Clean Water Act discharge permit · NPDES AZC115108
VAIL SUBSTATION, AZ: NPDES AZC115108 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
VAIL SUBSTATION, held by Tucson Electric Power Company, holds NPDES permit AZC115108, which discharges to Airport Wash South Fork. EPA’s file records it issued March 5, 2026 and expiring August 28, 2030.
VAIL SUBSTATION, Arizona: Coverage under a general permit AZC115108, held by Tucson Electric Power Company; Effective; issued March 5, 2026, term to August 28, 2030, by ADEQ; discharges to Airport Wash South Fork.
- October 26, 2026: Evaluation (S).
Other permits held by Tucson Electric Power Company
- TUCSON ELECTRIC POWER - NORTH LOOP, Marana: AZ0024821, issued February 26, 2019
- CHEYENNE SUBSTATION: AZC103172, issued March 29, 2024
- HOUGHTON PI - UNDERGROUND 2025: AZC106717, issued December 31, 2024
- TEP GLOBAL WATER CONSTRUCTION PROJECT: AZC106759, issued January 6, 2025
- AZTEC MIDDLE COLLEGE, Tucson: AZC107655, issued February 21, 2025
- HOUGHTON P2 - UNDERGROUND 2025-2026: AZC109794, issued June 18, 2025
- MOHAVE VALLEY LANDFILL, Mohave Valley: AZC110530, issued August 14, 2025
- IRVINGTON GENERATING STATION, Tucson: AZC112129, issued September 29, 2025
- RIO RICO SWITCHYARD SUBSTATION, Rio Rico: AZC113568, issued November 25, 2025
- RIO RICO SWITCHYARD SUBSTATION, Rio Rico: AZC113638, issued December 4, 2025
VAIL SUBSTATION among its neighbors
EPA’s permit file holds 63 discharge permits in the Airport Wash subwatershed (HUC 150503010902), AZC115108 among them.
Other permits in the Airport Wash subwatershed (HUC 150503010902)
- ALASKA AIRLINES, Tucson: AZI107198, minor permit, discharging to Airport Wash South Fork, permit term to January 15, 2030
- AMAZON SERVICES, LLC- TUS5, Tucson: AZI108631, minor permit, discharging to Airport Wash North Fork, permit term to January 15, 2030
- AMAZON SERVICES, LLC- TUS5, Tucson: AZMS90372, minor permit, permit term to December 31, 2024
- AMAZON.COM SERVICES LLC - TUS5, Tucson: AZCN87098, minor permit, permit term to June 30, 2025
- AMERICAN AIRLINES, Tucson: AZI108763, minor permit, discharging to Airport Wash, permit term to January 15, 2030
- AMERICAN AIRLINES, Unknown: AZMS80628, minor permit, permit term to December 30, 2024
- ATLANTIC AVIATION, Tucson: AZI107118, minor permit, discharging to Airport Wash, permit term to January 15, 2030
- ATLANTIC AVIATION, Tucson: AZMS79800, minor permit, permit term to December 30, 2024
- ATLAS COPCO, Tucson: AZMS68358, minor permit, permit term to October 16, 2022
- AZ800 ROADRUNNER RESERVE II, Unknown: AZC105083, minor permit, permit term to June 30, 2025
Identity
| Facility as filed | VAIL SUBSTATION |
|---|---|
| Permittee as filed | Tucson Electric Power Company |
| NPDES ID | AZC115108 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 5, 2026 |
| Expiration date | August 28, 2030 |
| Issuing agency | ADEQ |
| Address | AZ 85714 |
| Receiving water | Airport Wash South Fork |
| Subwatershed | Airport Wash (HUC 150503010902) |
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 AZC115108.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC115108.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| October 26, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES AZC115108.
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, AZC115108.
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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.