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Innovative/Alternative Septic System Performance
System Performance and Tracking it with the Carmody
Database
Barnstable County Department of Health and Environment
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By The NumbersPermit Breakdown by System Type and Year Permitted
System Type Number Percent
FAST 57 38%
Advantex 27 18%
Septitech 22 15%
Bioclere 14 9%
Waterloo Biofilter 12 8%
Singulair 6 4%
RSF 4 3%
Clivus 2 1%
Amphidrome 1 1%
CERES III 1 1%
Nitrex 1 1%
Puraflo 1 1%
Total 149
Year Number Percent
2011 0 0%
2010 10 7%
2009 9 6%
2008 7 5%
2007 18 12%
2006 19 13%
2005 21 14%
2004 16 11%
2003 10 7%
2002 12 8%
2001 7 5%
2000 14 9%
Pre-2000 6 5%
Numbers are for the town of Eastham only.
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By The NumbersPermit Breakdown by Residency, Permit Type and Installation Status
Permit Type Number Percent
General 71 48%
Provisional 41 28%
Remedial 30 20%
Pilot 5 3%
Status Count Percent
Installed
Yes 125 85.0%
No 8 5.4%
Unknown 14 9.5%
Started Up
Yes 121 82.3%
No 9 6.1%
Unknown 17 11.6%
Numbers are for the town of Eastham only.
Match Count Percent
Site and Mailing Address Match
Yes 39 26%
No 110 74%
Site and Mailing City Match
Yes 52 35%
No 97 65%
Site and Mailing State Match
Yes 108 72%
No 41 28%
Installation StatusResidency
DEP Permit Type
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Box-Whisker Diagrams
50%
Probability Density Graph (“Bell Curve”)
Median – Middle Value
Min/Max ValueBox
Whiskers
What are they?
Min/Max Value
25% 25%
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0
10
20
30
40
50
60
Box-Whisker DiagramsWhat Can We Use Them For?
A B C D
A – A “Good” System. Box and whiskers are short and compact.
B – A “Bad” System. Results are all over the place. Box and whiskers are stretched out.
C – A “Consistently Bad” System. Compact but well above TN limit (19 mg/l)
D – A “Usually Pretty Good” System. Compact but maybe a couple of high results.
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Single Family all Types by Individual System
0
20
40
60
80
100
120
140
Individual Systems
To
tal
Nit
rog
en
(m
g/l
)
Three or More Samples with Full Nitrogen Series
•75 systems with 3 or more TN samples
•46 of 75 (61%) with median TN <19 mg/l
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Single Family all Types by System TypeThree or More Samples with Full Nitrogen Series
0
20
40
60
80
100
120
140
Clivus Advantex Waterloo Biofilter Bioclere Singulair FAST Septitech
System Type
To
tal
Nit
rog
en
(m
g/L
)
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0
20
40
60
80
100
120
140
Individual Systems
To
tal
Nit
rog
en
(m
g/l
)
Single Family FASTThree or More Samples with Full Nitrogen Series
•41 systems with 3 or more TN samples
•27 of 41 (66%) with median TN <19 mg/l
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0
10
20
30
40
50
60
70
80
Individual Systems
To
tal
Nit
rog
en
(m
g/l
)
Single Family BioclereThree or More Samples with Full Nitrogen Series
•7 systems with 3 or more TN samples
•5 of 7 (71%) with median TN <19 mg/l
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0
10
20
30
40
50
60
70
Individual Systems
To
tal
Nit
rog
en
(m
g/L
)
Single Family AdvantexThree or More Samples with Full Nitrogen Series
•12 systems with 3 or more TN samples
•10 of 12 (83%) with median TN <19 mg/l
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0
10
20
30
40
50
60
70
80
90
100
Individual Systems
To
tal
Nit
rog
en
(m
g/l
)
Single Family SeptitechThree or More Samples with Full Nitrogen Series
20 Hideaway Lane
0
10
20
30
40
50
60
6/16/06 7/12/06 8/30/06 7/18/07 7/24/08 8/29/08 7/28/09 9/2/09 8/26/10
To
tal
Nit
rog
en (
mg
/l)
20 Huckleberry Lane
0
10
20
30
40
50
60
70
80
90
7/27/04 9/15/04 7/27/05 9/2/09 8/26/10
To
tal
Nit
rog
en (
mg
/l)
26 Longstreet Lane
0
10
20
30
40
50
60
70
80
90
8/24/05 7/12/06 7/12/06 8/30/06 7/18/07 8/30/07 7/29/08 9/8/08 9/2/09
To
tal
Nit
rog
en (
mg
/l)
495 Campground Road
0
10
20
30
40
50
60
70
80
7/24/03 9/12/03 7/27/04 9/15/04 7/20/10
To
tal
Nit
rog
en (
mg
/l)
31R Martha Ave
0
10
20
30
40
50
60
70
80
90
8/30/06 7/18/07 8/30/07 7/29/08 7/28/10
To
tal
Nit
rog
en (
mg
/l)
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Nitrex System at 15 Dory LaneInfluent versus Effluent Total Nitrogen
0
10
20
30
40
50
60
8/6/07 11/14/07 2/22/08 6/1/08 9/9/08 12/18/08 3/28/09 7/6/09 10/14/09 1/22/10
To
tal
Nit
rog
en
(m
g/l
)
Influent TN Effluent TN
Design Flow = 9,900 gpd40 Houses at Buildout30 Houses currently occupied, with 6 seasonal
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Keeping Track of it All…Quickly Identifying Poorly Performing Systems
Sample Reports
Use to obtain a list of the most recent sample exceedances (anything
over 19 mg/l)
Two 25% Exceedances
Use to generate a list of systems with two
samples exceeding 19mg/l by 25% (24mg/l).
