NPDES ID: ARG640102
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: 3 effluent violations.
Violations
May 31, 2026
Solids, total suspended
340% over limit
Discharged 88 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
987% over limit
Discharged 326 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2991% over limit
Discharged 0.34 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
267% over limit
Discharged 110 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
26% over limit
Discharged 25.2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
718% over limit
Discharged 0.09 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
35% over limit
Discharged 27 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
627% over limit
Discharged 0.08 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
2082% over limit
Discharged 0.24 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 44 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
8329% over limit
Discharged 2528.6 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
5355% over limit
Discharged 0.6 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
3077% over limit
Discharged 635.4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
445% over limit
Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
1173% over limit
Discharged 0.14 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.73 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
1264% over limit
Discharged 0.15 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 5.6 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
809% over limit
Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Chlorine, total residual
445% over limit
Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
pH
0% over limit
Discharged 4.94 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
445% over limit
Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 24.4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Chlorine, total residual
1264% over limit
Discharged 0.15 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Chlorine, total residual
991% over limit
Discharged 0.12 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
3718% over limit
Discharged 0.42 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Chlorine, total residual
2082% over limit
Discharged 0.24 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)