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Amador County, California: environmental and disease records

Cancer mortality in Amador County is 144.3 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Bladder deaths at 1.6 times the U.S. rate. Federal databases place 257 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (97), Small hazardous waste generator (48), Industrial wastewater discharge (20). 5 correctional facilities operate in the county. EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 40 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: 38.4637, -120.7333.

How this county ranks in California

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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 Amador County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Liver & bile ductNew cases14.78.71.69xSignificant10.7 to 19.92019-2023
BladderDeaths6.74.11.63xSignificant4.4 to 10.32020-2024
EsophagusDeaths4.93.71.32x2.9 to 8.12020-2024
BladderNew cases22.718.71.21x18 to 28.52019-2023
Melanoma of the skinNew cases28.723.81.21x23.1 to 35.62019-2023
LeukemiaNew cases16.314.51.12x11.8 to 22.12019-2023
PancreasDeaths1211.31.06x8.8 to 16.52020-2024
EsophagusNew cases4.74.61.02x2.8 to 7.92019-2023
Non-Hodgkin lymphomaDeaths4.94.81.02x3 to 8.22020-2024
All cancerDeaths144.3143.21.01x132.2 to 157.52020-2024
Brain & nervous systemDeaths4.44.41x2.5 to 7.82020-2024
Kidney & renal pelvisNew cases17.917.91x13.5 to 23.52019-2023
Liver & bile ductDeaths6.56.60.98x4.3 to 10.12020-2024
Lung & bronchusDeaths29.330.20.97x24.2 to 35.42020-2024
PancreasNew cases1313.90.94x9.5 to 17.82019-2023
All cancerNew cases416.7453.40.92x394.2 to 440.32019-2023
Lung & bronchusNew cases44.951.80.87x38.4 to 52.52019-2023
LeukemiaDeaths4.95.70.86x3 to 82020-2024
Non-Hodgkin lymphomaNew cases15.318.50.83x11.2 to 20.82019-2023
ThyroidNew cases8.7130.67x5.3 to 13.62019-2023
StomachNew cases4.26.60.64x2.3 to 7.42019-2023

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 Amador County
MeasureCountyU.S. medianDifferenceUnit
Premature death7,567.19,842.6-23%years of life lost before age 75 per 100,000
Life expectancy78.575.3+4%years
Child mortality36.959.8-38%deaths under age 18 per 100,000
Infant mortalityn/a6.2n/adeaths under age 1 per 1,000 live births
Injury deaths107.596.9+11%deaths per 100,000
Drug overdose deaths20.428.6-29%deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 40 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

  • Formaldehyde29.56 per million
  • Acetaldehyde3.03 per million
  • Carbon Tetrachloride2.82 per million
  • Pahpom1.24 per million

EPA Air Quality Index 2025

Monitored on 364 days: 318 good, 0 unhealthy for sensitive groups or worse. Median AQI 38, peak 97.

Regulated facilities, sites and hazards by type

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

  • NPDES wastewater discharge permit97
  • Small hazardous waste generator48
  • Industrial wastewater discharge20
  • Gas station (mapped facility)18
  • Rail grade crossing17
  • Hazardous waste transporter10
  • Large hazardous waste generator9
  • Wastewater plant (mapped facility)6
  • Correctional facility (prison or jail)5
  • Hydroelectric plant5
  • Air permit holder (minor source)4
  • Brownfield property3
  • EPA air quality monitor2
  • Public airport2
  • Toxic chemical release facility (TRI)2
  • Major air pollution source1
  • Commercial airport1
  • Auto repair or body shop (mapped facility)1
  • Dry cleaner (mapped facility)1
  • Heliport1
  • Landfill (mapped facility)1
  • Biomass power plant1
  • Superfund (NPL) site1
  • TRI reporting facility1

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. Argonaut Mine, Jackson

    Superfund (NPL) site. Hazard Ranking System score 58.3. NPL Site.

    EPA site ID CAD983650011 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Ampine: A Div Of Timber Products, Sutter Creek

    Toxic chemical release facility (TRI). Chemicals: Diisocyanates, Lead. Reports carcinogens. 898 lbs released over 5 years.

