Clean Water Act discharge permit · NPDES INRA09995

SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD, New Castle, IN: NPDES INRA09995 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD, held by Corey Murphy, New Castle Board of Aviation Commissioners, holds NPDES permit INRA09995. EPA’s file records it issued June 23, 2022 and expiring June 22, 2027.

SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD, New Castle, Indiana: Coverage under a general permit INRA09995, held by Corey Murphy, New Castle Board of Aviation Commissioners; Construction stormwater; Effective; issued June 23, 2022, term to June 22, 2027, by State.

Indiana holds 7,813 Construction stormwater coverages of this permit type in EPA’s file; 642 were issued before INRA09995.

Coverages issued nearest INRA09995

June 22, 2022: CATHEDRAL HIGH SCHOOL DRAINAGE IMPROVEMENTS, Indianapolis, INRA09941, held by Rolly Landeros, Cathedral High School
June 22, 2022: COLUMBUS CHRISTIAN SCHOOL CLASSROOM ADDITION, Columbus, INRA09988, held by Dan Lunsford, East Columbus Christian Church
June 23, 2022: BILL MOSLEY PARK RENOVATION, Sellersburg, INRA09992, held by Charlie Smith, Town of Sellersburg
June 23, 2022: BRIAR POINTE, Evansville, INRA09993, held by John Elpers, Briar Pointe Development, LLC
June 23, 2022: CARRAMORE, SECTION 2, Westfield, INRA09994, held by Sean Downey, Clayton Properties Group, Inc.
June 23, 2022: CASAD DEPOT, New Haven, INRA09996, held by Steve Andorfer, Casad Industrial Park, LLC
June 23, 2022: VILLAS AT EAGLES POINT, Washington, INRA09998, held by Jeffrey Steimel, Steimel Construction
June 23, 2022: YODER PROPERTY, Upland, INRA09999, held by James Yoder
June 23, 2022: JACKSON COUNTY WATER - BROWNSTOWN WATER MAINS, Brownstown, INRA10000, held by Larry Macintosh, Jackson County Water Utility, Inc.
June 23, 2022: WESTCHESTER INTERMEDIATE SCHOOL, Chesterton, INRA10001, held by Adam McAlpine, McAlpine Consulting LLC

SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD among its neighbors

EPA’s permit file holds 6 discharge permits in the Rock Branch-Flatrock River subwatershed (HUC 051202050102), INRA09995 among them.

Other permits in the Rock Branch-Flatrock River subwatershed (HUC 051202050102)

GREDE LLC, New Castle: INRM00058, minor permit, discharging to Foster Ditch, permit term to August 22, 2024
MILCO DAIRY, Lewisville: INRA17032, minor permit, permit term to October 20, 2030
SOUTH HENRY RWD WWTP, Lewisville: IN0055131, minor permit, discharging to E FK WHITE R VIA FLATROCK R, permit term to August 31, 2026
TS TECH SOLAR DRAINAGE IMPROVEMENTS, New Castle: INRA09861, minor permit, permit term to June 5, 2027
WATER FACILITIES IMPROVEMENTS PROJECT, Lewisville: INRA06834, minor permit, permit term to December 27, 2025

What the register holds for SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD: its NPDES ID, its permit type and status, its dates, its address in New Castle, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA09995.

Identity

Facility as filed	SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD
Permittee as filed	Corey Murphy, New Castle Board of Aviation Commissioners
NPDES ID	INRA09995
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	June 23, 2022
Expiration date	June 22, 2027
Issuing agency	State
Address	New Castle, IN 46204
Subwatershed	Rock Branch-Flatrock River (HUC 051202050102)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRA09995.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRA09995.

Inspections

EPA’s inspection file holds no inspection for NPDES INRA09995.

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 INRA09995.

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, INRA09995.

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Nearby on the register

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

Of the 14 storm water construction permits in New Castle, 0.0% have a violation on file, and SKY CASTLE AIRPORT HENRY COUNTY MARLATT FIELD is among them. Counting this permit, 28.6% of New Castle's permits were issued earlier than it. The Rock Branch-Flatrock River subwatershed lists 6 NPDES permits, counting this permit.