Clean Water Act discharge permit · NPDES AZC111148
COTTONWOOD AIRPORT (CTW) HANGARS, AZ: NPDES AZC111148 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COTTONWOOD AIRPORT (CTW) HANGARS, held by Grand Canyon State Development, Llc, holds NPDES permit AZC111148, which discharges to Del Monte Wash. EPA’s file records it issued September 6, 2025 and expiring August 28, 2030. 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 COTTONWOOD AIRPORT (CTW) HANGARS: its NPDES ID, its permit type and status, its dates, its address, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC111148.
Identity
| Facility as filed | COTTONWOOD AIRPORT (CTW) HANGARS |
|---|---|
| Permittee as filed | Grand Canyon State Development, Llc |
| NPDES ID | AZC111148 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 6, 2025 |
| Expiration date | August 28, 2030 |
| Issuing agency | ADEQ |
| Address | AZ 85142 |
| Receiving water | Del Monte Wash |
| Subwatershed | Mescal Gulch-Verde River (HUC 150602020702) |
Cited to the EPA ICIS-NPDES permit file (ECHO 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 AZC111148.
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 AZC111148.
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, AZC111148.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 AZC111148 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.