NPDES ID: AR0044172
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 14 effluent violations, 1 compliance schedule violation, 2 permit schedule violations.
Violations
May 31, 2026
pH
0% over limit
Discharged 5.85 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
686% over limit
Discharged 39.3 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
15% over limit
Discharged 0.10442 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
656% over limit
Discharged 39.3 mg/L against a permitted limit of 5.2 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
120% over limit
Discharged 3.3 mg/L against a permitted limit of 1.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
230% over limit
Discharged 3.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)