1 i RUN 2 RUN 3 RUN 4
SR01 i 17.7 16.9 i 19.4 19.3
SR02
SR03 .
18.8
23.1 i
17.1
22.4i
17.5
22.7
17.5
20.7
SR04
SR05
SR06
!i i
20.6
27.7
24.7
i1
!
20.0
24.2
27.8
! 20.1
27.4
25.3
ii
,
20.8
24.6
25.9
FM01
IR01
1
j
26.5
33.0
25.0
32.6
25.6
33.3
'i !
26.3
34.3
RB01 ,i 31.7 31.7 32.4 i 31.5
RH01 ! 15.8 16.3 16.0 18.0
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Sodium (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 10.2 9.92 10.6 10.8
SR02 9.05 8.08 8.55 8.62
SR03 11.0 10.7 11.2 11.3
SR04 10.1 9.76 9.82 9.69
SR05 11.8 11.4 12.0 12.2
SR06 12.3 11.9 12.2 12.5
FM01 12.3 11.9 12.6 12.2
IR01 15.8 15.7 16.0 16.1
RB01 16.0 15.8 16.2 16.4
RH01 8.25 7.76 8.45 8.28
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Chlorophyll a (jig/L)
RUN 4
0.06
0.10
0.16
0.22
0.21
0.27
1 0.17
0.24
0.18
, 0.05
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
0.05
0.16
0.18
0.41
0.33
i 0.40
0.29
i 0.11
1 0.34 i
! 0.11
RUN 2
0.03
0.11
0.09
0.42
0.37
0.41
0.34
0.22
0.32
0.05
RUN 3
0.17
0.20
0.07
0.18
0.13
0.12
0.17
0.00
0.09
0.08
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: pH
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
RUN1
6.24
6.08
6.17
6.03
6.19
j 6.13
: 4.97
! 5.98
j 6.40
! 6.01
RUN 2
6.30
6.11
6.16
6.02
6.21
6.16
5.01
6.03
6.74
6.17
RUN 3
6.23
6.10
6.20
6.05
6.22
6.18
5.12
6.01
6.52
6.16
RUN 4
6.40
6.20
6.22
6.12
6.33
6.22
; 5.32 ! 6.08
' 6.54
6.20
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Oxygen (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUNS
SR01 10.0 9.90 9.20 9.25 10.6
SR02 9.00 10.0 9.90 9.20 9.80
SR03 9.10 9.70 9.40 8.75 9.15
SR04 Above Dam
6.15 6.40 6.80 6.10 6.00
SR04 Below Dam
9.85 9.75 9.70 9.50 9.40
SR05 9.50 9.60 9.80 9.40 8.85
SR06 Above Dam
8.00 8.40 8.80 8.20 7.65
SR06 Below Dam
9.75 9.90 10.1 10.0 9.15
FM01 8.25 8.90 8.00 7.80 8.50
IR01 9.70 9.40 9.70 9.60 8.90
RB01 9.70 9.20 9.70 9.50 8.85
RH01 10.0 10.2 9.80 9.20 9.85
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Temperature (°C)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUN 5
SR01 10.0 12.2 12.0 12.0 12.0
SR02 9.20 11.8 13.0 12.0 12.0
SR03 9.50 11.0 12.0 12.8 12.2
SR04 11.8 13.0 13.0 12.0 13.0
SR05 10.5 13.5 13.0 12.5 12.8
SR06 11.2 12.5 14.0 13.0 12.8
FM01 9.80 11.8 13.0 12.8 12.5
IR01 10.0 13.0 12.5 12.0 12.0
RB01 11.2 13.5 14.0 13.8 13.8
RH01 9.20 12.0 13.0 12.5 i 12.5 \
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Conductivity (umhos/cm)
STATION RUN1 . RUN 2 RUN 3 RUN 4 RUN 5
SR01 70 65 35 62 65
SR02 60 60 59 60 58
SR03 75 75 79 79 80
SR04 70 70 70 70 70
SR05 80 85 90 85 82
SR06 80 85 92 i 88 88
FM01 72 70 72 1 71 1
75
IR01 98 105 110 ii 100 i 62
RB01 98 105 110 ii 108 ' 108
RH01 50 55 53 1 51 ! 50
