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Clean Water Act discharge permit · NPDES AZC108237

APS HADLEY SUBSTATION, Phoenix, AZ: NPDES AZC108237 discharge permit, effluent exceedances, inspections, penalties

APS HADLEY SUBSTATION, held by Arizona Public Service - T&D, holds NPDES permit AZC108237. EPA’s file records it issued March 25, 2025 and expiring June 30, 2025.

APS HADLEY SUBSTATION, Phoenix, Arizona: Coverage under a general permit AZC108237, held by Arizona Public Service - T&D; Administratively continued (past its expiration date and still in force until reissued); issued March 25, 2025, term to June 30, 2025.

Other permits held by Arizona Public Service - T&D

APS HADLEY SUBSTATION among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZC108237 among them.

Other permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305)

What the register holds for APS HADLEY SUBSTATION: 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 AZC108237.

Identity

Facility as filedAPS HADLEY SUBSTATION
Permittee as filedArizona Public Service - T&D
NPDES IDAZC108237
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
IssuedMarch 25, 2025
Expiration dateJune 30, 2025
AddressPhoenix, AZ 85034
SubwatershedCity of Phoenix-Salt River (HUC 150601060305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC108237.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC108237.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC108237.

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 AZC108237.

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, AZC108237.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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Nearby on the register

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

What this page shows

APS HADLEY SUBSTATION is one of 311 general permit coverages in Phoenix, and 56.3% of those coverages carry an earlier issue date than this one. The permit also sits within the City of Phoenix-Salt River subwatershed, which holds 542 NPDES permits including this one, and 0.0% of the Phoenix general permit coverages show a violation on file, as does this permit, which records 0 pollutants with an effluent exceedance.