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
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. 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 VAIL SUBSTATION: 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 AZC115108.
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) |
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 AZC115108.
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 AZC115108.
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, 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
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 AZC115108 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.