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Cochise County, Arizona: environmental and disease records

Cancer mortality in Cochise County is 146.4 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 569 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (260), Gas station (mapped facility) (68), NPDES wastewater discharge permit (56). 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: 31.888, -109.7497.

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 Cochise County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Liver & bile ductNew cases10.98.71.25xSignificant8.9 to 13.42019-2023
Melanoma of the skinNew cases29.823.81.25xSignificant26.1 to 33.82019-2023
Melanoma of the skinDeaths2.421.2x1.6 to 3.62020-2024
Childhood cancer (under 15)New cases18.816.41.15x11.5 to 29.12019-2023
Non-Hodgkin lymphomaDeaths5.24.81.08x3.8 to 6.92020-2024
EsophagusNew cases4.94.61.07x3.6 to 6.62019-2023
Liver & bile ductDeaths76.61.06x5.5 to 8.92020-2024
EsophagusDeaths3.83.71.03x2.6 to 5.32020-2024
All cancerDeaths146.4143.21.02x138.9 to 154.32020-2024
Lung & bronchusDeaths29.830.20.99x26.7 to 33.42020-2024
Kidney & renal pelvisNew cases17.617.90.98x14.8 to 20.92019-2023
BladderNew cases18.318.70.98x15.8 to 21.22019-2023
BladderDeaths44.10.98x2.9 to 5.52020-2024
Brain & nervous systemNew cases66.20.97x4.3 to 8.22019-2023
LeukemiaDeaths5.55.70.96x4.1 to 7.22020-2024
PancreasNew cases12.713.90.91x10.5 to 15.12019-2023
ThyroidNew cases11.8130.91x9.2 to 14.82019-2023
StomachNew cases5.96.60.89x4.3 to 7.92019-2023
Lung & bronchusNew cases45.851.80.88x41.8 to 50.22019-2023
All cancerNew cases400.4453.40.88x386.9 to 414.22019-2023
Kidney & renal pelvisDeaths2.83.40.82x1.9 to 4.22020-2024
Brain & nervous systemDeaths3.54.40.8x2.5 to 52020-2024
PancreasDeaths8.611.30.76x6.9 to 10.62020-2024
LeukemiaNew cases10.514.50.72x8.5 to 13.12019-2023
StomachDeaths1.92.70.7x1 to 3.22020-2024
Non-Hodgkin lymphomaNew cases12.718.50.69x10.5 to 15.42019-2023

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 Cochise County
MeasureCountyU.S. medianDifferenceUnit
Premature death9,423.89,842.6-4%years of life lost before age 75 per 100,000
Life expectancy76.175.3+1%years
Child mortality59.559.8-1%deaths under age 18 per 100,000
Infant mortality5.66.2-10%deaths under age 1 per 1,000 live births
Injury deaths99.196.9+2%deaths per 100,000
Drug overdose deaths34.528.6+21%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.

  • Formaldehyde11.48 per million
  • Carbon Tetrachloride2.52 per million
  • Acetaldehyde0.53 per million
  • Benzene0.42 per million

EPA Air Quality Index 2025

Monitored on 365 days: 255 good, 4 unhealthy for sensitive groups or worse. Median AQI 45, peak 328.

Regulated facilities, sites and hazards by type

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

  • Industrial wastewater discharge260
  • Gas station (mapped facility)68
  • NPDES wastewater discharge permit56
  • Brownfield property35
  • Rail grade crossing30
  • Public airport22
  • Auto repair or body shop (mapped facility)22
  • Wastewater plant (mapped facility)10
  • Major air pollution source8
  • Small hazardous waste generator8
  • Air permit holder (minor source)5
  • Large greenhouse gas emitter5
  • Solar power plant5
  • Scrapyard (mapped facility)5
  • Heliport4
  • TRI reporting facility4
  • Toxic chemical release facility (TRI)4
  • EPA air quality monitor3
  • Commercial airport3
  • Dry cleaner (mapped facility)3
  • Large hazardous waste generator3
  • Landfill (mapped facility)3
  • Gas power plant1
  • Oil-fired power plant1
  • Superfund (NPL) site1

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. Apache Powder Co., St. David

    Superfund (NPL) site. Hazard Ranking System score 39.1. NPL Site.

    EPA site ID AZD008399263 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Arizona Electric Power Cooperative Inc, Cochise

    Toxic chemical release facility (TRI). Chemicals: Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese And Manganese Compounds, Vanadium compounds and 4 more. Reports carcinogens. 499,400 lbs released over 5 years.

