Velarion Records

Clean Water Act discharge permit · NPDES IL0022411

MT STERLING - STP, CITY OF, Mount Sterling, IL: NPDES IL0022411 discharge permit, effluent exceedances, inspections, penalties

MT STERLING - STP, CITY OF, held by MT STERLING, CITY OF, holds NPDES permit IL0022411, which discharges to Unnamed Trib To West Creek. EPA’s file records it issued January 8, 2018 and expiring January 31, 2023. 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 filedMT STERLING - STP, CITY OF
Permittee as filedMT STERLING, CITY OF
NPDES IDIL0022411
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
IssuedJanuary 8, 2018
Expiration dateJanuary 31, 2023
AddressMount Sterling, IL 62353
Receiving waterUNNAMED TRIB TO WEST CREEK
SubwatershedWest Creek-La Moine River (HUC 071300101202)
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
Solids, total suspended1112264June 30, 2022686% over the limit
Coliform, fecal general34026June 30, 201199,999% over the limit
BOD, carbonaceous [5 day, 20 C]44319March 31, 2021156% over the limit
BOD, 5-day, 20 deg. C7449April 30, 2012907% over the limit
Oxygen, dissolved [DO]9326August 31, 201328% over the limit
Chlorine, total residual3253February 29, 2008221% over the limit
pH6391June 30, 2001
Flow, in conduit or thru treatment plant6380
Nitrogen, ammonia total [as N]5170
Flow, total3140

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 IL0022411.

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, IL0022411.

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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 IL0022411 there.

Nearby on the register

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

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