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San Juan County, New Mexico: environmental and disease records

Cancer mortality in San Juan County is 124.5 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 1,332 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (518), NPDES wastewater discharge permit (365), Industrial wastewater discharge (178). 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: 36.5137, -108.3356.

How this county ranks in New Mexico

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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 San Juan County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
StomachDeaths3.72.71.37x2.4 to 5.42020-2024
StomachNew cases8.36.61.26x6.3 to 10.72019-2023
Melanoma of the skinDeaths2.421.2x1.4 to 42020-2024
Childhood cancer (under 15)New cases17.116.41.04x10.6 to 26.32019-2023
Kidney & renal pelvisNew cases18.117.91.01x14.9 to 21.72019-2023
EsophagusDeaths3.73.71x2.4 to 5.42020-2024
Liver & bile ductNew cases8.18.70.93x6.1 to 10.52019-2023
All cancerDeaths124.5143.20.87x116.4 to 1332020-2024
Liver & bile ductDeaths5.36.60.8x3.8 to 7.22020-2024
Kidney & renal pelvisDeaths2.73.40.79x1.6 to 4.32020-2024
All cancerNew cases330.7453.40.73x317.2 to 344.72019-2023
BladderDeaths2.94.10.71x1.8 to 4.52020-2024
EsophagusNew cases3.24.60.7x2 to 4.82019-2023
ThyroidNew cases9130.69x6.7 to 11.82019-2023
PancreasDeaths7.811.30.69x5.9 to 10.22020-2024
BladderNew cases12.918.70.69x10.4 to 15.82019-2023
Non-Hodgkin lymphomaNew cases12.718.50.69x10.2 to 15.72019-2023
LeukemiaDeaths3.95.70.68x2.6 to 5.72020-2024
LeukemiaNew cases9.514.50.66x7.3 to 12.12019-2023
Lung & bronchusDeaths19.530.20.65x16.5 to 232020-2024
Non-Hodgkin lymphomaDeaths2.84.80.58x1.7 to 4.42020-2024
Lung & bronchusNew cases29.651.80.57x25.8 to 33.92019-2023
Brain & nervous systemNew cases3.46.20.55x2.1 to 5.22019-2023
PancreasNew cases7.313.90.53x5.4 to 9.52019-2023
Melanoma of the skinNew cases1223.80.5x9.5 to 152019-2023
Brain & nervous systemDeaths2.24.40.5x1.3 to 3.72020-2024

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 San Juan County
MeasureCountyU.S. medianDifferenceUnit
Premature death18,277.39,842.6+86%years of life lost before age 75 per 100,000
Life expectancy69.875.3-7%years
Child mortality60.359.8+1%deaths under age 18 per 100,000
Infant mortality5.26.2-16%deaths under age 1 per 1,000 live births
Injury deaths153.796.9+58%deaths per 100,000
Drug overdose deaths34.328.6+20%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.

  • Formaldehyde14.24 per million
  • Carbon Tetrachloride2.48 per million
  • Acetaldehyde1.1 per million
  • Benzene1.08 per million

EPA Air Quality Index 2025

Monitored on 365 days: 248 good, 0 unhealthy for sensitive groups or worse. Median AQI 47, peak 97.

Regulated facilities, sites and hazards by type

1,332 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

  • Air permit holder (minor source)518
  • NPDES wastewater discharge permit365
  • Industrial wastewater discharge178
  • Gas station (mapped facility)75
  • Major air pollution source40
  • Wastewater plant (mapped facility)34
  • Small hazardous waste generator29
  • Auto repair or body shop (mapped facility)19
  • Toxic chemical release facility (TRI)11
  • Hazardous waste transporter9
  • Scrapyard (mapped facility)9
  • TRI reporting facility9
  • Large greenhouse gas emitter7
  • Brownfield property6
  • EPA air quality monitor5
  • Large hazardous waste generator4
  • Public airport3
  • Heliport3
  • Landfill (mapped facility)2
  • Coal power plant2
  • Commercial airport1
  • Hydroelectric plant1
  • Gas 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. Lee Acres Landfill (USDOI), Farmington

    Superfund (NPL) site. Hazard Ranking System score 39.4. NPL Site.

    EPA site ID NMD980750020 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Aps Four Corners Power Plant, Fruitland

    TRI reporting facility.

    EPA FRS registry ID 110042068473 (U.S. EPA ECHO) Agency record

    Severity 9.8

  3. Four Corners Steam Electric Station, Fruitland

    Toxic chemical release facility (TRI). Chemicals: Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Vanadium compounds, Manganese And Manganese Compounds and 4 more. Reports carcinogens. 8,682,464 lbs released over 5 years.

    TRI facility ID 87416FRCRNCOUNT (U.S. EPA Toxics Release Inventory)

    Severity 9.8

  4. Westmoreland San Juan Mining Llc - San Juan Mine, Waterflow

    Toxic chemical release facility (TRI). Chemicals: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese compounds, Vanadium compounds, Diisocyanates and 4 more. Reports carcinogens. 2,544,074 lbs released over 5 years.

    TRI facility ID 87421SNJNMCOUNT (U.S. EPA Toxics Release Inventory)

    Severity 9.4

  5. San Juan Generating Station, Waterflow

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) and 4 more. Reports carcinogens. 1,096,961 lbs released over 5 years.

