SENOIA, CITY OF (KEG CREEK WPCP)

NPDES ID: GA0050298

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 7 effluent violations.

Violations

May 31, 2026

BOD, 5-day, 20 deg. C

58% over limit

Discharged 7.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

71% over limit

Discharged 12.8 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

14% over limit

Discharged 27 kg/d against a permitted limit of 23.7 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

April 30, 2026

BOD, 5-day, 20 deg. C

26% over limit

Discharged 24 kg/d against a permitted limit of 19 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

43% over limit

Discharged 34 kg/d against a permitted limit of 23.7 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

124% over limit

Discharged 16.8 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

154% over limit

Discharged 12.71 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

74% over limit

Discharged 8.7 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

27% over limit

Discharged 9.5 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 8.44 SU against a permitted limit of 8 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

24% over limit

Discharged 0.93 mg/L against a permitted limit of 0.75 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

February 28, 2026

BOD, 5-day, 20 deg. C

123% over limit

Discharged 16.75 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.66 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

117% over limit

Discharged 10.83 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

pH

0% over limit

Discharged 5.32 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

239% over limit

Discharged 25.4 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

167% over limit

Discharged 13.35 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

BOD, 5-day, 20 deg. C

212% over limit

Discharged 15.6 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

229% over limit

Discharged 24.7 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

November 30, 2025

pH

0% over limit

Discharged 8.1 SU against a permitted limit of 8 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

116% over limit

Discharged 16.21 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

88% over limit

Discharged 9.42 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Phosphorus, total [as P]

50% over limit

Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

179% over limit

Discharged 4.18 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

100% over limit

Discharged 10 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

124% over limit

Discharged 16.8 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, 20 deg. C

158% over limit

Discharged 12.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

120% over limit

Discharged 2.2 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

8% over limit

Discharged 25.6 kg/d against a permitted limit of 23.7 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

120% over limit

Discharged 3.3 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

260% over limit

Discharged 27 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

August 31, 2025

BOD, 5-day, 20 deg. C

83% over limit

Discharged 9.15 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

165% over limit

Discharged 19.9 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

July 31, 2025

pH

0% over limit

Discharged 5.25 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 5.98 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

29% over limit

Discharged 9.7 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

June 30, 2025

BOD, 5-day, 20 deg. C

60% over limit

Discharged 8 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.05 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

51% over limit

Discharged 11.3 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

May 31, 2025

BOD, 5-day, 20 deg. C

55% over limit

Discharged 11.6 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (MAXIMUM)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

58% over limit

Discharged 7.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (MINIMUM)

DMR, Monitor Only - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MINIMUM)

DMR, Monitor Only - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MINIMUM)

DMR, Monitor Only - Overdue

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (MAXIMUM)

DMR, Monitor Only - Overdue

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (MINIMUM)

DMR, Monitor Only - Overdue

April 30, 2025

BOD, 5-day, 20 deg. C

100% over limit

Discharged 10 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

51% over limit

Discharged 11.3 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Phosphorus, total [as P]

22% over limit

Discharged 1.22 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

120% over limit

Discharged 3.305 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)