Clean Water Act discharge permit · NPDES ILG551086

IDOT- I57 UNION CO S, Anna, IL: NPDES ILG551086 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
3Pollutants with an effluent exceedance

IDOT- I57 UNION CO S, held by ILLINOIS DOT - I57 UNION CO S, holds NPDES permit ILG551086, which discharges to Road Run Creek. EPA’s file records it issued November 19, 2014 and expiring June 30, 2018. 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	IDOT- I57 UNION CO S
Permittee as filed	ILLINOIS DOT - I57 UNION CO S
NPDES ID	ILG551086
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	November 19, 2014
Expiration date	June 30, 2018
Address	Anna, IL 62906
Receiving water	ROAD RUN CREEK
Subwatershed	Headwaters Cache River (HUC 051402060503)
SIC	9621 – Regulation, Administration Of Transportation

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
7With a violation of any kind
3With 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
Solids, total suspended	5	27	2	February 28, 2011	62% over the limit
BOD, carbonaceous [5 day, 20 C]	4	22	2	July 31, 2012	400% over the limit
Oxygen, dissolved [DO]	1	2	1	May 31, 2024	19% over the limit
Flow, in conduit or thru treatment plant	4	20	0
pH	2	10	0
BOD, 5-day, 20 deg. C	1	5	0
Nitrogen, ammonia total [as N]	1	1	0
Chlorine, total residual	1	0	0
Coliform, fecal general	1	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 ILG551086.

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 ILG551086 there.

Nearby on the register

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

This public-records page covers NPDES permit ILG551086, held by ILLINOIS DOT - I57 UNION CO S, which discharges to ROAD RUN CREEK in the Headwaters Cache River subwatershed (HUC 051402060503). The permit is listed as administratively continued, with a Minor Discharger class, 3 pollutants under a numeric limit, and 9 pollutants with an effluent exceedance, based on EPA's permit file as loaded on October 14, 2026.