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Clean Water Act discharge permit · NPDES AZC112863

RUNWAY SUBSTATION, AZ: NPDES AZC112863 discharge permit, effluent exceedances, inspections, penalties

RUNWAY SUBSTATION, held by Arizona Public Service - T&D, holds NPDES permit AZC112863, which discharges to Agua Fria River | I-10 - City Of Avondale Wwtp. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030. 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 RUNWAY SUBSTATION: its NPDES ID, its permit type and status, its dates, its address, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC112863.

Identity

Facility as filedRUNWAY SUBSTATION
Permittee as filedArizona Public Service - T&D
NPDES IDAZC112863
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 29, 2025
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressAZ 85072
Receiving waterAgua Fria River | I-10 - City of Avondale WWTP
SubwatershedCity of Glendale-Agua Fria River (HUC 150701020909)

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 AZC112863.

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 AZC112863.

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, AZC112863.

Start the watch

How often?
  • 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 AZC112863 there.

Nearby on the register

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