TOWN OF CLAYTON

NPDES ID: LA0044644

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: 5 effluent violations.

Violations

March 31, 2026

Solids, total suspended

73% over limit

Discharged 25.88 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

31% over limit

Discharged 262 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 30 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

57% over limit

Discharged 36 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

30% over limit

Discharged 12.97 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

46% over limit

Discharged 21.95 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

25% over limit

Discharged 18.76 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

BOD, 5-day, 20 deg. C

86% over limit

Discharged 18.6 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

1% over limit

Discharged 201 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

45% over limit

Discharged 21.75 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

98% over limit

Discharged 29.67 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 30 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Coliform, fecal general

51% over limit

Discharged 302 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

20% over limit

Discharged 480 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

4% over limit

Discharged 15.65 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

39% over limit

Discharged 32 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

38% over limit

Discharged 20.75 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

BOD, 5-day, 20 deg. C

7% over limit

Discharged 10.74 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

2% over limit

Discharged 204 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

30% over limit

Discharged 520 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 30 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

73% over limit

Discharged 26 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

BOD, 5-day, 20 deg. C

12% over limit

Discharged 11.2 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Coliform, fecal general

10% over limit

Discharged 440 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

99% over limit

Discharged 398 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

7% over limit

Discharged 10.66 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

3% over limit

Discharged 15.51 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Coliform, fecal general

197% over limit

Discharged 594 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

38% over limit

Discharged 13.78 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

133% over limit

Discharged 930 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

February 28, 2025

BOD, 5-day, 20 deg. C

22% over limit

Discharged 18.33 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

49% over limit

Discharged 14.89 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, 5-day, 20 deg. C

213% over limit

Discharged 31.25 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

109% over limit

Discharged 31.32 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

November 30, 2024

BOD, 5-day, 20 deg. C

13% over limit

Discharged 16.95 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

53% over limit

Discharged 15.34 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

65% over limit

Discharged 329 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

50% over limit

Discharged 600 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

58% over limit

Discharged 23.67 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

13% over limit

Discharged 26 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

49% over limit

Discharged 22.36 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

26% over limit

Discharged 29 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

37% over limit

Discharged 13.69 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2024

Solids, total suspended

60% over limit

Discharged 24 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

22% over limit

Discharged 12.21 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

4% over limit

Discharged 24 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

35% over limit

Discharged 270 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)