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Matanuska-Susitna Borough, Alaska: environmental and disease records

Cancer mortality in Matanuska-Susitna Borough is 161.3 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Esophagus deaths at 1.6 times the U.S. rate. Federal databases place 744 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (194), NPDES wastewater discharge permit (157), Public airport (140). One correctional facility operates 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: 62.3359, -149.7128.

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 Matanuska-Susitna Borough compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
EsophagusNew cases8.84.61.91xSignificant6.3 to 11.92019-2023
Melanoma of the skinDeaths3.521.75x1.9 to 5.82020-2024
EsophagusDeaths5.93.71.59xSignificant4 to 8.42020-2024
Kidney & renal pelvisDeaths53.41.47x3.2 to 7.52020-2024
Non-Hodgkin lymphomaDeaths6.44.81.33x4.4 to 92020-2024
Childhood cancer (under 15)New cases21.416.41.3x13.8 to 31.62019-2023
Brain & nervous systemNew cases7.96.21.27x5.7 to 10.72019-2023
Brain & nervous systemDeaths5.44.41.23x3.6 to 7.92020-2024
LeukemiaDeaths6.85.71.19x4.5 to 9.72020-2024
BladderDeaths4.84.11.17x3 to 7.42020-2024
Kidney & renal pelvisNew cases20.817.91.16x17 to 252019-2023
All cancerDeaths161.3143.21.13xSignificant149.9 to 173.22020-2024
Lung & bronchusDeaths3330.21.09x28.1 to 38.52020-2024
BladderNew cases19.718.71.05x15.9 to 24.12019-2023
Lung & bronchusNew cases52.751.81.02x46.5 to 59.42019-2023
All cancerNew cases450453.40.99x431.7 to 4692019-2023
PancreasNew cases13.713.90.99x10.6 to 17.32019-2023
Non-Hodgkin lymphomaNew cases17.618.50.95x14.1 to 21.72019-2023
PancreasDeaths10.611.30.94x7.9 to 13.82020-2024
Liver & bile ductNew cases8.18.70.93x5.8 to 10.92019-2023
ThyroidNew cases11.8130.91x9 to 152019-2023
Melanoma of the skinNew cases20.623.80.87x16.8 to 252019-2023
Liver & bile ductDeaths5.76.60.86x3.8 to 8.12020-2024
LeukemiaNew cases11.914.50.82x9 to 15.42019-2023
StomachNew cases4.36.60.65x2.8 to 6.52019-2023

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 Matanuska-Susitna Borough
MeasureCountyU.S. medianDifferenceUnit
Premature death8,750.19,842.6-11%years of life lost before age 75 per 100,000
Life expectancy76.275.3+1%years
Child mortality44.759.8-25%deaths under age 18 per 100,000
Infant mortality3.96.2-37%deaths under age 1 per 1,000 live births
Injury deaths97.696.9+1%deaths per 100,000
Drug overdose deaths27.228.6-5%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.

  • Formaldehyde9.48 per million
  • Carbon Tetrachloride3.07 per million
  • Naphthalene2.53 per million
  • Benzene1.61 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

  • Industrial wastewater discharge194
  • NPDES wastewater discharge permit157
  • Public airport140
  • Gas station (mapped facility)52
  • Rail grade crossing39
  • Airfield36
  • Auto repair or body shop (mapped facility)25
  • Hazardous waste transporter19
  • Air permit holder (minor source)15
  • Scrapyard (mapped facility)13
  • Heliport12
  • Brownfield property11
  • Commercial airport9
  • Small hazardous waste generator8
  • Major air pollution source3
  • EPA air quality monitor2
  • Landfill (mapped facility)2
  • Correctional facility (prison or jail)1
  • Dry cleaner (mapped facility)1
  • Large greenhouse gas emitter1
  • Hydroelectric plant1
  • TRI reporting facility1
  • Toxic chemical release facility (TRI)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. Crowley Palmer Facility, Palmer

    Toxic chemical release facility (TRI). Chemicals: Toluene, n-Hexane, Benzene, Xylene (mixed isomers) and 4 more. Reports carcinogens. 4,540 lbs released over 5 years.

