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Marin County, California: environmental and disease records

Cancer mortality in Marin County is 111.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 877 regulated facilities, sites and hazards inside the county, led by Small hazardous waste generator (347), NPDES wastewater discharge permit (208), Large hazardous waste generator (68). 2 correctional facilities operate in the county. 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: 38.0701, -122.7323.

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 Marin County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Melanoma of the skinNew cases59.623.82.5xSignificant56 to 63.42019-2023
Childhood cancer (under 15)New cases22.916.41.4xSignificant16.7 to 30.72019-2023
Brain & nervous systemDeaths5.34.41.2x4.3 to 6.52020-2024
Non-Hodgkin lymphomaNew cases21.818.51.18xSignificant19.7 to 24.12019-2023
Brain & nervous systemNew cases6.96.21.11x5.6 to 8.42019-2023
All cancerNew cases471.9453.41.04xSignificant462 to 482.12019-2023
BladderNew cases18.918.71.01x17.1 to 20.82019-2023
Melanoma of the skinDeaths1.920.95x1.4 to 2.62020-2024
LeukemiaNew cases13.614.50.94x11.8 to 15.52019-2023
PancreasNew cases12.713.90.91x11.2 to 14.42019-2023
LeukemiaDeaths5.25.70.91x4.2 to 6.42020-2024
ThyroidNew cases11.8130.91x10 to 13.92019-2023
StomachDeaths2.42.70.89x1.7 to 3.22020-2024
Liver & bile ductDeaths5.76.60.86x4.8 to 6.82020-2024
PancreasDeaths9.511.30.84x8.2 to 10.92020-2024
Non-Hodgkin lymphomaDeaths44.80.83x3.2 to 52020-2024
Liver & bile ductNew cases7.28.70.83x6.1 to 8.52019-2023
All cancerDeaths111.6143.20.78x107.1 to 116.22020-2024
StomachNew cases5.16.60.77x4.1 to 6.32019-2023
BladderDeaths34.10.73x2.3 to 3.82020-2024
Kidney & renal pelvisDeaths2.43.40.71x1.8 to 3.22020-2024
EsophagusDeaths2.63.70.7x2 to 3.42020-2024
Kidney & renal pelvisNew cases11.817.90.66x10.3 to 13.52019-2023
Lung & bronchusNew cases33.151.80.64x30.7 to 35.72019-2023
EsophagusNew cases2.84.60.61x2.2 to 3.72019-2023
Lung & bronchusDeaths15.630.20.52x14.1 to 17.42020-2024

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 Marin County
MeasureCountyU.S. medianDifferenceUnit
Premature death4,149.49,842.6-58%years of life lost before age 75 per 100,000
Life expectancy84.375.3+12%years
Child mortality25.259.8-58%deaths under age 18 per 100,000
Infant mortality1.66.2-75%deaths under age 1 per 1,000 live births
Injury deaths63.596.9-35%deaths per 100,000
Drug overdose deaths23.728.6-17%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.

  • Formaldehyde14.76 per million
  • Carbon Tetrachloride2.97 per million
  • Acetaldehyde1.77 per million
  • Naphthalene1.12 per million

EPA Air Quality Index 2025

Monitored on 95 days: 87 good, 0 unhealthy for sensitive groups or worse. Median AQI 21, peak 66.

Regulated facilities, sites and hazards by type

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

  • Small hazardous waste generator347
  • NPDES wastewater discharge permit208
  • Large hazardous waste generator68
  • Gas station (mapped facility)59
  • Auto repair or body shop (mapped facility)58
  • Rail grade crossing42
  • Industrial wastewater discharge25
  • Hazardous waste transporter23
  • Dry cleaner (mapped facility)20
  • Wastewater plant (mapped facility)5
  • Air permit holder (minor source)4
  • Major air pollution source2
  • EPA air quality monitor2
  • Correctional facility (prison or jail)2
  • Heliport2
  • Landfill (mapped facility)2
  • Solar power plant2
  • Airfield1
  • Public airport1
  • Commercial airport1
  • Large greenhouse gas emitter1
  • Biomass power plant1
  • Toxic chemical release facility (TRI)1

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. Redwood Landfill Inc, Novato

    Major air pollution source. Penalties $5,000.

    EPA FRS registry ID 110010060842 (U.S. EPA ECHO) Agency record

    Severity 7.5

  2. Redwood Landfill Inc, Novato

    NPDES wastewater discharge permit. Penalties $5,000.

