DEERFIELD WWTP

NPDES ID: LA0072541

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: 10 effluent violations.

Violations

March 31, 2026

Solids, total suspended

110% over limit

Discharged 63 mg/L against a permitted limit of 30 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

65% over limit

Discharged 33 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

101% over limit

Discharged 16.34399986 kg/d against a permitted limit of 8.12659993 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

215% over limit

Discharged 63 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

160% over limit

Discharged 78 mg/L against a permitted limit of 30 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

100% over limit

Discharged 40 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

101% over limit

Discharged 16.34399986 kg/d against a permitted limit of 8.12659993 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

147% over limit

Discharged 74 mg/L against a permitted limit of 30 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

473% over limit

Discharged 172 mg/L against a permitted limit of 30 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

84% over limit

Discharged 14.98199987 kg/d against a permitted limit of 8.12659993 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

380% over limit

Discharged 96 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Oxygen, dissolved [DO]

20% over limit

Discharged 4 mg/L against a permitted limit of 5 mg/L (MO AV MN)

DMR, Limited - Numeric Violation

July 31, 2025

Solids, total suspended

206% over limit

Discharged 18.61399984 kg/d against a permitted limit of 6.08359995 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

687% over limit

Discharged 181 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

473% over limit

Discharged 86 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

120% over limit

Discharged 33 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

12% over limit

Discharged 6.80999994 kg/d against a permitted limit of 6.08359995 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

213% over limit

Discharged 72 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

7% over limit

Discharged 32 mg/L against a permitted limit of 30 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

261% over limit

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

DMR, Limited - Numeric Violation

Solids, total suspended

240% over limit

Discharged 51 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2024

Solids, total suspended

26% over limit

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

DMR, Limited - Numeric Violation

Solids, total suspended

87% over limit

Discharged 28 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)