RAPIDES PARISH SEWERAGE DISTRICT NO. 1 - GRUNDY COOPER SUBDIVISION

NPDES ID: LA0039012

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: 6 effluent violations.

Violations

June 30, 2026

Chlorine, total residual

5961% over limit

Discharged 2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Chlorine, total residual

1233% over limit

Discharged 0.44 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

May 31, 2026

Chlorine, total residual

5961% over limit

Discharged 2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Chlorine, total residual

18082% over limit

Discharged 6 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

April 30, 2026

Chlorine, total residual

3536% over limit

Discharged 1.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Chlorine, total residual

21718% over limit

Discharged 7.2 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

25% over limit

Discharged 5 mg/L against a permitted limit of 4 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

150% over limit

Discharged 5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Nitrogen, ammonia total [as N]

50% over limit

Discharged 3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total dissolved

72% over limit

Discharged 484.87199593 kg/d against a permitted limit of 282.38799763 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

25% over limit

Discharged 2.26999998 kg/d against a permitted limit of 1.81599998 kg/d (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)