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Coconino County, Arizona: environmental and disease records

Cancer mortality in Coconino County is 123.1 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Stomach deaths at 1.7 times the U.S. rate and Kidney & renal pelvis deaths at 1.6 times the U.S. rate. Federal databases place 1,170 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (582), NPDES wastewater discharge permit (201), Gas station (mapped facility) (112). 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: 35.5966, -112.0424.

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 Coconino County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
StomachDeaths4.62.71.7xSignificant3.1 to 6.52020-2024
Kidney & renal pelvisDeaths5.33.41.56xSignificant3.7 to 7.42020-2024
Melanoma of the skinDeaths2.421.2x1.4 to 42020-2024
Liver & bile ductDeaths7.36.61.11x5.5 to 9.62020-2024
StomachNew cases6.86.61.03x4.9 to 9.12019-2023
BladderDeaths4.14.11x2.7 to 62020-2024
Brain & nervous systemDeaths4.34.40.98x2.9 to 6.22020-2024
Melanoma of the skinNew cases2323.80.97x19.5 to 26.82019-2023
Non-Hodgkin lymphomaDeaths4.34.80.9x2.9 to 6.22020-2024
Childhood cancer (under 15)New cases14.516.40.88x8.4 to 23.32019-2023
Kidney & renal pelvisNew cases15.817.90.88x13 to 19.12019-2023
All cancerDeaths123.1143.20.86x114.9 to 131.82020-2024
Liver & bile ductNew cases7.38.70.84x5.5 to 9.62019-2023
ThyroidNew cases10.4130.8x8 to 13.32019-2023
PancreasNew cases10.913.90.78x8.6 to 13.52019-2023
PancreasDeaths8.511.30.75x6.6 to 10.92020-2024
BladderNew cases13.818.70.74x11.2 to 16.92019-2023
EsophagusDeaths2.73.70.73x1.6 to 4.22020-2024
Brain & nervous systemNew cases4.56.20.73x3 to 6.52019-2023
All cancerNew cases323453.40.71x309.7 to 336.72019-2023
LeukemiaDeaths45.70.7x2.6 to 5.92020-2024
EsophagusNew cases2.94.60.63x1.8 to 4.52019-2023
Non-Hodgkin lymphomaNew cases10.518.50.57x8.2 to 13.32019-2023
LeukemiaNew cases7.514.50.52x5.6 to 9.92019-2023
Lung & bronchusDeaths1530.20.5x12.3 to 18.22020-2024
Lung & bronchusNew cases21.151.80.41x17.9 to 24.82019-2023

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 Coconino County
MeasureCountyU.S. medianDifferenceUnit
Premature death11,546.59,842.6+17%years of life lost before age 75 per 100,000
Life expectancy75.975.3+1%years
Child mortality46.859.8-22%deaths under age 18 per 100,000
Infant mortality5.66.2-9%deaths under age 1 per 1,000 live births
Injury deaths123.196.9+27%deaths per 100,000
Drug overdose deaths2828.6-2%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.

  • Formaldehyde11.61 per million
  • Carbon Tetrachloride2.39 per million
  • Acetaldehyde0.65 per million
  • Benzene0.36 per million

EPA Air Quality Index 2025

Monitored on 365 days: 256 good, 2 unhealthy for sensitive groups or worse. Median AQI 46, peak 113.

Regulated facilities, sites and hazards by type

1,170 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

  • Industrial wastewater discharge582
  • NPDES wastewater discharge permit201
  • Gas station (mapped facility)112
  • Rail grade crossing80
  • Brownfield property57
  • Auto repair or body shop (mapped facility)32
  • Small hazardous waste generator24
  • Wastewater plant (mapped facility)13
  • Air permit holder (minor source)12
  • Toxic chemical release facility (TRI)8
  • Major air pollution source7
  • Public airport7
  • TRI reporting facility6
  • EPA air quality monitor5
  • Large hazardous waste generator5
  • Heliport5
  • Commercial airport4
  • Large greenhouse gas emitter2
  • Scrapyard (mapped facility)2
  • Dry cleaner (mapped facility)1
  • Hazardous waste transporter1
  • Landfill (mapped facility)1
  • Hydroelectric plant1
  • Oil-fired power plant1
  • Wind power 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. Lhoist Na Of Arizona Inc - Nelson Plant, Peach Springs

    Toxic chemical release facility (TRI). Chemicals: Vanadium compounds, Lead And Lead Compounds, Nickel And Nickel Compounds, Lead compounds and 3 more. Reports carcinogens. 94,786 lbs released over 5 years.

    TRI facility ID 86434CHMCL25MIL (U.S. EPA Toxics Release Inventory)

    Severity 8.3

  2. U.S. Natl Park Service - Grand Canyon National Park, Grand Canyon

    Toxic chemical release facility (TRI). Chemicals: Chlorine, Lead. Reports carcinogens. 70,444 lbs released over 5 years.

