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Kitsap County, Washington: environmental and disease records

Cancer mortality in Kitsap County is 135.5 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Melanoma of the skin deaths at 1.5 times the U.S. rate. Federal databases place 625 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (311), Gas station (mapped facility) (77), Auto repair or body shop (mapped facility) (53). One correctional facility operates in the county. EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 30 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: 47.6709, -122.6833.

How this county ranks in Washington

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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 Kitsap County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Melanoma of the skinDeaths2.921.45xSignificant2.2 to 3.82020-2024
Melanoma of the skinNew cases33.323.81.4xSignificant30.6 to 36.32019-2023
BladderNew cases24.218.71.29xSignificant22 to 26.62019-2023
Liver & bile ductNew cases10.68.71.22xSignificant9.2 to 12.22019-2023
EsophagusDeaths4.33.71.16x3.4 to 5.42020-2024
LeukemiaNew cases16.814.51.16xSignificant14.9 to 18.92019-2023
Non-Hodgkin lymphomaNew cases21.118.51.14xSignificant18.9 to 23.42019-2023
Non-Hodgkin lymphomaDeaths5.34.81.1x4.3 to 6.52020-2024
All cancerNew cases488.8453.41.08xSignificant478.3 to 499.42019-2023
ThyroidNew cases13.6131.05x11.7 to 15.62019-2023
PancreasDeaths11.411.31.01x9.9 to 13.12020-2024
BladderDeaths4.14.11x3.2 to 5.22020-2024
Brain & nervous systemNew cases6.26.21x5 to 7.52019-2023
Liver & bile ductDeaths6.66.61x5.5 to 7.92020-2024
PancreasNew cases13.613.90.98x11.9 to 15.52019-2023
Kidney & renal pelvisDeaths3.33.40.97x2.5 to 4.42020-2024
EsophagusNew cases4.44.60.96x3.5 to 5.52019-2023
Lung & bronchusNew cases49.451.80.95x46.2 to 52.72019-2023
All cancerDeaths135.5143.20.95x130.2 to 1412020-2024
LeukemiaDeaths5.25.70.91x4.2 to 6.42020-2024
Kidney & renal pelvisNew cases16.217.90.91x14.3 to 18.22019-2023
Brain & nervous systemDeaths3.94.40.89x3 to 52020-2024
Lung & bronchusDeaths25.730.20.85x23.4 to 28.12020-2024
Childhood cancer (under 15)New cases13.516.40.82x9.2 to 19.22019-2023
StomachNew cases5.36.60.8x4.3 to 6.52019-2023
StomachDeaths1.62.70.59x1.1 to 2.32020-2024

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 Kitsap County
MeasureCountyU.S. medianDifferenceUnit
Premature death6,098.99,842.6-38%years of life lost before age 75 per 100,000
Life expectancy79.575.3+6%years
Child mortality45.459.8-24%deaths under age 18 per 100,000
Infant mortality4.56.2-28%deaths under age 1 per 1,000 live births
Injury deaths7296.9-26%deaths per 100,000
Drug overdose deaths20.728.6-28%deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 30 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

  • Formaldehyde14.55 per million
  • Carbon Tetrachloride3.01 per million
  • Naphthalene2.59 per million
  • Acetaldehyde2.24 per million

EPA Air Quality Index 2025

Monitored on 356 days: 340 good, 0 unhealthy for sensitive groups or worse. Median AQI 22, peak 61.

Regulated facilities, sites and hazards by type

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

  • NPDES wastewater discharge permit311
  • Gas station (mapped facility)77
  • Auto repair or body shop (mapped facility)53
  • Air permit holder (minor source)43
  • Brownfield property38
  • Rail grade crossing25
  • Small hazardous waste generator21
  • Large hazardous waste generator9
  • Dry cleaner (mapped facility)8
  • Superfund (NPL) site8
  • Public airport6
  • Toxic chemical release facility (TRI)5
  • Heliport4
  • TRI reporting facility3
  • Major air pollution source2
  • Large greenhouse gas emitter2
  • Hazardous waste transporter2
  • Landfill (mapped facility)2
  • EPA air quality monitor1
  • Airfield1
  • Commercial airport1
  • Correctional facility (prison or jail)1
  • Scrapyard (mapped facility)1
  • Wastewater plant (mapped facility)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. Us Navy Puget Sound Naval Shipyard (Psns) - Tanks, Bremerton

    TRI reporting facility. Penalties $4,250.

    EPA FRS registry ID 110006894833 (U.S. EPA ECHO) Agency record

    Severity 10

  2. Naval Undersea Warfare Station (4 Areas), Keyport

    Superfund (NPL) site. Hazard Ranking System score 33.6. NPL Site.

    EPA site ID WA1170023419 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  3. Puget Sound Naval Shipyard Complex, Bremerton

    Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.

    EPA site ID WA2170023418 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  4. Jackson Park Housing Complex (USNAVY), Kitsap County

    Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.

