TOWN OF ST. JOSEPH WWTP

NPDES ID: LA0043621

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: 3 effluent violations, 4 compliance schedule violations.

Violations

May 31, 2026

Chlorine, total residual

506% over limit

Discharged 0.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

April 30, 2026

Solids, total suspended

4% over limit

Discharged 47 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

506% over limit

Discharged 0.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

March 31, 2026

Chlorine, total residual

506% over limit

Discharged 0.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

24% over limit

Discharged 56 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

23% over limit

Discharged 32.47461973 kg/d against a permitted limit of 26.33199978 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

33% over limit

Discharged 530 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

3% over limit

Discharged 31.02 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Chlorine, total residual

506% over limit

Discharged 0.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

January 31, 2026

Chlorine, total residual

355% over limit

Discharged 0.15 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2025

Chlorine, total residual

385% over limit

Discharged 0.16 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

November 30, 2025

Coliform, fecal general

88% over limit

Discharged 750 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Chlorine, total residual

961% over limit

Discharged 0.35 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

October 31, 2025

Chlorine, total residual

385% over limit

Discharged 0.16 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

September 30, 2025

Coliform, fecal general

50% over limit

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

DMR, Limited - Numeric Violation

August 31, 2025

Chlorine, total residual

779% over limit

Discharged 0.29 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

July 31, 2025

Chlorine, total residual

506% over limit

Discharged 0.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

14% over limit

Discharged 227 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

110% over limit

Discharged 840 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

June 30, 2025

BOD, carbonaceous [5 day, 20 C]

22% over limit

Discharged 10.55549991 kg/d against a permitted limit of 8.62599993 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

13% over limit

Discharged 450 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Chlorine, total residual

203% over limit

Discharged 0.1 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

April 30, 2025

Chlorine, total residual

476% over limit

Discharged 0.19 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

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

March 31, 2025

Chlorine, total residual

233% over limit

Discharged 0.11 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

February 28, 2025

Chlorine, total residual

203% over limit

Discharged 0.1 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

34% over limit

Discharged 6.07905995 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, carbonaceous [5 day, 20 C]

14% over limit

Discharged 9.81547992 kg/d against a permitted limit of 8.62599993 kg/d (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Chlorine, total residual

203% over limit

Discharged 0.1 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

August 31, 2024

Chlorine, total residual

264% over limit

Discharged 0.12 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)