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Clean Water Act discharge permit · NPDES INRA16795

WILLIAMSPORT SUBSTATION, Williamsport, IN: NPDES INRA16795 discharge permit, effluent exceedances, inspections, penalties

WILLIAMSPORT SUBSTATION, held by Brian Catt, holds NPDES permit INRA16795. EPA’s file records it issued September 10, 2025 and expiring September 9, 2030.

WILLIAMSPORT SUBSTATION, Williamsport, Indiana: Coverage under a general permit INRA16795, held by Brian Catt; Construction stormwater; Effective; issued September 10, 2025, term to September 9, 2030, by State.

  • February 17, 2026: Letter to Regulated Entity (State).
  • February 11, 2026: Evaluation (S).

Indiana holds 7,813 Construction stormwater coverages of this permit type in EPA’s file; 5,855 were issued before INRA16795. Brian Catt holds 21 permits in Indiana.

Other permits held by Brian Catt

Coverages issued nearest INRA16795

WILLIAMSPORT SUBSTATION among its neighbors

EPA’s permit file holds 13 discharge permits in the Fall Branch-Wabash River subwatershed (HUC 051201080603), INRA16795 among them.

Other permits in the Fall Branch-Wabash River subwatershed (HUC 051201080603)

Identity

Facility as filedWILLIAMSPORT SUBSTATION
Permittee as filedBrian Catt
NPDES IDINRA16795
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 10, 2025
Expiration dateSeptember 9, 2030
Issuing agencyState
AddressWilliamsport, IN 47993
SubwatershedFall Branch-Wabash River (HUC 051201080603)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRA16795.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRA16795.

Inspections

DateWhat EPA recordedAgency
February 11, 2026EvaluationS

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

DateWhat EPA recordedAgency
February 17, 2026Letter to Regulated EntityState

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit INRA16795 for WILLIAMSPORT SUBSTATION in Williamsport, IN, held by Brian Catt under a general permit for construction stormwater, with a status of Effective and a minor discharger class. The listed figures are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit is shown as issued September 10, 2025 and expiring September 9, 2030. The page reports that EPA's violation files hold no violation for this permit.