    EPA site ID WA3170090044 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  5. Bangor Naval Submarine Base, Silverdale

    Superfund (NPL) site. Hazard Ranking System score 55.9. NPL Site.

    EPA site ID WA5170027291 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  6. Bangor Ordnance Disposal (USNAVY), Bremerton

    Superfund (NPL) site. Hazard Ranking System score 30.4. NPL Site.

    EPA site ID WA7170027265 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  7. Old Navy Dump/Manchester Laboratory (USEPA/NOAA), Manchester

    Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.

    EPA site ID WA8680030931 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  8. Wyckoff Co./Eagle Harbor, Bainbridge Island

    Superfund (NPL) site. Hazard Ranking System score 32.6. NPL Site.

    EPA site ID WAD009248295 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  9. Bremerton Gasworks, Bremerton

    Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.

    EPA site ID WAN001002907 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  10. Us Navy Psns & Imf - Bremerton Site & Naval Base Kitsap, Bremerton

    Toxic chemical release facility (TRI). Chemicals: n-Butyl alcohol, Xylene (mixed isomers), 1,2,4-Trimethylbenzene, Copper compounds and 4 more. Reports carcinogens. 250,061 lbs released over 5 years.

    TRI facility ID 98314SDDSN1400F (U.S. EPA Toxics Release Inventory)

    Severity 8.6

  11. Defiance Boats Llc, Bremerton

    Toxic chemical release facility (TRI). Chemicals: Styrene. Reports carcinogens. 27,396 lbs released over 5 years.

    TRI facility ID 9831WDFNCB512NI (U.S. EPA Toxics Release Inventory)

    Severity 7.9

  12. Us Navy Puget Sound Naval Shipyard (Psns) - Tanks, Bremerton

    Major air pollution source. Penalties $4,250.

    EPA FRS registry ID 110006894833 (U.S. EPA ECHO) Agency record

    Severity 7.5

  13. Us Navy Puget Sound Naval Shipyard (Psns) - Tanks, Bremerton

    Large hazardous waste generator. Penalties $4,250.

    EPA FRS registry ID 110006894833 (U.S. EPA ECHO) Agency record

    Severity 7

  14. Us Navy Puget Sound Naval Shipyard (Psns) - Tanks, Bremerton

    NPDES wastewater discharge permit. Penalties $4,250.

    EPA FRS registry ID 110006894833 (U.S. EPA ECHO) Agency record

    Severity 7

  15. Bainbridge Island Wwtp, Bainbridge Island

    NPDES wastewater discharge permit. Penalties $675.

    EPA FRS registry ID 110015564110 (U.S. EPA ECHO) Agency record

    Severity 7

  16. Us Navy Keyport Naval Undersea Warfare Center Div, Keyport

    Large hazardous waste generator. Penalties $4,500.

    EPA FRS registry ID 110001920075 (U.S. EPA ECHO) Agency record

    Severity 6.5

  17. Us Navy Keyport Naval Undersea Warfare Center Div, Keyport

    NPDES wastewater discharge permit. Penalties $4,500.

    EPA FRS registry ID 110001920075 (U.S. EPA ECHO) Agency record

    Severity 6.5

  18. Olympic View Sanitary Landfill Inc, Port Orchard

    Major air pollution source.

    EPA FRS registry ID 110005325503 (U.S. EPA ECHO) Agency record

    Severity 6.5

  19. Central Kitsap Treatment Facility, Poulsbo

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000545508 (U.S. EPA ECHO) Agency record

    Severity 6

  20. Olympic View Sanitary Landfill Inc, Port Orchard

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110005325503 (U.S. EPA ECHO) Agency record

    Severity 6

  21. Wdot Eagle Harbor Repair Facility, Bainbridge Island

    Large hazardous waste generator.

    EPA FRS registry ID 110009511304 (U.S. EPA ECHO) Agency record

    Severity 6

  22. Bremerton Stp, Bremerton

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110015415914 (U.S. EPA ECHO) Agency record

    Severity 6

  23. Port Orchard Wwtp, Port Orchard

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110015561756 (U.S. EPA ECHO) Agency record

    Severity 6

  24. American Nw Recycling, Port Orchard

    Large hazardous waste generator.

    EPA FRS registry ID 110070912878 (U.S. EPA ECHO) Agency record

    Severity 6

  25. Naval Base Kitsap At Bangor, Silverdale

    TRI reporting facility.

    EPA FRS registry ID 110064207727 (U.S. EPA ECHO) Agency record

    Severity 5.8

Correctional facilities

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

  • Harper Estuary Barrier Correction, Port Orchard

    EPA FRS registry ID
    110072134275
    Wastewater permit
    Yes, significant noncompliance, 2 quarters in noncompliance

    EPA detailed facility report

Discovery / public records

Records to request for Kitsap County

  • Washington 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 Kitsap County, and their findings.

  • Washington vital statistics office

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

  • Washington health department, environmental epidemiology

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

  • Washington 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.

  • Washington 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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