COWETA COUNTY WATER & SEWERAGE AUTHORITY (SHENANDOAH WPCP)
NPDES ID: GA0038822
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 6 effluent violations.
Violations
May 31, 2026
Phosphorus, total [as P]
16% over limit
Discharged 1.16 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
15% over limit
Discharged 1.72 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
41% over limit
Discharged 13.34759989 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
21% over limit
Discharged 11.4407999 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
39% over limit
Discharged 1.39 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
35% over limit
Discharged 2.028 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Phosphorus, total [as P]
48% over limit
Discharged 14.00589988 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
7% over limit
Discharged 8.13113993 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
45% over limit
Discharged 2.18 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
36% over limit
Discharged 1.359 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
100% over limit
Discharged 20.04 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
204% over limit
Discharged 28.89255976 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
402% over limit
Discharged 5.016 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1524% over limit
Discharged 24.367 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 116.01515903 kg/d against a permitted limit of 75.72719936 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
283% over limit
Discharged 29.03783976 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
44% over limit
Discharged 10.90053991 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1488% over limit
Discharged 150.65989873 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
212% over limit
Discharged 4.673 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 410 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
279% over limit
Discharged 43.12 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
246% over limit
Discharged 51.84 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
88% over limit
Discharged 1.883 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
239% over limit
Discharged 320.53307731 kg/d against a permitted limit of 94.6589992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 1706.31 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY GEO)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, suspended percent removal
322% over limit
Discharged 36.67 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
16% over limit
Discharged 52.53687956 kg/d against a permitted limit of 45.44539962 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 128.59549892 kg/d against a permitted limit of 94.6589992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
32% over limit
Discharged 19.85 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
13% over limit
Discharged 8.11 mg/L against a permitted limit of 7.2 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 12.39 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 10.63721991 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
9% over limit
Discharged 1.642 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
22% over limit
Discharged 18.33 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 10.82 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
26% over limit
Discharged 118.957079 kg/d against a permitted limit of 94.6589992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Zinc, total recoverable
426% over limit
Discharged 0.72000003 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
426% over limit
Discharged 0.72000003 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
116% over limit
Discharged 67.58 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
22% over limit
Discharged 4.68 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
October 31, 2025
Zinc, total recoverable
24% over limit
Discharged 0.17000001 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
24% over limit
Discharged 0.17000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
105% over limit
Discharged 19.45389984 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
20% over limit
Discharged 1.196 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 3 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
16% over limit
Discharged 82.63 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 7.60903994 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
197% over limit
Discharged 1216.62 MPN/100mL against a permitted limit of 410 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, suspended percent removal
35% over limit
Discharged 79.68 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1% over limit
Discharged 46.04013961 kg/d against a permitted limit of 45.44539962 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
122% over limit
Discharged 2.22 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
86% over limit
Discharged 14.10123988 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
506% over limit
Discharged 57.46277952 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
430% over limit
Discharged 7.95 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
282% over limit
Discharged 28.97427976 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1185% over limit
Discharged 121.89899898 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
182% over limit
Discharged 1128.97 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
321% over limit
Discharged 4.212 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
984% over limit
Discharged 16.26 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
147% over limit
Discharged 1010.66 MPN/100mL against a permitted limit of 410 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 75 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
50% over limit
Discharged 14.21019988 kg/d against a permitted limit of 9.48859992 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 44.7 MPN/100mL against a permitted limit of 20 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
45% over limit
Discharged 2.177 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
115% over limit
Discharged 161.6 MPN/100mL against a permitted limit of 75 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
717% over limit
Discharged 613.1 MPN/100mL against a permitted limit of 75 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
Zinc, total recoverable
152% over limit
Discharged 2.61503998 kg/d against a permitted limit of 1.03965999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
17% over limit
Discharged 0.16000001 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
17% over limit
Discharged 0.16000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
152% over limit
Discharged 2.61503998 kg/d against a permitted limit of 1.03965999 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Zinc, total recoverable
2% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
9% over limit
Discharged 1.13045999 kg/d against a permitted limit of 1.03965999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
9% over limit
Discharged 1.13045999 kg/d against a permitted limit of 1.03965999 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Zinc, total recoverable
104% over limit
Discharged 0.28000001 mg/L against a permitted limit of 0.13700001 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
104% over limit
Discharged 0.28000001 mg/L against a permitted limit of 0.13700001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)