Clean Water Act discharge permit · NPDES IL0021016

ILLINOIS AMERICAN WATER - FISHER STP, Fisher, IL: NPDES IL0021016 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
6Pollutants with an effluent exceedance

ILLINOIS AMERICAN WATER - FISHER STP, held by ILLINOIS AMERICAN WATER - FISHER, holds NPDES permit IL0021016, which discharges to Owl Creek. EPA’s file records it issued May 10, 2021 and expiring May 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	ILLINOIS AMERICAN WATER - FISHER STP
Permittee as filed	ILLINOIS AMERICAN WATER - FISHER
NPDES ID	IL0021016
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	May 10, 2021
Expiration date	May 31, 2026
Address	Fisher, IL 61843
Receiving water	OWL CREEK
Subwatershed	Owl Creek-Sangamon River (HUC 071300060107)
Program components on file	Biosolids, POTW
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
11With a violation of any kind
6With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	5	56	25	April 30, 2019	170% over the limit
Oxygen, dissolved [DO]	5	12	7	July 31, 2025	29% over the limit
Phosphorus, total [as P]	3	100	4	June 30, 2026	54% over the limit
Chlorine, total residual	2	5	2	August 31, 2018	3,080% over the limit
Coliform, fecal - % samples exceeding limit	1	7	1	August 31, 2015	900% over the limit
Coliform, fecal general	2	3	1	August 31, 2015	50% over the limit
BOD, carbonaceous [5 day, 20 C]	4	32	0
Flow, in conduit or thru treatment plant	4	4	0
pH	2	2	0
BOD, 5-day, 20 deg. C	1	2	0
Nitrogen, nitrate total [as N]	1	1	0
Nitrogen, ammonia total [as N]	1	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

4Single-event violations

Date	What EPA recorded	Agency
August 15, 2026	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
August 15, 2026	Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment	ST6
June 22, 2026	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
May 15, 2025	Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment	ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0021016 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit IL0021016, held by ILLINOIS AMERICAN WATER - FISHER and discharging to Owl Creek, with its status shown as administratively continued and its program components listed as Biosolids and POTW. The page lists 12 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, with the permit's issue and expiration dates recorded as May 10, 2021 and May 31, 2026.