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Clean Water Act discharge permit · NPDES AZMS81164

FREEPORT-MCMORAN MIAMI INC, Claypool, AZ: NPDES AZMS81164 discharge permit, effluent exceedances, inspections, penalties

FREEPORT-MCMORAN MIAMI INC, held by Freeport-Mcmoran Miami Inc., holds NPDES permit AZMS81164. EPA’s file records it issued February 26, 2020 and expiring December 30, 2024.

FREEPORT-MCMORAN MIAMI INC, Claypool, Arizona: Coverage under a general permit AZMS81164, held by Freeport-Mcmoran Miami Inc.; Administratively continued (past its expiration date and still in force until reissued); issued February 26, 2020, term to December 30, 2024.

Other permits held by Freeport-Mcmoran Miami Inc.

FREEPORT-MCMORAN MIAMI INC among its neighbors

EPA’s permit file holds 8 discharge permits in the Bloody Tanks Wash subwatershed (HUC 150601030602), AZMS81164 among them. Its county holds 29, 2 of them major permits; AZMS81164 is a minor permit.

Other permits in the Bloody Tanks Wash subwatershed (HUC 150601030602)

What the register holds for FREEPORT-MCMORAN MIAMI INC: its NPDES ID, its permit type and status, its dates, its address in Claypool, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS81164.

Identity

Facility as filedFREEPORT-MCMORAN MIAMI INC
Permittee as filedFreeport-Mcmoran Miami Inc.
NPDES IDAZMS81164
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 26, 2020
Expiration dateDecember 30, 2024
AddressClaypool, AZ 85532
SubwatershedBloody Tanks Wash (HUC 150601030602)
Other EPA IDs (FRS)RCRA handler AZD060624251; ICIS-AIR source AZ00000004007Z0898

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZMS81164.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZMS81164.

Inspections

EPA’s inspection file holds no inspection for NPDES AZMS81164.

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 AZMS81164.

Watch this permit

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Nearby on the register

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

What this page shows

Freeport-Mcmoran Miami Inc.'s general permit coverage in Claypool, Gila County, Arizona, is one of 11 general permit coverages in that county on EPA's NPDES register, and 0.0% of those 11 coverages carry a violation on file. Of all 11 Gila County general permit coverages, this one included, 63.6% were issued earlier than this permit's February 26, 2020 issue date. The permit, filed as FREEPORT-MCMORAN MIAMI INC under NPDES ID AZMS81164, sits within the Bloody Tanks Wash subwatershed, which holds 8 NPDES permits, this one included.