    TRI facility ID 9964WCRWLY485EU (U.S. EPA Toxics Release Inventory)

    Severity 7.3

  2. Crowley Palmer Facility, Palmer

    TRI reporting facility.

    EPA FRS registry ID 110071285345 (U.S. EPA ECHO) Agency record

    Severity 5.4

  3. Palmer Wwtp, Palmer

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110039730459 (U.S. EPA ECHO) Agency record

    Severity 5.3

  4. Gold Gulch Kahiltna River Suction Dredge, Talkeetna

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110041258518 (U.S. EPA ECHO) Agency record

    Severity 4.5

  5. Wasilla Creek Commons Water, Palmer

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110047792304 (U.S. EPA ECHO) Agency record

    Severity 4.5

  6. Turner Cache Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110059794021 (U.S. EPA ECHO) Agency record

    Severity 4.5

  7. Cruz 4072 Wwtf, Palmer

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110063219529 (U.S. EPA ECHO) Agency record

    Severity 4.5

  8. Waterstone Nugget Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070151883 (U.S. EPA ECHO) Agency record

    Severity 4.5

  9. Fuller Caribou Creek Suction Dredge, Willow

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070151988 (U.S. EPA ECHO) Agency record

    Severity 4.5

  10. Smith Caribou Creek Mine Site, Willow

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070152030 (U.S. EPA ECHO) Agency record

    Severity 4.5

  11. Lupine Enterprises Valdez Creek Mine Site, Talkeetna

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070380915 (U.S. EPA ECHO) Agency record

    Severity 4.5

  12. Mook Mining Co. Purches & Peters Creeks Mine Site, Willow

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071065215 (U.S. EPA ECHO) Agency record

    Severity 4.5

  13. Boyce Busch Creek Mine Site, Talkeetna

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071097784 (U.S. EPA ECHO) Agency record

    Severity 4.5

  14. Goodenough Nugget Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070380976 (U.S. EPA ECHO) Agency record

    Severity 4.3

  15. Safety Waste Incineration, Wasilla

    Air permit holder (minor source).

    EPA FRS registry ID 110043804906 (U.S. EPA ECHO) Agency record

    Severity 4

  16. Hammers Cache Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071445965 (U.S. EPA ECHO) Agency record

    Severity 4

  17. Quality Sand & Gravel-Morgan, Palmer

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070502345 (U.S. EPA ECHO) Agency record

    Severity 3.8

  18. Granite Construction Stan Steel Hot Asphalt Plant, Palmer

    Major air pollution source.

    EPA FRS registry ID 110007236687 (U.S. EPA ECHO) Agency record

    Severity 3.5

  19. Titan Alaska Lng Plant 1, Wasilla

    Major air pollution source.

    EPA FRS registry ID 110043969382 (U.S. EPA ECHO) Agency record

    Severity 3.5

  20. Eklutna Generation Station, Palmer

    Major air pollution source.

    EPA FRS registry ID 110060284552 (U.S. EPA ECHO) Agency record

    Severity 3.5

  21. Eklutna Aquaculture Facility Ciaa, Palmer

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070252312 (U.S. EPA ECHO) Agency record

    Severity 3.5

  22. Calabrese Peters Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070569475 (U.S. EPA ECHO) Agency record

    Severity 3.5

  23. Kings River Bridge, Sutton

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071322976 (U.S. EPA ECHO) Agency record

    Severity 3.5

  24. Dietrich Falls Creek Mine Site, Trapper Creek

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071445479 (U.S. EPA ECHO) Agency record

    Severity 3.5

  25. Talkeetna Sewage Treatment Lagoons, Talkeetna

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110037116643 (U.S. EPA ECHO) Agency record

    Severity 3.3

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 Matanuska-Susitna Borough

  • 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 Matanuska-Susitna Borough, 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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