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: 3 effluent violations.

Violations

May 31, 2026

Solids, total suspended

33% over limit

Discharged 20 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

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

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (6 days ago)