COWEN PSD

NPDES ID: WV0037397

S — SNC: Compliance schedule violation

The facility missed a deadline in its compliance schedule by more than 90 days.

This quarter: 4 effluent violations.

Violations

May 31, 2026

Copper, total [as Cu]

111% over limit

Discharged 0.019 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

47% over limit

Discharged 0.0028 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2026

Copper, total recoverable

5% over limit

Discharged 0.002 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Flow, in conduit or thru treatment plant

54% over limit

Discharged 0.02 MGD against a permitted limit of 0.013 MGD (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

11% over limit

Discharged 0.0021 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Copper, total recoverable

163% over limit

Discharged 0.01 mg/L against a permitted limit of 0.0038 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

426% over limit

Discharged 0.01 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Copper, total recoverable

100% over limit

Discharged 0.0038 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Copper, total [as Cu]

233% over limit

Discharged 0.03 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2025

Copper, total recoverable

226% over limit

Discharged 0.0062 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

233% over limit

Discharged 0.03 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

63% over limit

Discharged 0.0062 mg/L against a permitted limit of 0.0038 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

Copper, total [as Cu]

33% over limit

Discharged 0.012 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

58% over limit

Discharged 0.003 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Copper, total recoverable

103% over limit

Discharged 0.0077 mg/L against a permitted limit of 0.0038 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

305% over limit

Discharged 0.0077 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Copper, total [as Cu]

278% over limit

Discharged 0.034 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

June 30, 2025

Copper, total recoverable

26% over limit

Discharged 0.0024 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Copper, total recoverable

32% over limit

Discharged 0.0025 mg/L against a permitted limit of 0.0019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

53% over limit

Discharged 46 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

11% over limit

Discharged 0.01 mg/L against a permitted limit of 0.009 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

9% over limit

Discharged 61.78939948 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

Coliform, fecal general

927% over limit

Discharged 4106 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

1953% over limit

Discharged 4106 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

December 31, 2024

Coliform, fecal general

2003% over limit

Discharged 8410 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

4105% over limit

Discharged 8410 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Solids, total suspended

58% over limit

Discharged 47.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, suspended percent removal

567% over limit

Discharged 0.0005 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

91% over limit

Discharged 2.76939998 kg/d against a permitted limit of 1.45279999 kg/d (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)