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Stage rebar (ft)
STATION RUN1 RUN 2 RUNS RUN 4 RUN 5
SR01 t t 0.76 t 0.80
SR02 1.00 1.00 1.00 1.00 0.99
SR03 1.27 1.27 1.27 1.27 1.28
SR04 t t 1.17 1.18 1.17
SR05 0.87 0.87 0.88 0.87 0.88
SR06 t t t 0.34 0.34
FM01 1.49 1.49 1.51 1.52 1.53
IR01 t t t t t
RB01 1.12 1.12 1.13 1.13 1.13
RH01 2.62 2.62 2.64 2.63 2.64
t Not taken on that run
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Stage bridge (upstream) (ft)
STATION RUN1 RUN 2 RUN 3 RUN 4 RUN 5
SR01 1.62 1.62 1.61 1.64 1.63
SR02 t t 1.40 1.38 1.39
SR03 3.54 3.55 3.54 3.47 3.54
SR04 1.51 1.50 1.56 t 1.57
SR05 21.3 21.3 21.3 21.4 21.3
SR06 1.72 1.72 1.73 1.74 1.73
FM01 9.43 9.42 9.40 9.40 9.42
IR01 4.40 4.41 4.42 4.44 4.44
RB01 4.69 4.70 4.69 4.68 4.70
RH01 5.40 5.41 5.41 5.41 5.42
t Not taken on that run
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Flows (cfs)
STATION RUNT RUN2< RUN 3* RUN 4* RUN 5 * MEASURED 1 o/i 9/96
SR01 054 054 0.55 051 052 0 605 (0900)
SR02 556 556 556 556 576 4 345 (0930)
SR03 198 198 198 198 194 16581 (1100)
SR06 260 260 246 233 24.6 Not flow gaged
FM01 695 695 6.50 629 608 6928 (1015)
ER01 716 675 636 566 566 Not flow gaged
RB01 2.81 2.73 2.81 2.89 2.73 Not flow gaged
RH01 1.75 164 1.64 1.64 1 53 2 181 (1045)
* The flows in Runs 1-5 were calculated using the Stage-Discharge relationships. Shaded areas represent data under review
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Time (hrs)
STATION RUN1 RUN 2 RUN 3 RUN4 RUN 5
SR01 0630 1145 1810 0010 0630
SR02 0650 1155 1820 0025 0650
SR03 0700 1215 1845 0045 0700
SR04 0720 1300 1920 0115 0720
SR05 0745 1330 1955 0155 0745
SR06 0755 1340 2010 0205 0755
FM01 0655 1205 1830 0035 0655
IR01 0740 1315 1940 0135 0740
RB01 0750 1350 2015 0145 0750
RH01 0710 1230 1905 0100 0710
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Magnesium (mg/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.76 0.81 0.79 1.17
SR02 0.99 1.00 0.93 1.16
SR03 1.32 1.28 1.27 1.87
SR04 1.21 1.21 1.13 1.67
SR05 1.39 1.41 1.34 2.34
SR06 1.47 1.45 1.40 1.92
FM01 0.97 0.93 0.90 1.41
IR01 1.66 1.65 1.57 2.25
RB01 1.78 1.78 1.73 2.31
RH01 0.77 0.71 0.66 0.78
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Calcium (mg/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
• RUN1
i 1.37
1.58
: 1.29
; 1.23
1.51
1.82
0.82
1.88
2.58
0.86
' RUN 2
0.83
, 1.01
1.39
1.30
,i 1.70
1.85
0.84
2.08
2.59
0.88
RUN 3 RUN 4
0.82 0.83
0.99 1.01
1.39 1.39
1.24 1.34
1.69 1.79
1.70 1.77
0.79 0.81
1.93 2.03
2.44 2.52
0.77 0.83
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Chromium
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 0.08 0.10 ND ND
SR02 0.16 0.07 ND ND
SR03 0.29 0.14 ND ND
