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Clean Water Act discharge permit · NPDES AZC115290

22449-18 - CLAUSEN GATE STATION GS5 UPGRADE - PHASE 1, AZ: NPDES AZC115290 discharge permit, effluent exceedances, inspections, penalties

22449-18 - CLAUSEN GATE STATION GS5 UPGRADE - PHASE 1, held by Hunter Contracting Co, holds NPDES permit AZC115290, which discharges to Central Arizona Project Aqueduct. EPA’s file records it issued March 16, 2026 and expiring August 28, 2030. 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 22449-18 - CLAUSEN GATE STATION GS5 UPGRADE - PHASE 1: 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 AZC115290.

Identity

Facility as filed22449-18 - CLAUSEN GATE STATION GS5 UPGRADE - PHASE 1
Permittee as filedHunter Contracting Co
NPDES IDAZC115290
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 16, 2026
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressAZ 85233
Receiving waterCentral Arizona Project Aqueduct
SubwatershedCholla Mountain (HUC 150501000709)

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 AZC115290.

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 AZC115290.

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.

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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 AZC115290 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES AZC115290 for 22449-18 - CLAUSEN GATE STATION GS5 UPGRADE - PHASE 1 in Arizona, held by Hunter Contracting Co, with a status of Effective and a Minor discharger classification. The figures listed are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.