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Gila County, Arizona: environmental and disease records

Cancer mortality in Gila County is 139 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 672 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (360), NPDES wastewater discharge permit (109), Rail grade crossing (50). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 20 in a million, driven mainly by formaldehyde.

Rates are age-adjusted per 100,000 people. A cancer signal is marked significant when the lower bound of its 95 percent confidence interval is above the U.S. rate. Facility counts use active federal records located inside the county boundary. Approximate county center: 33.7416, -110.6814.

How this county ranks in Arizona

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Cancer deaths and new cases versus the United States

Source: NCI and CDC State Cancer Profiles, both sexes, all ages. Sorted by the ratio of the county rate to the U.S. rate.

Cancer rates for Gila County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
StomachDeaths4.32.71.59x2.2 to 7.62020-2024
Kidney & renal pelvisDeaths4.53.41.32x2.9 to 7.12020-2024
Kidney & renal pelvisNew cases19.717.91.1x15 to 25.42019-2023
EsophagusNew cases54.61.09x3.1 to 82019-2023
PancreasDeaths1211.31.06x9.1 to 15.82020-2024
Melanoma of the skinNew cases24.423.81.03x19.8 to 29.92019-2023
Liver & bile ductDeaths6.66.61x4.7 to 9.32020-2024
ThyroidNew cases12.8130.98x8.4 to 18.52019-2023
All cancerDeaths139143.20.97x128.3 to 150.52020-2024
BladderDeaths3.84.10.93x2.4 to 6.32020-2024
BladderNew cases1718.70.91x13.6 to 21.22019-2023
Brain & nervous systemNew cases5.66.20.9x3 to 9.42019-2023
PancreasNew cases12.313.90.88x9.2 to 16.42019-2023
Non-Hodgkin lymphomaDeaths4.14.80.85x2.4 to 72020-2024
Liver & bile ductNew cases7.48.70.85x4.9 to 112019-2023
Lung & bronchusDeaths24.730.20.82x20.7 to 29.52020-2024
Brain & nervous systemDeaths3.54.40.8x1.9 to 6.12020-2024
EsophagusDeaths2.93.70.78x1.6 to 5.32020-2024
Non-Hodgkin lymphomaNew cases14.418.50.78x10.8 to 192019-2023
All cancerNew cases333.5453.40.74x314.8 to 353.12019-2023
LeukemiaNew cases10.614.50.73x7.3 to 152019-2023
LeukemiaDeaths4.15.70.72x2.6 to 6.62020-2024
StomachNew cases4.76.60.71x3.1 to 7.22019-2023
Lung & bronchusNew cases34.751.80.67x29.8 to 40.42019-2023

Mortality measures versus the U.S. county median

Source: County Health Rankings, built from CDC National Vital Statistics System death records. The comparison value is the median of all U.S. counties.

Mortality measures for Gila County
MeasureCountyU.S. medianDifferenceUnit
Premature death19,407.39,842.6+97%years of life lost before age 75 per 100,000
Life expectancy69.675.3-8%years
Child mortality8159.8+36%deaths under age 18 per 100,000
Infant mortality9.26.2+48%deaths under age 1 per 1,000 live births
Injury deaths176.896.9+82%deaths per 100,000
Drug overdose deaths40.228.6+40%deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 20 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

  • Formaldehyde13.67 per million
  • Carbon Tetrachloride2.54 per million
  • Arsenic Compounds Inorganic Including Arsine1.81 per million
  • Acetaldehyde0.94 per million

EPA Air Quality Index 2025

Monitored on 365 days: 229 good, 15 unhealthy for sensitive groups or worse. Median AQI 47, peak 196.

Regulated facilities, sites and hazards by type

672 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

  • Industrial wastewater discharge360
  • NPDES wastewater discharge permit109
  • Rail grade crossing50
  • Brownfield property39
  • Gas station (mapped facility)31
  • Wastewater plant (mapped facility)27
  • EPA air quality monitor10
  • Air permit holder (minor source)7
  • Auto repair or body shop (mapped facility)6
  • Small hazardous waste generator5
  • TRI reporting facility5
  • Toxic chemical release facility (TRI)5
  • Public airport4
  • Heliport3
  • Major air pollution source2
  • Large greenhouse gas emitter2
  • Large hazardous waste generator2
  • Landfill (mapped facility)2
  • Commercial airport1
  • Hazardous waste transporter1
  • Battery storage plant1

Highest-severity records

The 25 records with the highest Envyrofax severity in the county, with the agency identifier to cite in a records request.

  1. Asarco Llc Hayden Operations, Hayden

    TRI reporting facility.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 10

  2. Asarco Llc Ray Complex/ Hayden Smelter & Concentrator, Hayden

    Toxic chemical release facility (TRI). Chemicals: Zinc compounds, Copper compounds, Lead compounds, Manganese compounds and 4 more. Reports carcinogens. 107,178,937 lbs released over 5 years.

    TRI facility ID 85235SRCNC64ASA (U.S. EPA Toxics Release Inventory)

    Severity 10

  3. Freeport-Mcmoran Miami Inc, Claypool

    Toxic chemical release facility (TRI). Chemicals: Copper And Copper Compounds, Zinc compounds, Manganese And Manganese Compounds, Lead And Lead Compounds and 4 more. Reports carcinogens. 130,947,012 lbs released over 5 years.