One 50% Exceedance
Use to generate a list of systems with one sample
exceeding 19 mg/l by 50% (30 mg/l)
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Keeping Track of it All…Sample Reports Messages
25.83 mg/L > 19mg/L(36%) for Total Nitrogen 1 Consecutive 4 Non-Consecutive (25.83,8.54,43.4,29.35,24.1)
Amount of the Exceedance
Exceedance Percentage
Exceeding Parameter
Number of Consecutive Exceedances
Number of Non-Consecutive Exceedances
Results from the Last Five Samples
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Keeping Track of it All…Quickly Identifying Poorly Performing Systems
Sample Reports
Use to obtain a list of the most recent sample exceedances (anything
over 19 mg/l)
Two 25% Exceedances
Use to generate a list of systems with two
samples exceeding 19mg/l by 25% (24mg/l).
One 50% Exceedance
Use to generate a list of systems with one sample
exceeding 19 mg/l by 50% (30 mg/l)
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Keeping Track of it All…Sample Exceedance Report
List of the last 5 samples
Remove the flag for this system. Will reappear on this list with
another exceedance.
Select the Report Type: 2 over 24mg/l,
1 over 30mg/l or merged report.
Export the current list to MS
EXCEL
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Keeping Track of it All…Exporting the Sample Exceedance Report to EXCEL
System ID Home Owner Municipality Sampling History
EASte595FAS
Savage, Joseph595 Steele RoadEastham,MA Eastham
5.28 10/7/201014.25 7/12/201011.23 10/14/200924.37 7/9/200952.1 8/21/2007
EAR06420ADV
Seatoller LLC, Steve Lang4205 State Highway Route 6Eastham,MA Eastham
28.84 3/9/201132.45 2/1/201145 1/5/2011
EATur265FAS
St. Aubin, Lucille and Carol265 Turnip RoadEastham,MA Eastham
24.03 9/27/201024.03 9/27/201013.49 6/26/200920.94 9/17/200819.5 6/25/200743.1 9/27/2006
EATur245FAS
St. Aubin, Lucille and Carol245 Turnip RoadEastham,MA Eastham
34.92 7/8/201016.87 12/10/20082.94 10/23/200829.9 3/4/200883.5 12/21/2007
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Town of Eastham Sample Exceedance Report - 3/29/2011
System ID Home Owner Municipality Sampling History Median Average StDev
EASam300Sep
Baughman, James and Amanda300 Samoset RoadEastham,MA Eastham
19.61 8/26/201019.61 8/26/201022.56 7/28/201041.37 8/28/200924.44 7/28/200913.73 8/29/2008 21.085 23.55333 9.453086
EASun093Adv
Bechgaard, Candace93 Sunset AvenueEastham,MA Eastham
26.86 2/2/201115.06 7/27/201017.05 4/26/201027.86 1/28/20104.53 8/27/2009 17.05 18.272 9.569957
EAR06418RSF
Brown, Robert4180 Route 6Eastham,MA Eastham
80.6 11/2/201029.31 7/20/200940.1 6/9/200844.5 10/23/200715.3 10/3/2006 40.1 41.962 24.36052
EACam760FAS
Civita, George760 Campground RoadNorth Eastham,MA North Eastham
130.65 11/21/200877 6/9/200856.7 9/18/200723.9 5/14/200740 10/3/2006 56.7 65.65 41.33676
EABri220Bio
Conlin, Kevin220 Bridge RoadEastham,MA Eastham
20.46 1/5/201137.98 7/19/20106.65 1/8/201035.84 7/13/200921.06 1/2/2009 21.06 24.398 12.81631
Keeping Track of it All…“Cleaned Up” Sample Exceedance Report
• Exceedance reports will be delivered quarterly.
• BOH will decide what action to take, since each BOH will likely have a different policy.
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Innovative/Alternative Septic System Performance
System Performance and Tracking it with the Carmody
Database
Barnstable County Department of Health and Environment