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Clean Water Act discharge permit · NPDES IL0025097

ATWOOD STP, VILLAGE OF, Atwood, IL: NPDES IL0025097 discharge permit, effluent exceedances, inspections, penalties

ATWOOD STP, VILLAGE OF, held by ATWOOD, VILLAGE OF, holds NPDES permit IL0025097, which discharges to Lake Fork Branch Of Kaskaskia River. EPA’s file records it issued December 31, 2018 and expiring December 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedATWOOD STP, VILLAGE OF
Permittee as filedATWOOD, VILLAGE OF
NPDES IDIL0025097
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
IssuedDecember 31, 2018
Expiration dateDecember 31, 2023
AddressAtwood, IL 61913
Receiving waterLAKE FORK BRANCH OF KASKASKIA RIVER
SubwatershedPanther Creek (HUC 051201140409)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Nitrogen, ammonia total [as N]21167125April 30, 2026936% over the limit
Solids, total suspended89060April 30, 20261,067% over the limit
Coliform, fecal general24138May 31, 20269,900% over the limit
BOD, carbonaceous [5 day, 20 C]4317November 30, 202590% over the limit
Oxygen, dissolved [DO]8295October 31, 202535% over the limit
pH4182September 30, 2025
BOD, 5-day, 20 deg. C482March 31, 202273% over the limit
Flow, in conduit or thru treatment plant4260
Chlorine, total residual270
Flow, total220

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

DateWhat EPA recordedAgency
April 28, 2026Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environmentST6
April 28, 2026Dry-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.

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, IL0025097.

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  • One state — $4,990/year
  • The whole register — $18,000/year

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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 IL0025097 there.

Nearby on the register

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