Clean Water Act discharge permit · NPDES IL0025186

EAST DUBUQUE STP, East Dubuque, IL: NPDES IL0025186 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
2Pollutants with an effluent exceedance

EAST DUBUQUE STP, held by EAST DUBUQUE, CITY OF, holds NPDES permit IL0025186, which discharges to Mississippi River. EPA’s file records it issued May 15, 2019 and expiring April 30, 2024. 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	EAST DUBUQUE STP
Permittee as filed	EAST DUBUQUE, CITY OF
NPDES ID	IL0025186
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	May 15, 2019
Expiration date	April 30, 2024
Address	East Dubuque, IL 61025
Receiving water	MISSISSIPPI RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Frentress Lake-Mississippi River (HUC 070600050202)
Program components on file	Biosolids, POTW
SIC	4952 – Sewerage Systems

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

7Pollutants on file
7Under a numeric limit
6With 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
Solids, total suspended	5	7	3	February 28, 2021	147% over the limit
Chlorine, total residual	2	5	1	October 31, 2001	8,567% over the limit
BOD, carbonaceous [5 day, 20 C]	4	4	0
Flow, in conduit or thru treatment plant	4	2	0
pH	2	2	0
Coliform, fecal general	1	1	0
BOD, 5-day, 20 deg. C	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 IL0025186.

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

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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 IL0025186 there.

Nearby on the register

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

This EPA-derived register page covers Clean Water Act NPDES permit IL0025186 for EAST DUBUQUE STP in East Dubuque, IL, held by EAST DUBUQUE, CITY OF, which discharges to the MISSISSIPPI RIVER within the Frentress Lake-Mississippi River subwatershed (HUC 070600050202). The permit is listed as administratively continued, with a Minor discharger class and 2 pollutants under a numeric limit, of which 2 had an effluent exceedance.