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Clean Water Act discharge permit · NPDES ILG640123

HAMILTON WATER TREATMENT PLANT, Hamilton, IL: NPDES ILG640123 discharge permit, effluent exceedances, inspections, penalties

HAMILTON WATER TREATMENT PLANT, held by HAMILTON, CITY OF, holds NPDES permit ILG640123, which discharges to Mississippi River. EPA’s file records it issued June 5, 2012 and expiring April 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedHAMILTON WATER TREATMENT PLANT
Permittee as filedHAMILTON, CITY OF
NPDES IDILG640123
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 5, 2012
Expiration dateApril 30, 2017
AddressHamilton, IL 62341
Receiving waterMISSISSIPPI RIVER
SubwatershedWaggoner Creek-Mississippi River (HUC 070801041805)

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
pH251May 31, 2011
Solids, total suspended240
Flow, in conduit or thru treatment plant240
Chlorine, total residual130
Chloride [as Cl]030
Solids, total dissolved010

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 ILG640123.

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 ILG640123 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES discharge permit ILG640123 for the HAMILTON WATER TREATMENT PLANT in Hamilton, IL, held by HAMILTON, CITY OF, with a status of administratively continued and a minor discharger class. The page lists 6 pollutants on file, 4 under a numeric limit, 6 with a violation of any kind, and 1 with an effluent exceedance, and it cites the Waggoner Creek-Mississippi River subwatershed (HUC 070801041805) for the Mississippi River receiving water.