ASH FLAT, CITY OF - WASTEWATER TREATMENT FACILITY
NPDES ID: AR0041742
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 36 effluent violations, 1 compliance schedule violation.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
328% over limit
Discharged 21.4 mg/L against a permitted limit of 5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
549% over limit
Discharged 64.9 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
352% over limit
Discharged 67.8 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
264% over limit
Discharged 18.2 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
340% over limit
Discharged 66 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
111% over limit
Discharged 17.98293985 kg/d against a permitted limit of 8.53519993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)