CMP COATINGS, INC.

NPDES ID: LA0093211

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: 5 effluent violations.

Violations

March 31, 2026

Solids, total suspended

1578% over limit

Discharged 503.25 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

1110% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Enterococci

6813% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

2137% over limit

Discharged 1006.5 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

1692% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

70% over limit

Discharged 51 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

389% over limit

Discharged 220 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

1692% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

111% over limit

Discharged 95 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

487% over limit

Discharged 176 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

6813% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

330% over limit

Discharged 129 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

1692% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

389% over limit

Discharged 220 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

4799% over limit

Discharged 1714.8 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

253% over limit

Discharged 106 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

189% over limit

Discharged 130 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

38% over limit

Discharged 41.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

71% over limit

Discharged 77 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

53% over limit

Discharged 69 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

60% over limit

Discharged 48 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

230% over limit

Discharged 99 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

322% over limit

Discharged 190 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

7% over limit

Discharged 48 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

44% over limit

Discharged 194 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

179% over limit

Discharged 97.5 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

40% over limit

Discharged 63 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Enterococci

53% over limit

Discharged 53.5 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

103% over limit

Discharged 91.5 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

23% over limit

Discharged 37 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 1210.3 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

47% over limit

Discharged 66 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

1110% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

18% over limit

Discharged 35.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2024

BOD, 5-day, 20 deg. C

1233% over limit

Discharged 400 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 1210.3 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Enterococci

16% over limit

Discharged 157 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

54% over limit

Discharged 307 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

505% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

53% over limit

Discharged 613 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

126% over limit

Discharged 79 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

789% over limit

Discharged 400 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

pH

0% over limit

Discharged 9.13 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)