    TRI facility ID 95654GRGPCPOBOX (U.S. EPA Toxics Release Inventory)

    Severity 6.8

  3. Harrah'S Northern California Wwtp, Ione

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110064616296 (U.S. EPA ECHO) Agency record

    Severity 4.5

  4. Specialty Granules Ione Llc, Ione

    TRI reporting facility.

    EPA FRS registry ID 110020517500 (U.S. EPA ECHO) Agency record

    Severity 4

  5. Oro De Amador Properties, Jackson

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070090527 (U.S. EPA ECHO) Agency record

    Severity 4

  6. Vicini Brothers Llc, Plymouth

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070094999 (U.S. EPA ECHO) Agency record

    Severity 4

  7. Indian Hill Processing, Ione

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070097212 (U.S. EPA ECHO) Agency record

    Severity 4

  8. Ampine: A Division Of Timber Products Co, Martell

    Major air pollution source.

    EPA FRS registry ID 110000485751 (U.S. EPA ECHO) Agency record

    Severity 3.5

  9. Oro De Amador, Jackson

    Brownfield property.

    EPA FRS registry ID 110039062563 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  10. New London Mine, Plymouth

    Brownfield property.

    EPA FRS registry ID 110044759650 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  11. Central Eureka Mine Project: City Of Sutter Creek, Sutter Creek

    Brownfield property.

    EPA FRS registry ID 110071965054 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  12. Ampine: A Division Of Timber Products Co, Martell

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000485751 (U.S. EPA ECHO) Agency record

    Severity 3

  13. Mule Creek State Prison, Cdc, Ione

    Large hazardous waste generator.

    EPA FRS registry ID 110005996075 (U.S. EPA ECHO) Agency record

    Severity 3

  14. Pacific Bell, Ione

    Large hazardous waste generator.

    EPA FRS registry ID 110008292196 (U.S. EPA ECHO) Agency record

    Severity 3

  15. Pacific Bell, Sutter Creek

    Large hazardous waste generator.

    EPA FRS registry ID 110008292294 (U.S. EPA ECHO) Agency record

    Severity 3

  16. Specialty Granules Ione Llc, Ione

    Large hazardous waste generator.

    EPA FRS registry ID 110020517500 (U.S. EPA ECHO) Agency record

    Severity 3

  17. Plymouth Water Pipeline Project, Amador City

    Large hazardous waste generator.

    EPA FRS registry ID 110038892231 (U.S. EPA ECHO) Agency record

    Severity 3

  18. Cvs Pharmacy No 9233, Jackson

    Large hazardous waste generator.

    EPA FRS registry ID 110054821298 (U.S. EPA ECHO) Agency record

    Severity 3

  19. Upper Dry Creek Slate Mine, Drytown

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070093297 (U.S. EPA ECHO) Agency record

    Severity 3

  20. Usepa R9 Removal Action At Argonaut Mine, Jackson

    Large hazardous waste generator.

    EPA FRS registry ID 110071130751 (U.S. EPA ECHO) Agency record

    Severity 3

  21. Pg&E - Rocklin Contractor Yard, River Pines

    Large hazardous waste generator.

    EPA FRS registry ID 110072242701 (U.S. EPA ECHO) Agency record

    Severity 3

  22. Pg&E - Ione Substation, Ione

    Large hazardous waste generator.

    EPA FRS registry ID x977e87ac06ad0e071cf8584fb1eeb924 (U.S. EPA ECHO) Agency record

    Severity 3

  23. Specialty Granules (Ione) Llc, Ione

    Toxic chemical release facility (TRI). Chemicals: Zinc compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region).

    TRI facility ID 95640SPGRN19STA (U.S. EPA Toxics Release Inventory)

    Severity 3

  24. Buena Vista Biomass Power, Ione

    Biomass power plant.

    Record ID 58472 (U.S. Energy Information Administration)

    Severity 2.5

  25. Jackson Westover Airport, Martell

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070088777 (U.S. EPA ECHO) Agency record

    Severity 2.3

Correctional facilities

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

Discovery / public records

Records to request for Amador County

  • California 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 Amador County, and their findings.

  • California vital statistics office

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

  • California health department, environmental epidemiology

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

  • California 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.

  • California 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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