Clean Water Act discharge permit · NPDES IL0024996

OGLESBY STP, CITY OF, Oglesby, IL: NPDES IL0024996 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
6Pollutants with an effluent exceedance

OGLESBY STP, CITY OF, held by OGLESBY, CITY OF, holds NPDES permit IL0024996, which discharges to Vermilion River. EPA’s file records it issued December 9, 2020 and expiring December 31, 2025. 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	OGLESBY STP, CITY OF
Permittee as filed	OGLESBY, CITY OF
NPDES ID	IL0024996
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	December 9, 2020
Expiration date	December 31, 2025
Address	Oglesby, IL 61348
Receiving water	VERMILION RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Headwaters Sandy Creek (HUC 071300010901)
Program components on file	Biosolids, CSO, 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

11Pollutants on file
11Under a numeric limit
10With a violation of any kind
6With 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]	10	167	131	July 31, 2026	708% over the limit
Chlorine, total residual	2	41	28	October 31, 2025	125% over the limit
Coliform, fecal general	2	29	27	July 31, 2026	99,999% over the limit
Oxygen, dissolved [DO]	5	15	12	July 31, 2026	24% over the limit
Solids, total suspended	6	71	6	July 31, 2026	35% over the limit
BOD, carbonaceous [5 day, 20 C]	4	41	5	June 30, 2026	68% over the limit
Flow, in conduit or thru treatment plant	4	36	0
BOD, 5-day, 20 deg. C	2	29	0
Flow	1	20	0
pH	2	18	0
Overflows	5	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 IL0024996.

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 IL0024996 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES IL0024996, held by OGLESBY, CITY OF for the OGLESBY STP, CITY OF facility in Oglesby, IL, which discharges to the Vermilion River. The permit is administratively continued, classed as a Minor discharger, with 11 pollutants under a numeric limit and 6 pollutants with an effluent exceedance.