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Clean Water Act discharge permit · NPDES INRM03232

POLYGON COMPANY, Walkerton, IN: NPDES INRM03232 discharge permit, effluent exceedances, inspections, penalties

POLYGON COMPANY, held by Polygon Company, holds NPDES permit INRM03232. EPA’s file records it issued November 5, 2025 and expiring November 4, 2030. 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.

What the register holds for POLYGON COMPANY: its NPDES ID, its permit type and status, its dates, its address in Walkerton, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM03232.

Identity

Facility as filedPOLYGON COMPANY
Permittee as filedPolygon Company
NPDES IDINRM03232
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 5, 2025
Expiration dateNovember 4, 2030
Issuing agencyIDEM
AddressWalkerton, IN 46574
SubwatershedPeter Sarber Ditch-Pine Creek (HUC 071200010103)
Other EPA IDs (FRS)RCRA handler IND005476742; ICIS-AIR source IN0000001814100062

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRM03232.

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 INRM03232.

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 INRM03232 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 NPDES permit INRM03232, held by POLYGON COMPANY in Walkerton, IN, with a status of Effective and an issue date of November 5, 2025 and expiration on November 4, 2030. The facts list a discharger class of 0, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, with no violations recorded in the effluent or single-event violation files for this permit.