Clean Water Act discharge permit · NPDES COR900221

MACK MESA AIRPORT, Mack, CO: NPDES COR900221 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

MACK MESA AIRPORT, held by Mack Mesa Airport, holds NPDES permit COR900221, which discharges to East Salt Creek - Salt Creek. EPA’s file records it issued June 26, 2012 and expiring June 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MACK MESA AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Mack, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR900221.

Identity

Facility as filed	MACK MESA AIRPORT
Permittee as filed	Mack Mesa Airport
NPDES ID	COR900221
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	June 26, 2012
Expiration date	June 30, 2017
Address	Mack, CO 81525
Receiving water	East Salt Creek - Salt Creek
Subwatershed	Lower East Salt Creek (HUC 140100051807)
SIC	4581 – Airports, Flying Fields, & Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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 COR900221.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900221.

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, COR900221.

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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 COR900221 there.

Nearby on the register

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

The Mack Mesa Airport storm water industrial general permit coverage (NPDES ID COR900221) is the only NPDES permit in the Lower East Salt Creek subwatershed, and it sits among 42 storm water industrial permits in Mesa County, where 54.8% of those permits have a violation on file. Like the peers, it records no pollutants under a numeric limit and no pollutants with an effluent exceedance, and it was issued earlier than 46.3% of the 41 storm water industrial permits in Mesa County.