OTTUMWA CITY OF STP
NPDES ID: IA0058611
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 effluent violation, 1 compliance schedule violation.
Violations
June 30, 2026
Solids, total suspended
8% over limit
Discharged 1230.30684766 kg/d against a permitted limit of 1135.90799046 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)
Source:EPA ECHO facility report