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Clean Water Act discharge permit · NPDES INRA15965

WESTFIELD 156TH STREET SUBSTATION, Westfield, IN: NPDES INRA15965 discharge permit, effluent exceedances, inspections, penalties

WESTFIELD 156TH STREET SUBSTATION, held by Brian Catt, holds NPDES permit INRA15965. EPA’s file records it issued May 7, 2025 and expiring May 6, 2030.

WESTFIELD 156TH STREET SUBSTATION, Westfield, Indiana: Coverage under a general permit INRA15965, held by Brian Catt; Construction stormwater; Effective; issued May 7, 2025, term to May 6, 2030, by State.

Indiana holds 7,813 Construction stormwater coverages of this permit type in EPA’s file; 5,095 were issued before INRA15965. Brian Catt holds 21 permits in Indiana.

Other permits held by Brian Catt

Coverages issued nearest INRA15965

WESTFIELD 156TH STREET SUBSTATION among its neighbors

EPA’s permit file holds 145 discharge permits in the Cool Creek subwatershed (HUC 051202011001), INRA15965 among them. Its county holds 116, 4 of them major permits; INRA15965 is a minor permit.

Other permits in the Cool Creek subwatershed (HUC 051202011001)

What the register holds for WESTFIELD 156TH STREET SUBSTATION: its NPDES ID, its permit type and status, its dates, its address in Westfield, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA15965.

Identity

Facility as filedWESTFIELD 156TH STREET SUBSTATION
Permittee as filedBrian Catt
NPDES IDINRA15965
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 7, 2025
Expiration dateMay 6, 2030
Issuing agencyState
AddressWestfield, IN 46074
SubwatershedCool Creek (HUC 051202011001)
Other EPA IDs (FRS)RCRA handler INR000153809

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRA15965.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRA15965.

Inspections

EPA’s inspection file holds no inspection for NPDES INRA15965.

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 INRA15965.

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, INRA15965.

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Nearby on the register

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

What this page shows

The WESTFIELD 156TH STREET SUBSTATION storm water construction permit, NPDES ID INRA15965, is one of 55 such permits on EPA's register in Hamilton County, Indiana. Among those 55 permits, 89.1% were issued earlier than this one, which took effect on May 7, 2025. The permit is also one of 145 NPDES permits in the Cool Creek subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on file.