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Clean Water Act discharge permit · NPDES AZC108461

TSMC ARIZONA - MAIN OFFICE, AZ: NPDES AZC108461 discharge permit, effluent exceedances, inspections, penalties

TSMC ARIZONA - MAIN OFFICE, held by Okland Construction Company, Inc., holds NPDES permit AZC108461. EPA’s file records it issued April 4, 2025 and expiring June 30, 2025. 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 TSMC ARIZONA - MAIN OFFICE: its NPDES ID, its permit type and status, its dates, its address, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC108461.

Identity

Facility as filedTSMC ARIZONA - MAIN OFFICE
Permittee as filedOkland Construction Company, Inc.
NPDES IDAZC108461
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 4, 2025
Expiration dateJune 30, 2025
AddressAZ 85255
SubwatershedMiddle Skunk Creek (HUC 150701020806)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC108461.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC108461.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC108461.

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 AZC108461.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 AZC108461 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES AZC108461 for TSMC ARIZONA - MAIN OFFICE, held by Okland Construction Company, Inc., with the permit listed as administratively continued and classed as a minor discharger. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it records no violation for this permit in EPA's effluent violation or single-event violation files.