NPDES ID: AR0049301
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
March 31, 2026
Chlorine, total residual
19900% over limit
Discharged 2.2 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
7627% over limit
Discharged 0.85 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
104% over limit
Discharged 2038 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
2% over limit
Discharged 2038 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Overdue
August 31, 2025
pH
0% over limit
Discharged 3.95 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
333% over limit
Discharged 0.17706 kg/d against a permitted limit of 0.04086 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
52% over limit
Discharged 7.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
57% over limit
Discharged 11.8 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 5.8 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
4445% over limit
Discharged 0.5 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2024
Oil & Grease
141% over limit
Discharged 24.1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
208% over limit
Discharged 0.1816 kg/d against a permitted limit of 0.05902 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
216% over limit
Discharged 0.2724 kg/d against a permitted limit of 0.08626 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
61% over limit
Discharged 24.1 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Coliform, fecal general
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
49% over limit
Discharged 1485 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)