Clean Water Act discharge permit · NPDES IL0020974

CLAY CITY, VILLAGE OF, Clay City, IL: NPDES IL0020974 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
9Pollutants with an effluent exceedance

CLAY CITY, VILLAGE OF, held by CLAY CITY, VILLAGE OF, holds NPDES permit IL0020974, which discharges to Little Wabash River. EPA’s file records it issued July 25, 2017 and expiring July 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CLAY CITY, VILLAGE OF
Permittee as filed	CLAY CITY, VILLAGE OF
NPDES ID	IL0020974
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	July 25, 2017
Expiration date	July 31, 2022
Address	Clay City, IL 62824
Receiving water	LITTLE WABASH RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Grove Creek-Littla Wabash River (HUC 051201140802)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

12Pollutants on file
11Under a numeric limit
12With a violation of any kind
9With 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
Phosphorus, total [as P]	2	34	23	July 31, 2026	442% over the limit
Nitrogen, ammonia total [as N]	10	18	14	February 28, 2026	8,451% over the limit
BOD, carbonaceous [5 day, 20 C]	4	24	12	September 30, 2013	500% over the limit
Coliform, fecal general	2	16	9	October 31, 2025	99,999% over the limit
Solids, total suspended	5	33	8	August 31, 2025	100% over the limit
Oxygen, dissolved [DO]	5	18	5	July 31, 2025	56% over the limit
Coliform, fecal - % samples exceeding limit	1	6	5	October 31, 2025	4,770% over the limit
pH	2	16	2	January 31, 2022
BOD, 5-day, 20 deg. C	1	7	1	June 30, 2004	17% over the limit
Flow, in conduit or thru treatment plant	4	18	0
Flow, total	0	8	0
Chlorine, total residual	1	4	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

1Single-event violations

Date	What EPA recorded	Agency
February 17, 2026	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 IL0020974 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clay City, Village of's NPDES discharge permit IL0020974, a minor, administratively continued permit for a publicly owned treatment works discharging to the Little Wabash River. The facts list 12 pollutants on file, 11 under a numeric limit, 9 with an effluent exceedance, and a Minor Discharger class, with the permit issued July 25, 2017 and expiring July 31, 2022.