SR04 0.19 0.09 ND ND
SR05 0.12 0.09 ND ND
SR06 0.08 0.10 ND ND
FM01 0.10 0.09 ND ND
IR01 0.28 0.20 ND ND
RB01 0.10 0.09 ND ND
RH01 0.08 0.12 ND ND
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Chromium (ng/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
ND = Not Detectable
RUN1 RUN 2
ND ND
0.06 ND
ND ND
ND ND
ND ND
ND 0.02
0.00 ND
0.14 0.11
ND ND
ND ND
; RUN 3
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
RUN 4
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Nickel fag/L)
STATION RUN1 ! RUN 2 RUN 3 RUN 4
SR01 0.07 , 0.17 ND 0.68
SR02i
0.07 (
0.29 0.21 2.12
SR03 0.59 ,i 0.56 0.28 0.64
SR04 0.54 0.59 0.66 0.63
SR05 0.81 0.50 0.77 0.69
SR06 0.55 2.38 0.51 0.87
FM01 0.44 0.66 0.48 0.86
IR01 1.05 1.29 1.09 1.33
RB01 0.20 0.28 0.31 0.08
RH01 0.47 0.93 0.28 0.19
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Nickel (^ig/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 ND 0.09 ND ND
SR02 ND 0.23 0.21 0.22
SR03 0.46 0.37 0.10 0.51
SR04 0.36 0.52 0.56 0.47
SR05 0.71 0.43 0.77 0.49
SR06 0.40 2.30 0.50 0.59
FM01 0.35 0.55 0.32 0.32
IR01 0.86 1.22 1.03 1.42
RB01 0.11 0.12 0.31 0.44
RH01 0.35 0.36 0.30 0.28
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Copper
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
ND = Not Detectable
RUN1
1.61
2.09
2.03
3.57
7.74
2.73
2.07
2.52
1.93
1.90
RUN 2
2.81
1.77
2.36
2.33
2.36
2.72
2.40
2.46
2.31
2.84
RUN 3
1.29
2.05
1.69
1.54
2.60
1.72
2.30
1.89
2.00
2.39
RUN 4
0.92
2.64
2.17
1.58
2.86
3.54
2.02
2.38
1.69
1.49
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dbsolved Copper fag/L)
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 1.61 2.81 1.29 0.59
SR02 2.01 1.77 1.92 2.64
SR03 2.03 2.36 1.56 1.78
SR04 3.57 2.33 1.49 1.28
SR05 7.74 2.36 2.25 2.86
SR06 2.73 2.72 1.56 3.54
FM01 2.07 2.40 2.30 2.02
IR01 2.52 2.46 1.86 2.38
RB01 1.93 2.31 1.69 1.60
RH01 1.90 2.84 1.39 0.90
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Lead (ng/L)
STATION RUN1 RUN 2 RUNS RUN 4
SR01 ND ND ND ND
SR02 ND ND ND ND
SR03 ND 0.15 ND 0.44
SR04 ND ND 0.08 ND
SR05 29.99 ND 1.13 2.04
SR06 0.17 1.58 ND 8.19
FM01 0.60 ND 0.11 1.63
IR01 0.21 ND ND 1.32
RB01 0.03 ND ND ND
RH01 ND ND ND ND
ND Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Lead (^g/L)
STATION
SR01
SR02
SR03
SR04
SR05
SR06
FM01
IR01
RB01
RH01
ND = Not Detectable
RUN 1
ND
ND
ND
ND
29.76
0.13
0.60
ND
ND
ND
RUN 2
ND
ND
, 0.15
ND
ND
1.36
ND
ND
ND
ND
RUN 3
ND
0.11
ND
0.53
0.11
ND
0.11
ND
ND
ND
RUN 4
ND
ND
ND
ND
2.04
8.19
1.63
1.32
ND
ND
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Cadmium (ng/L)
STATION RUN1 \ RUN 2 RUN 3 RUN 4
SR01 ND ND ND ND
SR02 , ND ND ND ND
SR03 ND ND ND ND
SR04 ND ND ND ND
SR05 ND ND ND ' ND
