Clean Water Act discharge permit · NPDES IL0020605

FAIRFIELD, CITY OF, Fairfield, IL: NPDES IL0020605 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
2Pollutants with an effluent exceedance

FAIRFIELD, CITY OF holds NPDES permit IL0020605, which discharges to Johnson Creek. EPA’s file records it issued September 12, 2017 and expiring August 31, 2022. 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	FAIRFIELD, CITY OF
Permittee as filed	FAIRFIELD, CITY OF
NPDES ID	IL0020605
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	September 12, 2017
Expiration date	August 31, 2022
Address	Fairfield, IL 62837
Receiving water	JOHNSON CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Johnson Creek-Pond Creek (HUC 051201140902)
Program components on file	Biosolids, POTW, Pretreatment
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

9Pollutants on file
9Under a numeric limit
3With a violation of any kind
2With 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	3	3	January 31, 2005	46% over the limit
Coliform, fecal general	1	1	1	January 31, 2005	2,125% over the limit
Nitrogen, ammonia total [as N]	52	4	0
Oxygen, dissolved [DO]	5	0	0
Flow, in conduit or thru treatment plant	4	0	0
BOD, carbonaceous [5 day, 20 C]	4	0	0
pH	2	0	0
BOD, 5-day, 20 deg. C	1	0	0
Chlorine, total residual	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0020605.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0020605.

Start the watch

How we handle your data → Privacy

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 IL0020605 there.

Nearby on the register

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

This public-records page covers NPDES permit IL0020605, held by FAIRFIELD, CITY OF in Fairfield, IL, which discharges to JOHNSON CREEK and is listed in the Johnson Creek-Pond Creek subwatershed (HUC 051201140902). The permit, issued September 12, 2017 and expiring August 31, 2022, is administratively continued and lists 9 as its discharger class, with 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance.