Clean Water Act discharge permit · NPDES AZMS97089
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, Phoenix, AZ: NPDES AZMS97089 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, held by Tsmc Arizona Corporation, holds NPDES permit AZMS97089. EPA’s file records it issued December 9, 2022 and expiring December 31, 2024. 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 TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY: its NPDES ID, its permit type and status, its dates, its address in Phoenix, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS97089.
Identity
| Facility as filed | TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY |
|---|---|
| Permittee as filed | Tsmc Arizona Corporation |
| NPDES ID | AZMS97089 |
| 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 | December 9, 2022 |
| Expiration date | December 31, 2024 |
| Address | Phoenix, AZ 85083 |
| Subwatershed | Middle Skunk Creek (HUC 150701020806) |
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 AZMS97089.
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 AZMS97089.
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
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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 AZMS97089 there.
Nearby on the register
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- Discharge permits in Arizona
- Every permit record in Arizona, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.