NPDES ID: MO0004847
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: 7 effluent violations.
Violations
May 31, 2026
Chlorine, total residual
592% over limit
Discharged 3.46000016 mg/L against a permitted limit of 0.50000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1630% over limit
Discharged 3.46000016 mg/L against a permitted limit of 0.20000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
133% over limit
Discharged 70 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
840% over limit
Discharged 1.88000009 mg/L against a permitted limit of 0.20000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
276% over limit
Discharged 1.88000009 mg/L against a permitted limit of 0.50000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
977% over limit
Discharged 323 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
223% over limit
Discharged 323 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
152% over limit
Discharged 1.26000006 mg/L against a permitted limit of 0.50000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
530% over limit
Discharged 1.26000006 mg/L against a permitted limit of 0.20000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
97% over limit
Discharged 59 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
185% over limit
Discharged 285 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
185% over limit
Discharged 285 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
1260% over limit
Discharged 1360 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1260% over limit
Discharged 1360 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
54% over limit
Discharged 154 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
54% over limit
Discharged 154 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
135% over limit
Discharged 234.7 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
135% over limit
Discharged 234.7 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
37% over limit
Discharged 0.0386 mg/L against a permitted limit of 0.0281 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Copper, total recoverable
7% over limit
Discharged 0.0302 mg/L against a permitted limit of 0.0281 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
77% over limit
Discharged 0.0498 mg/L against a permitted limit of 0.0281 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total recoverable
12% over limit
Discharged 0.0314 mg/L against a permitted limit of 0.0281 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1691% over limit
Discharged 1791 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1691% over limit
Discharged 1791 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (22 days ago)