Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES COR900199

GUNNISON/CRESTED BUTTE REGIONAL AIRPORT, Gunnison, CO: NPDES COR900199 discharge permit, effluent exceedances, inspections, penalties

GUNNISON/CRESTED BUTTE REGIONAL AIRPORT, held by Gunnison County, holds NPDES permit COR900199, which discharges to Tomichi Creek - Gunnison River. EPA’s file records it issued May 18, 2012 and expiring June 30, 2017. 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.

Identity

Facility as filedGUNNISON/CRESTED BUTTE REGIONAL AIRPORT
Permittee as filedGunnison County
NPDES IDCOR900199
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMay 18, 2012
Expiration dateJune 30, 2017
AddressGunnison, CO 81230
Receiving waterTomichi Creek - Gunnison River
SubwatershedChance Gulch-Tomichi Creek (HUC 140200030605)

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

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Perfluorooctanoic acid (PFOA)0120
Perfluorobutanoic acid (PFBA)0120
Perfluorooctanesulfonamide (PFOSA)0120
Perfluoropentanoic acid (PFPeA)0120
Perfluorohexanoic acid (PFHxA)0120
Perfluoroheptanoic acid (PFHpA)0120
Perfluorononanoic acid (PFNA)0120
Perfluorodecanoic acid (PFDA)0120
Perfluoroundecanoic acid (PFUnA)0120
Perfluorododecanoic acid (PFDoA)0120
Perfluorotridecanoic acid (PFTrDA)0120
Perfluorotetradecanoic acid (PFTeDA)0120
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)0120
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)0120
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)0120
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)0120
Perfluorobutanesulfonic acid (PFBS)0120
Perfluorodecanesulfonic acid (PFDS)0120
Perfluoroheptanesulfonic acid (PFHpS)0120
Perfluorohexanesulfonic acid (PFHxS)0120
Perfluorooctanesulfonic acid (PFOS)0120
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)0120
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)0120
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)0120
Perfluoropentanesulfonic acid (PFPeS)0120
Perfluorononanesulfonic acid (PFNS)0120
Hexafluoropropylene oxide dimer acid (HFPO-DA)0120
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)0120
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)0120
Perfluorododecanesulfonic acid (PFDoS)0120
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)0120
N-methyl perfluorooctanesulfonamide (NMeFOSA)0120
N-ethyl perfluorooctanesulfonamide (NEtFOSA)0120
PFAS Sum0120
3-Perfluoropropyl propanoic acid (3:3 FTCA)0120
Perfluoro-3-methoxypropanoic acid (PFMPA)0120
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)0120
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)0120
3-Perfluoroheptyl propanoic acid (7:3 FTCA)0120
Perfluoro-4-methoxybutanoic acid (PFMBA)0120
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)0120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900199.

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 COR900199.

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, COR900199.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 COR900199 there.

Nearby on the register

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

What this page shows

GUNNISON/CRESTED BUTTE REGIONAL AIRPORT is among 8 storm water industrial permits in Gunnison County, and 0.0% of those 8, including this permit, predate it. 62.5% of those 8 permits carry a violation on file.