SR06 ND ND ND ND
FM01 ND ND ND ND
IR01 ND ND ND ND
RB01 ND ND ND ND
RH01 ND ND ND ND
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Cadmium (ng/L)
!STATION RUN1 RUN 2 RUNS RUN 4
SR01 ND ND ND ND
SR02 ND ND ND ND
SR03 ND ND i ND ND
SR04 ND ND ND ' ND
SR05 ND ND NDi
ND
SR06 ND ND ND ND
FM01 ND ND ND ND
IR01 ND ND ND ND
RB01 ND ND ND ND
RH01 ND ND ND ND
ND = Not Detectable
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Total Zinc
STATION RUN1 ' RUN 2 RUN 3 RUN 4
SR01 4.40 5.76 4.06 2.97
SR02 6.11 4.94 4.99 6.12
SR03 6.77 13.72 7.33 11.28
SR04 8.39 6.96 6.55 11.88
SR05 20.08 8.15 14.57 12.17
SR06 9.30 21.17 7.46 12.28
FM01 5.89 7.15 5.20 8.01
IR01 14.47 14.71 15.06 16.01
RB01 6.38 6.32 6.53 7.36
RH01 7.21 10.11 6.27 4.10
SAUGATUCKET RIVER STUDY DRY WEATHER SURVEY 3
27 October 1996
CONSTITUENT: Dissolved Zinc
STATION RUN1 RUN 2 RUN 3 RUN 4
SR01 4.32 5.66 3.90 2.48
SR02 6.00 4.94 4.99 6.12
SR03 6.66 13.48 7.33 9.42
SR04 8.06 6.96 6.55 11.88
SR05 19.94 8.12 13.09 12.17
SR06 9.26 20.77 6.60 12.28
FM01 5.89 7.03 5.20 8.01
IR01 14.02 14.66 13.25 16.01
RB01 6.19 6.12 5.93 6.86
RH01 7.21 10.06 4.61 4.00
WET WEATHER WATER QUALITY SURVEY
DATA
WET WEATHER SURVEY 1 (WWS1) April 28, 1997
Runs Schedule Base - 1920 - April 27, 1997 Run 1-0400-April 28, 1997 Run 2 - 0550 - April 28,1997 Run 3 - 0730 - April 28,1997 Run 4 - 0930 - April 28,1997 Run 5 - 1200 - April 28, 1997 Run 6 - 1405 - April 28,1997 Run 7 - 1605 - April 28,1997 Run 8-1815-April 28, 1997 Run 9 - 2200 - April 28, 1997 Run 10 - 0820 - April 29, 1997 Run 11 - 1820 - April 29, 1997
Rainfall Total Rainfall: 0.64 in
Average Intensity: 0.02 in/hour
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WET WEATHER SURVEY 2 (WWS2) August 21, 1997
Runs Schedule Base - 1705 - August 20, 1997 Run 1 - 0350 - August 21,1997 Run 2 - 0515 - August 21, 1997 Run 3 - 0740 - August 21, 1997 Run 4 - 1015 - August 21, 1997 Run 5 - 1210 - August 21, 1997 Run 6 - 1500 - August 21, 1997 Run 7 - 2305 - August 21, 1997 Run 8 - 1010 - August 22,1997 Run 9 - 1635 - August 22, 1997 Run 10 - 2300 - August 22, 1997 Run 11 - 0615 - August 23, 1997
Rainfall Total Rainfall: 0.19 in
Average Intensity: 0.01 in/hour
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Runs Schedule Base - 2310 - September 28,1997 Run 1 - 0020 - September 29,1997 Run 2 - 0240 - September 29,1997 Run 3 - 0510 - September 29, 1997 Run 4 - 0715 - September 29,1997 Run 5 - 1000 - September 29,1997 Run 6 - 1200 - September 29,1997 Run 7 - 1805 - September 29, 1997 Run 8 - 0645 - September 30,1997
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Average Intensity: 0.02 in/hour
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