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Clean Water Act discharge permit · NPDES INRA14458

MICHIGAN CITY SWPP, Michigan City, IN: NPDES INRA14458 discharge permit, effluent exceedances, inspections, penalties

MICHIGAN CITY SWPP, held by Ross Marshall, holds NPDES permit INRA14458. EPA’s file records it issued August 16, 2024 and expiring August 15, 2029.

MICHIGAN CITY SWPP, Michigan City, Indiana: Coverage under a general permit INRA14458, held by Ross Marshall; Construction stormwater; Effective; issued August 16, 2024, term to August 15, 2029, by State.

Indiana holds 7,813 Construction stormwater coverages of this permit type in EPA’s file; 3,820 were issued before INRA14458. Ross Marshall holds 2 permits in Indiana.

Other permits held by Ross Marshall

Coverages issued nearest INRA14458

MICHIGAN CITY SWPP among its neighbors

EPA’s permit file holds 14 discharge permits in the West Branch Trail Creek subwatershed (HUC 040400010103), INRA14458 among them.

Other permits in the West Branch Trail Creek subwatershed (HUC 040400010103)

What the register holds for MICHIGAN CITY SWPP: its NPDES ID, its permit type and status, its dates, its address in Michigan City, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA14458.

Identity

Facility as filedMICHIGAN CITY SWPP
Permittee as filedRoss Marshall
NPDES IDINRA14458
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 16, 2024
Expiration dateAugust 15, 2029
Issuing agencyState
AddressMichigan City, IN 46360
SubwatershedWest Branch Trail Creek (HUC 040400010103)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRA14458.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRA14458.

Inspections

EPA’s inspection file holds no inspection for NPDES INRA14458.

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 INRA14458.

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, INRA14458.

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Nearby on the register

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

What this page shows

The MICHIGAN CITY SWPP is one of 39 storm water construction permits on EPA's NPDES register in Michigan City, Indiana, including this one. It sits among 14 NPDES permits in the West Branch Trail Creek subwatershed, and 38.5% of the Michigan City storm water construction permits were issued earlier than this one. Of those 39 Michigan City storm water construction permits, 0.0% have a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances on record.