Clean Water Act discharge permit · NPDES AZ0025020
ORO VALLEY WATER UTILITY, Oro Valley, AZ: NPDES AZ0025020 discharge permit, effluent exceedances, inspections, penalties
- Not neededPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ORO VALLEY WATER UTILITY holds NPDES permit AZ0025020, which discharges to Trib To Big Wash. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for ORO VALLEY WATER UTILITY: its NPDES ID, its permit type and status, its its address in Oro Valley, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZ0025020.
Identity
| Facility as filed | ORO VALLEY WATER UTILITY |
|---|---|
| Permittee as filed | ORO VALLEY WATER UTILITY |
| NPDES ID | AZ0025020 |
| Permit status | Not needed |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Address | Oro Valley, AZ 85737 |
| Receiving water | TRIB TO BIG WASH |
| Subwatershed | Lower Canada del Oro (HUC 150503010807) |
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 AZ0025020.
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 AZ0025020.
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, AZ0025020.
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 AZ0025020 there.
Nearby on the register
- Discharge permits in Oro Valley
- Every permit record in Oro Valley, A to Z
- Discharge permits in Arizona
- Every permit record in Arizona, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.