Clean Water Act discharge permit · NPDES IL0029378

LACON STP, CITY OF, Lacon, IL: NPDES IL0029378 discharge permit, effluent exceedances, inspections, penalties

Name: LACON STP, CITY OF, NPDES IL0029378: Clean Water Act discharge permit record
Creator: Velarion Records
License: https://www.usa.gov/government-works

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
1Pollutants with an effluent exceedance

LACON STP, CITY OF, held by LACON, CITY OF, holds NPDES permit IL0029378, which discharges to Illinois River. EPA’s file records it issued February 6, 2019 and expiring January 31, 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	LACON STP, CITY OF
Permittee as filed	LACON, CITY OF
NPDES ID	IL0029378
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 6, 2019
Expiration date	January 31, 2024
Address	Lacon, IL 61540
Receiving water	ILLINOIS RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Strawn Creek-Illinois River (HUC 071300011302)
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

8Pollutants on file
8Under a numeric limit
7With a violation of any kind
1With 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
BOD, carbonaceous [5 day, 20 C]	4	19	3	October 31, 2001	4% over the limit
Flow, in conduit or thru treatment plant	4	142	0
Solids, total suspended	5	81	0
BOD, 5-day, 20 deg. C	1	65	0
pH	2	8	0
Chlorine, total residual	2	6	0
Coliform, fecal general	1	3	0
Nitrogen, ammonia total [as N]	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 IL0029378.

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 IL0029378 there.

Nearby on the register

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

The Velarion Records page covers NPDES permit IL0029378, held by LACON, CITY OF for the LACON STP, CITY OF facility in Lacon, IL, which discharges to the ILLINOIS RIVER. The permit is listed as administratively continued, with a discharger class of Minor and a Publicly owned treatment works program, and it shows 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance. The permit was issued February 6, 2019 and was set to expire January 31, 2024.