UNION CITY WWT FACILITY
NPDES ID: OK0038393
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations, 1 compliance schedule violation.
Violations
April 30, 2026
Solids, total suspended
44% over limit
Discharged 129.5 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.07 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
2% over limit
Discharged 138 mg/L against a permitted limit of 135 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
30% over limit
Discharged 117 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
39% over limit
Discharged 94.61359921 kg/d against a permitted limit of 68.14539943 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
19% over limit
Discharged 2420 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)