Clean Water Act discharge permit · NPDES IL0046116

COY AND WILMA'S, LLC-STP, Sesser, IL: NPDES IL0046116 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
7Pollutants with an effluent exceedance

COY AND WILMA'S, LLC-STP, held by COY & WILMAS LLC, holds NPDES permit IL0046116, which discharges to Unnamed Trib Of Rend Lake. EPA’s file records it issued January 23, 2018 and expiring January 31, 2023. 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	COY AND WILMA'S, LLC-STP
Permittee as filed	COY & WILMAS LLC
NPDES ID	IL0046116
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 23, 2018
Expiration date	January 31, 2023
Address	Sesser, IL 62884
Receiving water	UNNAMED TRIB OF REND LAKE
Subwatershed	Marcum Branch-Rend Lake (HUC 071401060306)

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

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
9With a violation of any kind
7With 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
Nitrogen, ammonia total [as N]	16	179	165	April 30, 2023	4,496% over the limit
Coliform, fecal general	1	111	110	February 28, 2026	99,999% over the limit
Chlorine, total residual	1	63	58	May 31, 2019	6,900% over the limit
Solids, total suspended	5	73	54	June 30, 2014	991% over the limit
BOD, carbonaceous [5 day, 20 C]	4	34	22	October 31, 2018	683% over the limit
Oxygen, dissolved [DO]	5	13	11	September 30, 2021	27% over the limit
pH	2	7	1	March 31, 2015
Flow, in conduit or thru treatment plant	4	16	0
BOD, 5-day, 20 deg. C	1	3	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 IL0046116.

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.

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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 IL0046116 there.

Nearby on the register

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

This public-records page covers NPDES permit IL0046116 for COY AND WILMA'S, LLC-STP in Sesser, IL, held by COY & WILMAS LLC, which discharges to Unnamed Trib Of Rend Lake in subwatershed HUC 071401060306. The permit status is listed as administratively continued, with Minor Discharger class and 7 pollutants with an effluent exceedance among the figures shown.