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Clean Water Act discharge permit · NPDES AZMS79759

CITY OF FLAGSTAFF - WILDCAT HILL WWTP, Flagstaff, AZ: NPDES AZMS79759 discharge permit, effluent exceedances, inspections, penalties

CITY OF FLAGSTAFF - WILDCAT HILL WWTP, held by Flagstaff Utilities Division, holds NPDES permit AZMS79759. EPA’s file records it issued January 6, 2020 and expiring December 30, 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 CITY OF FLAGSTAFF - WILDCAT HILL WWTP: its NPDES ID, its permit type and status, its dates, its address in Flagstaff, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS79759.

Identity

Facility as filedCITY OF FLAGSTAFF - WILDCAT HILL WWTP
Permittee as filedFlagstaff Utilities Division
NPDES IDAZMS79759
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
IssuedJanuary 6, 2020
Expiration dateDecember 30, 2024
AddressFlagstaff, AZ 86004
SubwatershedLower Rio de Flag (HUC 150200150104)

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 AZMS79759.

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 AZMS79759.

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, AZMS79759.

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  • One permit holder — $99/month
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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 AZMS79759 there.

Nearby on the register

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

What this page shows

CITY OF FLAGSTAFF - WILDCAT HILL WWTP is among the 21 general permit coverages in Coconino County, and 0.0% of those carry a violation on file. The Lower Rio de Flag subwatershed contains 80 NPDES permits, including this permit. Of the 20 general permit coverages in Coconino County, counting this permit, 20.0% were issued before it.