    TRI facility ID 85606RZNLCHWY19 (U.S. EPA Toxics Release Inventory)

    Severity 8.9

  3. Apache Nitrogen Products - Plant, St. David

    TRI reporting facility.

    EPA FRS registry ID 110017427033 (U.S. EPA ECHO) Agency record

    Severity 8.9

  4. U.S.Dod Us Army Fort Huachuca - Ranges, Fort Huachuca

    Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 14,460 lbs released over 5 years.

    TRI facility ID 85613SRMYGATTNA (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  5. Apache Nitrogen Products Inc, Saint David

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid. 39,419 lbs released over 5 years.

    TRI facility ID 85602PCHPWAPACH (U.S. EPA Toxics Release Inventory)

    Severity 6.5

  6. Apache Nitrogen Products - Plant, St. David

    Major air pollution source.

    EPA FRS registry ID 110017427033 (U.S. EPA ECHO) Agency record

    Severity 6.5

  7. Apache Station, Cochise

    TRI reporting facility.

    EPA FRS registry ID 110043804390 (U.S. EPA ECHO) Agency record

    Severity 6.1

  8. Apache Nitrogen Products - Plant, St. David

    Large hazardous waste generator.

    EPA FRS registry ID 110017427033 (U.S. EPA ECHO) Agency record

    Severity 6

  9. Apache Nitrogen Products - Plant, St. David

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110017427033 (U.S. EPA ECHO) Agency record

    Severity 6

  10. Usdod Fort Huachuca, Fort Huachuca

    TRI reporting facility.

    EPA FRS registry ID 110000607228 (U.S. EPA ECHO) Agency record

    Severity 5.9

  11. Apache Nitrogen Products - Plant, St. David

    Large greenhouse gas emitter.

    EPA FRS registry ID 110017427033 (U.S. EPA ECHO) Agency record

    Severity 5.5

  12. U.S. Cbp Brian A. Terry (Naco) Border Patrol Stn #Az0040, Bisbee

    Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens.

    TRI facility ID 8560WSCSTM2136N (U.S. EPA Toxics Release Inventory)

    Severity 4.5

  13. Douglas, Douglas

    Oil-fired power plant.

    Record ID 114 (U.S. Energy Information Administration)

    Severity 4

  14. Cochise County - Western Regional Wtcs, Huachuca City

    Major air pollution source.

    EPA FRS registry ID 110039450876 (U.S. EPA ECHO) Agency record

    Severity 4

  15. U.S. Cbp Brian A. Terry (Naco) Border Patrol Stn #Az0040, Bisbee

    TRI reporting facility.

    EPA FRS registry ID 110042184445 (U.S. EPA ECHO) Agency record

    Severity 4

  16. Benson, City Of - Wwtf, Benson

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000730406 (U.S. EPA ECHO) Agency record

    Severity 3.8

  17. Apache Station, Cochise

    Gas power plant.

    Record ID 160 (U.S. Energy Information Administration)

    Severity 3.5

  18. Usdod Fort Huachuca, Fort Huachuca

    Large hazardous waste generator.

    EPA FRS registry ID 110000607228 (U.S. EPA ECHO) Agency record

    Severity 3.5

  19. Fairview Generating Station, Douglas

    Major air pollution source.

    EPA FRS registry ID 110006817631 (U.S. EPA ECHO) Agency record

    Severity 3.5

  20. Chemical Lime Co Douglas Plant, Douglas

    Major air pollution source.

    EPA FRS registry ID 110008061480 (U.S. EPA ECHO) Agency record

    Severity 3.5

  21. El Paso Natural Gas Co - San Simon Comp Station, San Simon

    Major air pollution source.

    EPA FRS registry ID 110010378894 (U.S. EPA ECHO) Agency record

    Severity 3.5

  22. El Paso Natural Gas Co - Bowie Compressor Station, Bowie

    Major air pollution source.

    EPA FRS registry ID 110010378910 (U.S. EPA ECHO) Agency record

    Severity 3.5

  23. Cochise County - Western Regional Wtcs, Huachuca City

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110039450876 (U.S. EPA ECHO) Agency record

    Severity 3.5

  24. San Jose Wwtf, Bisbee

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110039713067 (U.S. EPA ECHO) Agency record

    Severity 3.5

  25. El Paso Natural Gas Co - Willcox Compressor Station 1, Willcox

    Major air pollution source.

    EPA FRS registry ID 110041058761 (U.S. EPA ECHO) Agency record

    Severity 3.5

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 Cochise 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 Cochise 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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