Clean Water Act discharge permit · NPDES IL0042218

QUAIL RUN OF CASEYVILLE LLC STP, Caseyville, IL: NPDES IL0042218 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
5Pollutants with an effluent exceedance

QUAIL RUN OF CASEYVILLE LLC STP, held by QUAIL RUN CASEYVILLE MHP LLC STP, holds NPDES permit IL0042218, which discharges to Unnamed Ditch Trib To Harding Creek. EPA’s file records it issued January 10, 2018 and expiring January 31, 2023. 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	QUAIL RUN OF CASEYVILLE LLC STP
Permittee as filed	QUAIL RUN CASEYVILLE MHP LLC STP
NPDES ID	IL0042218
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 10, 2018
Expiration date	January 31, 2023
Address	Caseyville, IL 62232
Receiving water	UNNAMED DITCH TRIB TO HARDING CREEK
Subwatershed	Bear Creek (HUC 071300120206)
SIC	6515 – Mobile Home Site Operators

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
9With a violation of any kind
5With 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]	14	446	220	January 31, 2021	1,833% over the limit
Oxygen, dissolved [DO]	5	148	27	September 30, 2020	83% over the limit
Chlorine, total residual	2	78	15	August 31, 2001	1,100% over the limit
Solids, total suspended	5	270	13	January 31, 2021	158% over the limit
BOD, carbonaceous [5 day, 20 C]	4	214	10	June 30, 2018	100% over the limit
Flow, in conduit or thru treatment plant	4	218	0
pH	2	111	0
BOD, 5-day, 20 deg. C	1	53	0
Coliform, fecal general	1	27	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 IL0042218.

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 IL0042218 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES discharge permit IL0042218 for QUAIL RUN OF CASEYVILLE LLC STP in Caseyville, IL, with the permit administratively continued and classed as a Minor Discharger. The page lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.