ELDON WWTP
NPDES ID: MO0100676
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
June 30, 2026
E. coli
175% over limit
Discharged 2830 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
160% over limit
Discharged 2680 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total recoverable
6% over limit
Discharged 0.0204 mg/L against a permitted limit of 0.0193 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
1308% over limit
Discharged 14500 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
1% over limit
Discharged 1040 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2024
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 1 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)