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Clean Water Act discharge permit · NPDES IL0029734

MARION-WRF, CITY OF, Marion, IL: NPDES IL0029734 discharge permit, effluent exceedances, inspections, penalties

MARION-WRF, CITY OF, held by MARION, CITY OF, holds NPDES permit IL0029734, which discharges to West End Creek. EPA’s file records it issued May 20, 2020 and expiring May 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 filedMARION-WRF, CITY OF
Permittee as filedMARION, CITY OF
NPDES IDIL0029734
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMay 20, 2020
Expiration dateMay 31, 2025
AddressMarion, IL 62959
Receiving waterWEST END CREEK
SubwatershedLimb Branch-Crab Orchard Creek (HUC 071401060802)
Program components on fileBiosolids, POTW
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
Coliform, fecal general2129July 31, 20123,542% over the limit
Phosphorus, total [as P]4157June 30, 202645% over the limit
Solids, total suspended6195January 31, 200557% over the limit
Nitrogen, ammonia total [as N]22155April 30, 2021200% over the limit
Arsenic, dry weight022December 31, 200673% over the limit
BOD, carbonaceous [5 day, 20 C]4120
Flow, in conduit or thru treatment plant480
Oxygen, dissolved [DO]560
BOD, 5-day, 20 deg. C260
Chlorine, total residual150
pH240
Nitrogen, total [as N]140
Flow140
Molybdenum, sludge, total, dry weight [as Mo]030
Lead, total [as Pb]220
Cyanide, total [as CN]210
Zinc, total [as Zn]600
Oil & Grease200
Cyanide, free [amenable to chlorination]200
Fluoride, total [as F]200
Arsenic, total [as As]200
Barium, total [as Ba]200
Cadmium, total [as Cd]200
Chromium, hexavalent [as Cr]200
Chromium, total [as Cr]200
Copper, total [as Cu]200
Iron, total [as Fe]200
Iron, dissolved [as Fe]200
Manganese, total [as Mn]200
Nickel, total [as Ni]200
Silver, total [as Ag]200
Selenium, total [as Se]200
Phenolics, total recoverable200
Mercury, total [as Hg]200

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

The newest 50 of 92.

DateWhat EPA recordedAgency
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
August 6, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 11, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 4, 2026Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangermentST6
May 25, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 7, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 4, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 4, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 4, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 4, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
March 4, 2026Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
September 22, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
September 22, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 19, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 19, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 19, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
July 19, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 17, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 17, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 17, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 17, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 6, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 6, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 6, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 6, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
June 6, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
May 28, 2025Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
May 12, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 5, 2025Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6

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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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit IL0029734 held by MARION, CITY OF for the MARION-WRF facility in Marion, IL, which discharges to WEST END CREEK and is listed as a Major Discharger under administrative continuation. The page lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, with an issue date of May 20, 2020 and an expiration date of May 31, 2025.