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Aleutians West Census Area, Alaska: environmental and disease records

Federal databases place 171 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (69), NPDES wastewater discharge permit (44), Air permit holder (minor source) (11). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 7 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: 51.796, -176.5946.

How this county ranks in Alaska

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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 Aleutians West Census Area compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
All cancerNew cases221.2453.40.49x133.3 to 341.12019-2023

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 Aleutians West Census Area
MeasureCountyU.S. medianDifferenceUnit
Premature death5,785.49,842.6-41%years of life lost before age 75 per 100,000
Life expectancy85.975.3+14%years
Child mortalityn/a59.8n/adeaths under age 18 per 100,000
Infant mortalityn/a6.2n/adeaths under age 1 per 1,000 live births
Injury deaths80.896.9-17%deaths per 100,000
Drug overdose deathsn/a28.6n/adeaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 7 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

  • Formaldehyde3.26 per million
  • Carbon Tetrachloride3.05 per million
  • Benzene0.78 per million
  • Acetaldehyde0.2 per million

EPA Air Quality Index

No EPA air quality monitor reports daily AQI for this county.

Regulated facilities, sites and hazards by type

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

  • Industrial wastewater discharge69
  • NPDES wastewater discharge permit44
  • Air permit holder (minor source)11
  • Commercial airport8
  • Hazardous waste transporter8
  • Major air pollution source5
  • Oil-fired power plant4
  • Brownfield property3
  • Gas station (mapped facility)3
  • Landfill (mapped facility)3
  • Toxic chemical release facility (TRI)3
  • Wastewater plant (mapped facility)3
  • Small hazardous waste generator2
  • Scrapyard (mapped facility)2
  • Large greenhouse gas emitter1
  • 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. Adak Naval Air Station, Adak

    Superfund (NPL) site. Hazard Ranking System score 51.4. NPL Site.

    EPA site ID AK4170024323 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Unisea Dutch Harbor, Dutch Harbor

    TRI reporting facility. Penalties $5,859.

    EPA FRS registry ID 110064064408 (U.S. EPA ECHO) Agency record

    Severity 9.1

  3. Trident Seafoods / St Paul, Saint Paul Island

    Toxic chemical release facility (TRI). Chemicals: Naphthalene. Reports carcinogens. 24,792 lbs released over 5 years.

    TRI facility ID 99660TRDNTSAINT (U.S. EPA Toxics Release Inventory)

    Severity 7.9

  4. Delta Western Llc Dutch Harbor Bulk Facility, Dutch Harbor

    Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), Benzene, 1,2,4-Trimethylbenzene, n-Hexane and 4 more. Reports carcinogens. 14,473 lbs released over 5 years.

    TRI facility ID 9969WDTCHH1577E (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  5. Unisea Dutch Harbor, Dutch Harbor

    Major air pollution source. Penalties $5,859.

    EPA FRS registry ID 110064064408 (U.S. EPA ECHO) Agency record

    Severity 7

  6. Westward Seafoods, Inc., Dutch Harbor

    Major air pollution source.

    EPA FRS registry ID 110006618614 (U.S. EPA ECHO) Agency record

    Severity 6.5

  7. Dutch Harbor Power Plant, Dutch Harbor

    Major air pollution source.

    EPA FRS registry ID 110064048926 (U.S. EPA ECHO) Agency record

    Severity 6.5

  8. Unisea Dutch Harbor, Dutch Harbor

    NPDES wastewater discharge permit. Penalties $5,859.

    EPA FRS registry ID 110064064408 (U.S. EPA ECHO) Agency record

    Severity 6.5

  9. Unisea Inc., Dutch Harbor

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Chlorine. 15,688 lbs released over 5 years.

    TRI facility ID 99692NSNCXPOUCH (U.S. EPA Toxics Release Inventory)

    Severity 6.2

  10. Westward Seafoods, Inc., Dutch Harbor

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110006618614 (U.S. EPA ECHO) Agency record

    Severity 6

  11. Dutch Harbor Power Plant, Dutch Harbor

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110064048926 (U.S. EPA ECHO) Agency record

    Severity 6

  12. Unisea Dutch Harbor, Dutch Harbor

    Large greenhouse gas emitter. Penalties $5,859.

    EPA FRS registry ID 110064064408 (U.S. EPA ECHO) Agency record

    Severity 6

  13. Alyeska Seafood Unalaska Processing Facility, Unalaska

    Major air pollution source.

    EPA FRS registry ID 110000507693 (U.S. EPA ECHO) Agency record

    Severity 5.8

  14. Alyeska Seafood Unalaska Processing Facility, Unalaska

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000507693 (U.S. EPA ECHO) Agency record

    Severity 5.3

  15. Adak, Adak Island

    Commercial airport. O.

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

    Severity 5

  16. American Seafoods, Unalaska

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110011383430 (U.S. EPA ECHO) Agency record

    Severity 4.5

  17. Unalaska Landfill, Unalaska

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110034138305 (U.S. EPA ECHO) Agency record

    Severity 4.5

  18. Unisea Dutch Harbor, Dutch Harbor

    Hazardous waste transporter. Penalties $5,859.

    EPA FRS registry ID 110064064408 (U.S. EPA ECHO) Agency record

    Severity 4.5

  19. Adak Fuels Llc, Adak

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070215939 (U.S. EPA ECHO) Agency record

    Severity 4.5

  20. Unalaska Airport, Dutch Harbor

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070518019 (U.S. EPA ECHO) Agency record

    Severity 4.5

  21. Trident Seafoods Independence Offshore Processing Vessel, Adak

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110009037461 (U.S. EPA ECHO) Agency record

    Severity 4.3

  22. Terminal One, Dutch Harbor

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071336344 (U.S. EPA ECHO) Agency record

    Severity 4.3

  23. Dutch Harbor, Dutch Harbor

    Oil-fired power plant.

    Record ID 7502 (U.S. Energy Information Administration)

    Severity 4

  24. Unisea G 2, Dutch Harbor

    Oil-fired power plant.

    Record ID 54422 (U.S. Energy Information Administration)

    Severity 4

  25. Westward Seafoods, Dutch Harbor

    Oil-fired power plant.

    Record ID 54305 (U.S. Energy Information Administration)

    Severity 4

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 Aleutians West Census Area

  • Alaska 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 Aleutians West Census Area, and their findings.

  • Alaska vital statistics office

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

  • Alaska health department, environmental epidemiology

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

  • Alaska 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.

  • Alaska 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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