Clean Water Act discharge permit · NPDES IL0029211

TCBSD - HOMEWOOD EXCESS FLOW TREATMENT PLANT, Homewood, IL: NPDES IL0029211 discharge permit, effluent exceedances, inspections, penalties

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

TCBSD - HOMEWOOD EXCESS FLOW TREATMENT PLANT, held by THORN CREEK BASIN SANITARY DISTRICT, holds NPDES permit IL0029211, which discharges to Butterfield Creek. EPA’s file records it issued April 24, 2020 and expiring April 30, 2025. 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	TCBSD - HOMEWOOD EXCESS FLOW TREATMENT PLANT
Permittee as filed	THORN CREEK BASIN SANITARY DISTRICT
NPDES ID	IL0029211
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	April 24, 2020
Expiration date	April 30, 2025
Address	Homewood, IL 60430
Receiving water	BUTTERFIELD CREEK
Subwatershed	Thorn Creek (HUC 071200030204)
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler ILD984831123

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
8With 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
Coliform, fecal general	1	16	14	July 31, 2023	99,999% over the limit
Chlorine, total residual	1	5	3	May 31, 2019	165% over the limit
Solids, total suspended	3	6	0
BOD, 5-day, 20 deg. C	3	4	0
pH	2	4	0
Oxygen, dissolved [DO]	3	3	0
Flow, total	1	2	0
Nitrogen, ammonia total [as N]	1	1	0
Flow, in conduit or thru treatment plant	2	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 IL0029211.

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, IL0029211.

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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 IL0029211 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 permit IL0029211 for TCBSD - HOMEWOOD EXCESS FLOW TREATMENT PLANT in Homewood, IL, held by THORN CREEK BASIN SANITARY DISTRICT and discharging to Butterfield Creek, with the permit listed as administratively continued. The facility is recorded as a Minor Discharger class with 9 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, within the Thorn Creek subwatershed (HUC 071200030204).