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Clean Water Act discharge permit · NPDES AZMS81040

COOLIDGE HMA PLANT, Coolidge, AZ: NPDES AZMS81040 discharge permit, effluent exceedances, inspections, penalties

COOLIDGE HMA PLANT, held by Vulcan Asphalt, Llc, holds NPDES permit AZMS81040. EPA’s file records it issued February 25, 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 COOLIDGE HMA PLANT: its NPDES ID, its permit type and status, its dates, its address in Coolidge, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS81040.

Identity

Facility as filedCOOLIDGE HMA PLANT
Permittee as filedVulcan Asphalt, Llc
NPDES IDAZMS81040
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
IssuedFebruary 25, 2020
Expiration dateDecember 30, 2024
AddressCoolidge, AZ 85128
SubwatershedTown of Adamsville-Gila River (HUC 150501000710)
Other EPA IDs (FRS)RCRA handler AZD983475849

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZMS81040.

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 AZMS81040.

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, AZMS81040.

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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 AZMS81040 there.

Nearby on the register

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

What this page shows

The COOLIDGE HMA PLANT permit, held by Vulcan Asphalt, Llc, is one of 34 general permit coverages in Pinal County, and 26.5% of those 34 coverages carry an earlier issue date than this one. The permit sits among 12 NPDES permits in the Town of Adamsville-Gila River subwatershed, this one included. Of the Pinal County general permit coverages, 0.0% have a violation on file, and the permit itself records no pollutants under a numeric limit and no effluent exceedances.