    TRI facility ID 86023SNTNLALBRI (U.S. EPA Toxics Release Inventory)

    Severity 8.2

  3. Usdoi- Nps -Indian Gardens Pump Station, Grand Canyon

    TRI reporting facility.

    EPA FRS registry ID 110008061462 (U.S. EPA ECHO) Agency record

    Severity 8.2

  4. U.S. Army National Guard Camp Navajo Range, Bellemont

    Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 6,474 lbs released over 5 years.

    TRI facility ID 86015SRMYN1HUGH (U.S. EPA Toxics Release Inventory)

    Severity 7.4

  5. Nestle Purina Petcare Co, Flagstaff

    Toxic chemical release facility (TRI). Chemicals: Propylene, Manganese And Manganese Compounds, Copper compounds, Copper And Copper Compounds and 2 more. 91,429 lbs released over 5 years.

    TRI facility ID 86004RLSTN4700E (U.S. EPA Toxics Release Inventory)

    Severity 6.8

  6. U.S. Camp Navajo, Arizona Army National Guard, Bellemont

    TRI reporting facility.

    EPA FRS registry ID 110060990904 (U.S. EPA ECHO) Agency record

    Severity 6.6

  7. Schuff Steel Co-Flagstaff, Bellemont

    Toxic chemical release facility (TRI). Chemicals: Manganese, Chromium, Nickel, Lead. Reports carcinogens. 349 lbs released over 5 years.

    TRI facility ID 86015SCHFF555KE (U.S. EPA Toxics Release Inventory)

    Severity 6.5

  8. W. L. Gore & Associates Inc., Flagstaff

    Toxic chemical release facility (TRI). Chemicals: Methanol. 23,279 lbs released over 5 years.

    TRI facility ID 86001WLGRSWOODY (U.S. EPA Toxics Release Inventory)

    Severity 6.4

  9. Nestle Purina Petcare Company, Flagstaff

    TRI reporting facility.

    EPA FRS registry ID 110000472186 (U.S. EPA ECHO) Agency record

    Severity 6.3

  10. Tuba City Wwtp, Tuba City

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110024409344 (U.S. EPA ECHO) Agency record

    Severity 6

  11. W L Gore & Associates - Elk Hill, Flagstaff

    TRI reporting facility.

    EPA FRS registry ID 110002570940 (U.S. EPA ECHO) Agency record

    Severity 5.7

  12. Salt River Project Navajo Generating Station, Page

    Major air pollution source. Penalties $1,250.

    EPA FRS registry ID 110028287725 (U.S. EPA ECHO) Agency record

    Severity 5.3

  13. Flagstaff Plant #21, Flagstaff

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

    TRI facility ID 8600WFLGST633EB (U.S. EPA Toxics Release Inventory)

    Severity 5.1

  14. Flagstaff Pulliam, Flagstaff

    Commercial airport. O.

    Record ID FLG (FAA / U.S. DOT)

    Severity 5

  15. Grand Canyon Ntl Park, Grand Canyon

    Commercial airport. O.

    Record ID GCN (FAA / U.S. DOT)

    Severity 5

  16. Page Muni, Page

    Commercial airport. O.

    Record ID PGA (FAA / U.S. DOT)

    Severity 5

  17. California Portland Cement Co, Flagstaff

    TRI reporting facility.

    EPA FRS registry ID 110009524372 (U.S. EPA ECHO) Agency record

    Severity 4.8

  18. Salt River Project Navajo Generating Station, Page

    NPDES wastewater discharge permit. Penalties $1,250.

    EPA FRS registry ID 110028287725 (U.S. EPA ECHO) Agency record

    Severity 4.8

  19. Schuff Steel, Bellemont

    TRI reporting facility.

    EPA FRS registry ID 110039483172 (U.S. EPA ECHO) Agency record

    Severity 4.5

  20. Cemex - Flagstaff #1971, Flagstaff

    Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead. Reports carcinogens.

    TRI facility ID 8600WCMXFL52EAS (U.S. EPA Toxics Release Inventory)

    Severity 4.5

  21. Cameron Trading Post Wwtp, Cameron

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110010062546 (U.S. EPA ECHO) Agency record

    Severity 4.3

  22. Grand Canyon North Rim Wwtp, Grand Canyon

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110015970029 (U.S. EPA ECHO) Agency record

    Severity 4.3

  23. Upper Village Of Moenkopi Wwtf, Tuba City

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110024463962 (U.S. EPA ECHO) Agency record

    Severity 4.3

  24. Salt River Project Navajo Generating Station, Page

    Large greenhouse gas emitter. Penalties $1,250.

    EPA FRS registry ID 110028287725 (U.S. EPA ECHO) Agency record

    Severity 4.3

  25. Twin Arrows Casino, Flagstaff

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110059716776 (U.S. EPA ECHO) Agency record

    Severity 4.3

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 Coconino 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 Coconino 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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