Clean Water Act discharge permit · NPDES IL0077356

ROXANA STP, VILLAGE OF, South Roxana, IL: NPDES IL0077356 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
7Pollutants with an effluent exceedance

ROXANA STP, VILLAGE OF, held by ROXANA, VILLAGE OF, holds NPDES permit IL0077356, which discharges to Cahokia Diversion Channel. EPA’s file records it issued February 15, 2019 and expiring February 29, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	ROXANA STP, VILLAGE OF
Permittee as filed	ROXANA, VILLAGE OF
NPDES ID	IL0077356
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	February 15, 2019
Expiration date	February 29, 2024
Address	South Roxana, IL 62084
Receiving water	CAHOKIA DIVERSION CHANNEL
Receiving water impaired	303(D) Listed
Subwatershed	Burrough's Branch-Cahokia Creek (HUC 071401010207)

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

Effluent limits and exceedances

10Pollutants on file
10Under a numeric limit
10With 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	159	67	January 31, 2024	1,421% over the limit
Solids, total suspended	5	124	37	November 30, 2015	483% over the limit
BOD, carbonaceous [5 day, 20 C]	4	104	33	October 31, 2013	426% over the limit
Coliform, fecal general	1	48	31	October 31, 2018	24,150% over the limit
Phosphorus, total [as P]	3	46	12	October 31, 2013	3,850% over the limit
Chlorine, total residual	1	22	3	June 30, 2013	900% over the limit
Oxygen, dissolved [DO]	5	19	2	November 30, 2011	11% over the limit
Flow, in conduit or thru treatment plant	4	72	0
pH	2	34	0
BOD, 5-day, 20 deg. C	1	19	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
November 5, 2024	Wet-weather SSO 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.

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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 IL0077356 there.

Nearby on the register

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