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Environmental compliance · county

Environmental compliance in Pinal County

459 active EPA-regulated sites in Pinal County, Arizona: 40 with an identified violation, 3 in significant violation, 135 inspections and $5.3 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/az/pinal-county/environmental-compliance

How many facilities in Pinal County, Arizona are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

MeasureValue
Active EPA-regulated sites459
Sites with an identified violation40
Sites in significant violation3
Inspections and evaluations, last 5 years135
Formal enforcement actions, last 5 years16
Penalties, last 5 years (shared federal cases once)$5.3 million

How many active facilities in Pinal County, Arizona fall under each EPA program?

A facility can be in several programs.

ProgramActive sites
Air (Clean Air Act)39
Water discharge permits (Clean Water Act, NPDES)197
Hazardous waste (RCRA)174
Drinking water systems (SDWA)82
Toxics Release Inventory reporters34
Greenhouse gas reporters (GHGRP)8

Which large facilities in Pinal County, Arizona does the EPA track, and are they in violation?

FacilityCompliance statusQuarters in violation (of 12)Penalties, 5 years
GLOBAL WATER - SANTA CRUZ WATER COMPANY, LLC
Maricopa, AZ
Significant Violation6–
TOWN OF SUPERIOR WASTEWATER TREATMENT PLANT (WWTP)
Superior, AZ
Violation Identified10–
ASARCO LLC RAY MINE OPERATIONS
Kearny, AZ
Violation Identified7–
TOWN OF FLORENCE WWTP
Florence, AZ
No Violation Identified7–
HERITAGE ENVIRONMENTAL SERVICES LLC
Coolidge, AZ
No Violation Identified3–
CITY OF CASA GRANDE - LANDFILL
Casa Grande, AZ
Violation Identified2–
RESOLUTION COPPER MINING - SUPERIOR OPERATIONS
Superior, AZ
Violation Identified2–
FRITO-LAY PLANT
Casa Grande, AZ
No Violation Identified1–
APACHE JUNCTION WWTP
Apache Junction, AZ
No Violation Identified0–
ARIZONA CITY SANITARY DISTRICT - WWTP
Arizona City, AZ
No Violation Identified0–
ARIZONA ENVIRONMENTAL CONTAINER CORP
Eloy, AZ
No Violation Identified0–
ARIZONA PUBLIC SERVICE CO SAGUARO POWER PLANT
Red Rock, AZ
No Violation Identified0–
CASA GRANDE STATION EL PASO NAT GAS
Maricopa, AZ
No Violation Identified0–
COOLIDGE GENERATING STATION
Coolidge, AZ
No Violation Identified0–
DESERT BASIN GENERATING STATION
Casa Grande, AZ
No Violation Identified0–
EL PASO NATURAL GAS CO - ORACLE COMPRESSOR STATION
Oracle, AZ
No Violation Identified0–
HEXCEL CORP
Casa Grande, AZ
No Violation Identified0–
MESA FULLY FORMED - COOLIDGE
Coolidge, AZ
No Violation Identified0–
PAGE-TROWBRIDGE RANCH LANDFILL
Oracle, AZ
No Violation Identified0–
PECAN WATER RECLAMATION PLANT
Queen Creek, AZ
No Violation Identified0–
PROWALL BUILDING PRODUCTS INC
Casa Grande, AZ
No Violation Identified0–
REPUBLIC PLASTICS LP
San Manuel, AZ
No Violation Identified0–
REPUBLIC PLASTICS LP
Eloy, AZ
No Violation Identified0–
REPUBLIC SERVICES - APACHE JUNCTION LANDFILL
Apache Junction, AZ
No Violation Identified0–
REPUBLIC SERVICES - CACTUS REGIONAL LANDFILL
Florence, AZ
No Violation Identified0–
SIERRA ESTRELLA SANITARY LANDFILL
Maricopa, AZ
No Violation Identified0–
WASTE CONNECTIONS OF ARIZONA - DURHAM REGIONAL LANDFILL
Florence, AZ
No Violation Identified0–

All figures for Pinal County · Arizona · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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