Clean Water Act discharge permit · NPDES ILG582006

ALEDO STP, CITY OF, Aledo, IL: NPDES ILG582006 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance

ALEDO STP, CITY OF, held by ALEDO, CITY OF, holds NPDES permit ILG582006, which discharges to Edwards River-Mississippi River. EPA’s file records it issued December 5, 2013 and expiring June 30, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	ALEDO STP, CITY OF
Permittee as filed	ALEDO, CITY OF
NPDES ID	ILG582006
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	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 5, 2013
Expiration date	June 30, 2018
Address	Aledo, IL 61231
Receiving water	EDWARDS RIVER-MISSISSIPPI RIVER
Subwatershed	Town of Millersburg-Edwards River (HUC 070801040404)

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

Effluent limits and exceedances

9Pollutants on file
7Under a numeric limit
9With a violation of any kind
4With 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	291	54	May 31, 2020	103% over the limit
BOD, carbonaceous [5 day, 20 C]	4	208	12	February 28, 2021	200% over the limit
Oxygen, dissolved [DO]	0	4	4	October 31, 2025	25% over the limit
pH	2	99	3	April 30, 2019
Flow, in conduit or thru treatment plant	4	194	0
BOD, 5-day, 20 deg. C	1	49	0
Chlorine, total residual	0	36	0
Nitrogen, ammonia total [as N]	1	12	0
Coliform, fecal general	1	5	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 ILG582006.

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 ILG582006 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit ILG582006, held by ALEDO, CITY OF for the ALEDO STP, CITY OF facility in Aledo, IL, which discharges to the EDWARDS RIVER-MISSISSIPPI RIVER and is coded to subwatershed HUC 070801040404. The permit's status is administratively continued, with a minor discharger class and a file showing 7 pollutants under a numeric limit, 4 pollutants with an effluent exceedance, 9 pollutants on file, and 9 with a violation.