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Clean Water Act discharge permit · NPDES INRA16233

GRISSOM AEROPLEX, Bunker Hill, IN: NPDES INRA16233 discharge permit, effluent exceedances, inspections, penalties

GRISSOM AEROPLEX, held by Rob Miller, holds NPDES permit INRA16233. EPA’s file records it issued June 12, 2025 and expiring June 11, 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 GRISSOM AEROPLEX: its NPDES ID, its permit type and status, its dates, its address in Bunker Hill, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA16233.

Identity

Facility as filedGRISSOM AEROPLEX
Permittee as filedRob Miller
NPDES IDINRA16233
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 12, 2025
Expiration dateJune 11, 2030
Issuing agencyState
AddressBunker Hill, IN 46914
SubwatershedBear Creek-Pipe Creek (HUC 051201011507)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRA16233.

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 INRA16233.

Inspections

EPA’s inspection file holds no inspection for NPDES INRA16233.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES INRA16233.

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

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How we handle your data → Privacy

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 INRA16233 there.

Nearby on the register

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

What this page shows

Bunker Hill has 3 storm water construction permits on EPA's NPDES register, with GRISSOM AEROPLEX among them. The Bear Creek-Pipe Creek subwatershed carries 17 NPDES permits of every kind, this permit included.