SANITARY DISTRICT OF DECATUR MAIN STP
NPDES ID: IL0028321
T — SNC: Compliance schedule reporting violation
The facility was more than 30 days late reporting progress on its compliance schedule.
This quarter: 1 effluent violation.
Violations
May 31, 2026
Coliform, fecal general
140% over limit
Discharged 960 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (5 hours ago)
Source:EPA ECHO facility report