VILLAGE OF CHATAIGNIER - SEWER SYSTEM

NPDES ID: LAG570613

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: 2 effluent violations.

Violations

April 30, 2026

Solids, total suspended

74% over limit

Discharged 40 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

167% over limit

Discharged 40 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

BOD, 5-day, 20 deg. C

16% over limit

Discharged 11.55 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

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

261% over limit

Discharged 83 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

200% over limit

Discharged 600 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

453% over limit

Discharged 83 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

7% over limit

Discharged 16 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Coliform, fecal general

230% over limit

Discharged 660 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

65% over limit

Discharged 660 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

18% over limit

Discharged 17.76 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

78% over limit

Discharged 17.76 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Solids, total suspended

135% over limit

Discharged 54 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

104% over limit

Discharged 20.4 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

260% over limit

Discharged 54 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

36% over limit

Discharged 20.4 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

June 30, 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

May 31, 2025

Solids, total suspended

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

300% over limit

Discharged 60 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

161% over limit

Discharged 60 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

109% over limit

Discharged 20.91 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

39% over limit

Discharged 20.91 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

February 28, 2025

BOD, 5-day, 20 deg. C

34% over limit

Discharged 20.13 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

101% over limit

Discharged 20.13 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2024

Coliform, fecal general

140% over limit

Discharged 480 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 (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

152% over limit

Discharged 25.16 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

68% over limit

Discharged 25.16 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

173% over limit

Discharged 41 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

78% over limit

Discharged 41 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

Solids, total suspended

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2024

BOD, 5-day, 20 deg. C

6% over limit

Discharged 10.61 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)