Velarion Records

Clean Water Act discharge permit · NPDES IL0020184

OREGON STP, CITY OF, Oregon, IL: NPDES IL0020184 discharge permit, effluent exceedances, inspections, penalties

OREGON STP, CITY OF, held by OREGON, CITY OF, holds NPDES permit IL0020184, which discharges to Rock River. EPA’s file records it issued May 17, 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 filedOREGON STP, CITY OF
Permittee as filedOREGON, CITY OF
NPDES IDIL0020184
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMay 17, 2019
Expiration dateApril 30, 2024
AddressOregon, IL 61061
Receiving waterROCK RIVER
Receiving water impaired303(D) Listed
SubwatershedSilver Creek-Rock River (HUC 070900050408)
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual2159August 31, 2017200% over the limit
BOD, carbonaceous [5 day, 20 C]4139May 31, 2011178% over the limit
Solids, total suspended533May 31, 201156% over the limit
Coliform, fecal general122May 31, 20112,400% over the limit
Flow020
Flow, in conduit or thru treatment plant400
pH200
BOD, 5-day, 20 deg. C100
Nitrogen, ammonia total [as N]100
Overflows100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0020184.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0020184.

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How we handle your data → Privacy

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 IL0020184 there.

Nearby on the register

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

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