    TRI facility ID 87421SNJNGCOUNT (U.S. EPA Toxics Release Inventory)

    Severity 9.1

  6. Chaco Gas Plant, Bloomfield

    Toxic chemical release facility (TRI). Chemicals: Formaldehyde, n-Hexane, Cyclohexane, Benzene and 4 more. Reports carcinogens. 233,086 lbs released over 5 years.

    TRI facility ID 8741WCHCGSSE4S1 (U.S. EPA Toxics Release Inventory)

    Severity 8.6

  7. Western Refining - Bloomfield, Bloomfield

    Toxic chemical release facility (TRI). Chemicals: Toluene, n-Hexane, Xylene (mixed isomers), Benzene and 4 more. Reports carcinogens. 143,876 lbs released over 5 years.

    TRI facility ID 87413BLMFLNO50C (U.S. EPA Toxics Release Inventory)

    Severity 8.5

  8. Four Corners, Fruitland

    Coal power plant.

    Record ID 2442 (U.S. Energy Information Administration)

    Severity 7.5

  9. San Juan Gas Plant, Bloomfield

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Benzene, Diethanolamine, Methanol. Reports carcinogens. 8,619 lbs released over 5 years.

    TRI facility ID 8741WSNJNG11ARI (U.S. EPA Toxics Release Inventory)

    Severity 7.5

  10. Bloomfield Terminal, Bloomfield

    TRI reporting facility. Penalties $14,280.

    EPA FRS registry ID 110000600840 (U.S. EPA ECHO) Agency record

    Severity 7.1

  11. San Juan, Waterflow

    Coal power plant.

    Record ID 2451 (U.S. Energy Information Administration)

    Severity 6.8

  12. San Juan Basin Gas Plant, Bloomfield

    Major air pollution source. Penalties $430,400.

    EPA FRS registry ID 110007030275 (U.S. EPA ECHO) Agency record

    Severity 6.5

  13. White Rock Compressor Station, Farmington

    Major air pollution source.

    EPA FRS registry ID 110007978377 (U.S. EPA ECHO) Agency record

    Severity 6.5

  14. Aps Four Corners Power Plant, Fruitland

    Major air pollution source.

    EPA FRS registry ID 110042068473 (U.S. EPA ECHO) Agency record

    Severity 6.5

  15. Chaco Gas Plant, Bloomfield

    TRI reporting facility.

    EPA FRS registry ID 110043802490 (U.S. EPA ECHO) Agency record

    Severity 6.2

  16. San Juan Coal Co San Juan Mine, Fruitland

    TRI reporting facility.

    EPA FRS registry ID 110000744035 (U.S. EPA ECHO) Agency record

    Severity 6.1

  17. Aps Four Corners Power Plant, Fruitland

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110042068473 (U.S. EPA ECHO) Agency record

    Severity 6

  18. San Juan Generating Station, Waterflow

    TRI reporting facility.

    EPA FRS registry ID 110000600868 (U.S. EPA ECHO) Agency record

    Severity 5.8

  19. Coastal Chemical Co., Llc, Farmington

    Toxic chemical release facility (TRI). Chemicals: Methanol, Ethylene glycol. 3,540 lbs released over 5 years.

    TRI facility ID 87401CSTLC10COU (U.S. EPA Toxics Release Inventory)

    Severity 5.7

  20. Senergy Petroleum Llc - Bloomfield Bulk Plant, Bloomfield

    Toxic chemical release facility (TRI). Chemicals: Toluene, Xylene (mixed isomers), Ethylene glycol, Benzene and 4 more. Reports carcinogens. 31 lbs released over 5 years.

    TRI facility ID 8741WSNRGY96RAD (U.S. EPA Toxics Release Inventory)

    Severity 5.7

  21. San Juan Gas Plant, Bloomfield

    TRI reporting facility.

    EPA FRS registry ID 110071434269 (U.S. EPA ECHO) Agency record

    Severity 5.6

  22. San Juan Basin Gas Plant, Bloomfield

    Large greenhouse gas emitter. Penalties $430,400.

    EPA FRS registry ID 110007030275 (U.S. EPA ECHO) Agency record

    Severity 5.5

  23. Aps Four Corners Power Plant, Fruitland

    Large greenhouse gas emitter.

    EPA FRS registry ID 110042068473 (U.S. EPA ECHO) Agency record

    Severity 5.5

  24. San Juan Generating Station, Waterflow

    Major air pollution source.

    EPA FRS registry ID 110000600868 (U.S. EPA ECHO) Agency record

    Severity 5.3

  25. Championx - Aztec, Aztec

    Toxic chemical release facility (TRI). Chemicals: Methanol, Toluene, Ethylene glycol. 782 lbs released over 5 years.

    TRI facility ID 87410CHMPN4CUNT (U.S. EPA Toxics Release Inventory)

    Severity 5.2

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 San Juan County

  • New Mexico 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 San Juan County, and their findings.

  • New Mexico vital statistics office

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

  • New Mexico health department, environmental epidemiology

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

  • New Mexico 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.

  • New Mexico 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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