PARIS STP, CITY OF

NPDES ID: IL0021377

S — SNC: Compliance schedule violation

The facility missed a deadline in its compliance schedule by more than 90 days.

This quarter: 3 effluent violations.

Violations

May 31, 2026

BOD, 5-day, 20 deg. C

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)