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Clean Water Act discharge permit · NPDES NCC252131

WILMINGTON INTERNATIONAL AIRPORT, Wilmington, NC: NPDES NCC252131 discharge permit, effluent exceedances, inspections, penalties

WILMINGTON INTERNATIONAL AIRPORT, held by New Hanover County Airport Authority, holds NPDES permit NCC252131. EPA’s file records it issued July 21, 2025 and expiring March 31, 2029. 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 WILMINGTON INTERNATIONAL AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Wilmington, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCC252131.

Identity

Facility as filedWILMINGTON INTERNATIONAL AIRPORT
Permittee as filedNew Hanover County Airport Authority
NPDES IDNCC252131
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 21, 2025
Expiration dateMarch 31, 2029
AddressWilmington, NC 28405
SubwatershedSmith Creek (HUC 030300070808)
Other EPA IDs (FRS)RCRA handler NCS000000540

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCC252131.

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 NCC252131.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

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, NCC252131.

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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 NCC252131 there.

Nearby on the register

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

What this page shows

The WILMINGTON INTERNATIONAL AIRPORT general permit coverage in Wilmington, North Carolina, is one of 33 general permit coverages on EPA's NPDES register in New Hanover County, this one included. Among those 33 coverages, 0.0% have a violation on file, and 75.8% of them carry an issue date earlier than this permit's July 21, 2025 issuance. The permit also sits within the Smith Creek subwatershed, which holds 67 NPDES permits, this one included.