Velarion Records

Clean Water Act discharge permit · NPDES COR10I018

DURANGO AIRPORT TERMINAL EXPANSION PHASE 1B, Durango, CO: NPDES COR10I018 discharge permit, effluent exceedances, inspections, penalties

DURANGO AIRPORT TERMINAL EXPANSION PHASE 1B, held by Nunn Construction, holds NPDES permit COR10I018. EPA’s file records it issued August 9, 2024 and expiring February 16, 2027. 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 DURANGO AIRPORT TERMINAL EXPANSION PHASE 1B: its NPDES ID, its permit type and status, its dates, its address in Durango, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR10I018.

Identity

Facility as filedDURANGO AIRPORT TERMINAL EXPANSION PHASE 1B
Permittee as filedNunn Construction
NPDES IDCOR10I018
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 9, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressDurango, CO 81303
SubwatershedCottonwood Gulch-Florida River (HUC 140801040803)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR10I018.

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 COR10I018.

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, COR10I018.

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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 COR10I018 there.

Nearby on the register

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

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