Clean Water Act discharge permit · NPDES AZMS94101
MI METALS - PRESCOTT VALLEY PLANT, Prescott Valley, AZ: NPDES AZMS94101 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MI METALS - PRESCOTT VALLEY PLANT, held by Mi Metals, Inc., holds NPDES permit AZMS94101. EPA’s file records it issued April 19, 2022 and expiring December 31, 2024. 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 MI METALS - PRESCOTT VALLEY PLANT: its NPDES ID, its permit type and status, its dates, its address in Prescott Valley, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS94101.
Identity
| Facility as filed | MI METALS - PRESCOTT VALLEY PLANT |
|---|---|
| Permittee as filed | Mi Metals, Inc. |
| NPDES ID | AZMS94101 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 19, 2022 |
| Expiration date | December 31, 2024 |
| Address | Prescott Valley, AZ 86314 |
| Subwatershed | Lynx Creek (HUC 150701020205) |
| Other EPA IDs (FRS) | RCRA handler AZD039534995; ICIS-AIR source AZ00000004025Z2595 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 AZMS94101.
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 AZMS94101.
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, AZMS94101.
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 AZMS94101 there.
Nearby on the register
- Discharge permits in Prescott Valley
- Every permit record in Prescott Valley, A to Z
- Discharge permits in Arizona
- Every permit record in Arizona, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.