    EPA FRS registry ID 110010060842 (U.S. EPA ECHO) Agency record

    Severity 7

  3. Lgc Biosearch Technologies Inc., Novato

    Toxic chemical release facility (TRI). Chemicals: Acetonitrile, Dichloromethane. Reports carcinogens. 874 lbs released over 5 years.

    TRI facility ID 9494WLGCBS51DIG (U.S. EPA Toxics Release Inventory)

    Severity 6.8

  4. Redwood Landfill Inc, Novato

    Large greenhouse gas emitter. Penalties $5,000.

    EPA FRS registry ID 110010060842 (U.S. EPA ECHO) Agency record

    Severity 6.5

  5. Southern Marin Wwtp, Mill Valley

    NPDES wastewater discharge permit. Penalties $25,500.

    EPA FRS registry ID 110002418848 (U.S. EPA ECHO) Agency record

    Severity 5.5

  6. Heath Ceramics Inc, Sausalito

    Large hazardous waste generator.

    EPA FRS registry ID 110002909103 (U.S. EPA ECHO) Agency record

    Severity 5.5

  7. Las Gallinas Valley Sanitary District, San Rafael

    NPDES wastewater discharge permit. Penalties $33,000.

    EPA FRS registry ID 110037253423 (U.S. EPA ECHO) Agency record

    Severity 5

  8. Cvs Pharmacy # 9913, Mill Valley

    Large hazardous waste generator.

    EPA FRS registry ID 110055522929 (U.S. EPA ECHO) Agency record

    Severity 5

  9. Heath Ceramics Inc, Sausalito

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110002909103 (U.S. EPA ECHO) Agency record

    Severity 4

  10. Base Yard, Sausalito

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070087439 (U.S. EPA ECHO) Agency record

    Severity 4

  11. Kmck Llc Dba Paradise Cay Yacht Harbor, Tiburon

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070093638 (U.S. EPA ECHO) Agency record

    Severity 4

  12. Sausalito-Marin City Sanitary District, Sausalito

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000730585 (U.S. EPA ECHO) Agency record

    Severity 3.8

  13. Marin Recycling & Resource Recovery Association, San Rafael

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070203510 (U.S. EPA ECHO) Agency record

    Severity 3.8

  14. Wincup Holdings Lp, Corte Madera

    Major air pollution source.

    EPA FRS registry ID 110001163071 (U.S. EPA ECHO) Agency record

    Severity 3.5

  15. Cvs Pharmacy # 9529, San Rafael

    Large hazardous waste generator.

    EPA FRS registry ID 110002919619 (U.S. EPA ECHO) Agency record

    Severity 3.5

  16. Novato Wwtp, Novato

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110039755360 (U.S. EPA ECHO) Agency record

    Severity 3.3

  17. Tesla Collision - San Rafael, San Rafael

    Large hazardous waste generator.

    EPA FRS registry ID 110072039331 (U.S. EPA ECHO) Agency record

    Severity 3.3

  18. Kaiser Permanente Medical Center, San Rafael

    Large hazardous waste generator.

    EPA FRS registry ID 110000783929 (U.S. EPA ECHO) Agency record

    Severity 3

  19. Golden Gate Bridge And Transit District, San Rafael

    Large hazardous waste generator.

    EPA FRS registry ID 110001174345 (U.S. EPA ECHO) Agency record

    Severity 3

  20. Rite Aid #5958, San Rafael

    Large hazardous waste generator.

    EPA FRS registry ID 110002623055 (U.S. EPA ECHO) Agency record

    Severity 3

  21. Skywalker Properties, Nicasio

    Large hazardous waste generator.

    EPA FRS registry ID 110002644684 (U.S. EPA ECHO) Agency record

    Severity 3

  22. Borsting Laboratories Inc, Novato

    Large hazardous waste generator.

    EPA FRS registry ID 110002785175 (U.S. EPA ECHO) Agency record

    Severity 3

  23. Biomarin Pharmaceutical Inc - 300 Bmk, Novato

    Large hazardous waste generator.

    EPA FRS registry ID 110002796332 (U.S. EPA ECHO) Agency record

    Severity 3

  24. Biosearch Technologies, Inc, Novato

    Large hazardous waste generator.

    EPA FRS registry ID 110002807311 (U.S. EPA ECHO) Agency record

    Severity 3

  25. North Marin Water District, Novato

    Large hazardous waste generator.

    EPA FRS registry ID 110002817051 (U.S. EPA ECHO) 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.

Discovery / public records

Records to request for Marin 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 Marin 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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