    TRI facility ID 85532NSPRTPOBOX (U.S. EPA Toxics Release Inventory)

    Severity 10

  4. Pinto Valley Mine, Miami

    Toxic chemical release facility (TRI). Chemicals: Copper And Copper Compounds, Copper compounds, Lead And Lead Compounds, Lead compounds and 4 more. Reports carcinogens. 46,330,653 lbs released over 5 years.

    TRI facility ID 85539BHPCPHWY60 (U.S. EPA Toxics Release Inventory)

    Severity 10

  5. Pinto Valley Mine, Miami

    TRI reporting facility.

    EPA FRS registry ID 110008257787 (U.S. EPA ECHO) Agency record

    Severity 8.8

  6. Freeport-Mcmoran Miami Inc, Claypool

    TRI reporting facility.

    EPA FRS registry ID 110008254423 (U.S. EPA ECHO) Agency record

    Severity 8.3

  7. Carlota Copper Co, Miami

    Toxic chemical release facility (TRI). Chemicals: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Copper, Lead compounds, Lead And Lead Compounds and 2 more. Reports carcinogens. 57,559 lbs released over 5 years.

    TRI facility ID 8553WCRLTC2624F (U.S. EPA Toxics Release Inventory)

    Severity 8.2

  8. Asarco Llc Hayden Operations, Hayden

    Major air pollution source.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 6.5

  9. Asarco Llc Hayden Operations, Hayden

    Large hazardous waste generator.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 6

  10. Asarco Llc Hayden Operations, Hayden

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 6

  11. Carlota Copper Company, Miami

    TRI reporting facility.

    EPA FRS registry ID 110039495588 (U.S. EPA ECHO) Agency record

    Severity 5.9

  12. Asarco Llc Hayden Operations, Hayden

    Large greenhouse gas emitter.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 5.5

  13. Cal-Chem Metals Inc, Globe

    Toxic chemical release facility (TRI). Chemicals: Copper And Copper Compounds. 1,275 lbs released over 5 years.

    TRI facility ID 85501CLCHM2451H (U.S. EPA Toxics Release Inventory)

    Severity 5.4

  14. Globe Plant, Globe

    TRI reporting facility.

    EPA FRS registry ID 110022411424 (U.S. EPA ECHO) Agency record

    Severity 5.1

  15. Freeport-Mcmoran Miami Inc, Claypool

    Major air pollution source.

    EPA FRS registry ID 110008254423 (U.S. EPA ECHO) Agency record

    Severity 4.8

  16. Pinto Valley Mine, Miami

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110008257787 (U.S. EPA ECHO) Agency record

    Severity 4.8

  17. Asarco Llc Hayden Operations, Hayden

    Small hazardous waste generator.

    EPA FRS registry ID 110069332261 (U.S. EPA ECHO) Agency record

    Severity 4.5

  18. Winkelman Wwtp, Winkelman

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110006785354 (U.S. EPA ECHO) Agency record

    Severity 4.3

  19. Freeport-Mcmoran Miami Inc, Claypool

    Large hazardous waste generator.

    EPA FRS registry ID 110008254423 (U.S. EPA ECHO) Agency record

    Severity 4.3

  20. Freeport-Mcmoran Miami Inc, Claypool

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110008254423 (U.S. EPA ECHO) Agency record

    Severity 4.3

  21. Houston Creek Landing - Wwtp, Star Valley

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110022853465 (U.S. EPA ECHO) Agency record

    Severity 4.3

  22. Bureau Of Indian Affairs-San Carlos Agency, San Carlos

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110058232504 (U.S. EPA ECHO) Agency record

    Severity 4.3

  23. Pinal Creek Wwtp, Globe

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000730326 (U.S. EPA ECHO) Agency record

    Severity 4

  24. Freeport-Mcmoran Miami Inc, Claypool

    Large greenhouse gas emitter.

    EPA FRS registry ID 110008254423 (U.S. EPA ECHO) Agency record

    Severity 3.8

  25. Mountain View Mobile Home Estates, Globe

    Brownfield property.

    EPA FRS registry ID 110042111997 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

Correctional facilities

Prisons, jails and corrections operations with an EPA facility record, and the drinking water and wastewater compliance attached to them.

No correctional facility with an EPA record is located in this county.

Discovery / public records

Records to request for Gila County

  • Arizona state cancer registry

    Cancer incidence counts by census tract or ZIP code, by cancer type and year (de-identified). Any cancer cluster inquiries or investigations in Gila County, and their findings.

  • Arizona vital statistics office

    Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.

  • Arizona health department, environmental epidemiology

    Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.

  • Arizona environmental agency and the U.S. EPA regional office

    Compliance history, inspection reports, notices of violation, penalties and enforcement actions for each facility above, cited by EPA FRS registry ID.

  • Arizona drinking water program

    Violation notices, sampling results and sanitary surveys for the public water systems serving the county, including any system serving a correctional facility.

  • Department of corrections or county sheriff

    Water testing, grievances and environmental health inspections for the correctional facilities listed above.

Each Envyrofax address report includes a printable records request worksheet with the custodian and the exact request wording per finding.

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