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Yukon-Koyukuk Census Area, Alaska: environmental and disease records

Cancer mortality in Yukon-Koyukuk Census Area is 189.6 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Lung & bronchus deaths at 2.1 times the U.S. rate. Federal databases place 602 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (251), NPDES wastewater discharge permit (186), Commercial airport (37). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 10 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: 65.2229, -153.5527.

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 Yukon-Koyukuk Census Area compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	64.4	30.2	2.13xSignificant	38.9 to 101.3	2020-2024
Lung & bronchus	New cases	79.2	51.8	1.53x	50.5 to 119.2	2019-2023
All cancer	Deaths	189.6	143.2	1.32x	142.9 to 247.5	2020-2024
All cancer	New cases	458.5	453.4	1.01x	383.8 to 544.1	2019-2023

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 Yukon-Koyukuk Census Area
Measure	County	U.S. median	Difference	Unit
Premature death	22,703.6	9,842.6	+131%	years of life lost before age 75 per 100,000
Life expectancy	67.3	75.3	-11%	years
Child mortality	n/a	59.8	n/a	deaths under age 18 per 100,000
Infant mortality	n/a	6.2	n/a	deaths under age 1 per 1,000 live births
Injury deaths	279.8	96.9	+189%	deaths per 100,000
Drug overdose deaths	n/a	28.6	n/a	deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 10 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde5.52 per million
Carbon Tetrachloride3.16 per million
Acetaldehyde0.88 per million
Benzene0.84 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge251
NPDES wastewater discharge permit186
Commercial airport37
Brownfield property32
Public airport22
Air permit holder (minor source)20
Rail grade crossing13
Gas station (mapped facility)11
Landfill (mapped facility)10
Hazardous waste transporter5
Major air pollution source3
Airfield3
Small hazardous waste generator3
Oil-fired power plant3
Auto repair or body shop (mapped facility)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.

Nixon Fork Mine, Mcgrath
Major air pollution source.
EPA FRS registry ID 110037982555 (U.S. EPA ECHO) Agency record
Severity 6.5
Nixon Fork Mine, Mcgrath
NPDES wastewater discharge permit.
EPA FRS registry ID 110037982555 (U.S. EPA ECHO) Agency record
Severity 6
F/V Starbound (Uscg No. 944685), Not Applicable
NPDES wastewater discharge permit. Penalties $336,000.
EPA FRS registry ID 110042373954 (U.S. EPA ECHO) Agency record
Severity 5.3
Miscovich Otter Creek Mine Site, Flat
NPDES wastewater discharge permit.
EPA FRS registry ID 110009004237 (U.S. EPA ECHO) Agency record
Severity 4.5
Emma Creek Mine, Koyukuk
NPDES wastewater discharge permit.
EPA FRS registry ID 110009004601 (U.S. EPA ECHO) Agency record
Severity 4.5
Golden Fleece Inc - F/V Golden Fleece (Uscg No. 609951), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110009005129 (U.S. EPA ECHO) Agency record
Severity 4.5
Birch Creek, Bettles
NPDES wastewater discharge permit.
EPA FRS registry ID 110009037069 (U.S. EPA ECHO) Agency record
Severity 4.5
Strandberg Creston & Montana Creeks Mine Site, Mcgrath
NPDES wastewater discharge permit.
EPA FRS registry ID 110009037274 (U.S. EPA ECHO) Agency record
Severity 4.5
Golden Boyz Little Boulder Creek Mine Site, Manley Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110010114232 (U.S. EPA ECHO) Agency record
Severity 4.5
Wrede Switch Creek Mine Site, Central
NPDES wastewater discharge permit.
EPA FRS registry ID 110010114321 (U.S. EPA ECHO) Agency record
Severity 4.5
U.S. Liberator (Uscg No. 611520), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110011383252 (U.S. EPA ECHO) Agency record
Severity 4.5
Agoff Bonanza Creek Mine Site, Flat
NPDES wastewater discharge permit.
EPA FRS registry ID 110017861107 (U.S. EPA ECHO) Agency record
Severity 4.5
Nenana Wwtf, Nenana
NPDES wastewater discharge permit.
EPA FRS registry ID 110020045137 (U.S. EPA ECHO) Agency record
Severity 4.5
Buckeye Land & Minerals Olive Creek Mine Site, Livengood
NPDES wastewater discharge permit.
EPA FRS registry ID 110024880805 (U.S. EPA ECHO) Agency record
Severity 4.5
Magnuson Madison Creek Mine Site, Takotna
NPDES wastewater discharge permit.
EPA FRS registry ID 110028067776 (U.S. EPA ECHO) Agency record
Severity 4.5
F/V Siberian Sea (Uscg No. 975853), Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110028072056 (U.S. EPA ECHO) Agency record
Severity 4.5
Glacier Fish Company Llc - F/V Alaska Ocean (Uscg No. 637856), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042365712 (U.S. EPA ECHO) Agency record
Severity 4.5
The Fishing Company Of Alaska Inc - F/V Alaska Warrior (Uscg No. 590350), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042365918 (U.S. EPA ECHO) Agency record
Severity 4.5
F/V Alaska Victory (Uscg No. 568752), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042365972 (U.S. EPA ECHO) Agency record
Severity 4.5
Arctic Storm Management Group Llc - C/P Arctic Storm (Uscg No. 903511), Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110042368531 (U.S. EPA ECHO) Agency record
Severity 4.5
F/V Ocean Prowler (Uscg No. 632751), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042369807 (U.S. EPA ECHO) Agency record
Severity 4.5
Bering Prowler 973006, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110042369852 (U.S. EPA ECHO) Agency record
Severity 4.5
Gas Llc Llc - M/V Golden Alaska (Uscg No. 651041), Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110042369914 (U.S. EPA ECHO) Agency record
Severity 4.5
American Seafoods Company Llc - F/T Ocean Rover (Uscg No. 552100), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042370975 (U.S. EPA ECHO) Agency record
Severity 4.5
F/V Frontier Spirit (Uscg No. 975441), Not Applicable
NPDES wastewater discharge permit.
EPA FRS registry ID 110042371260 (U.S. EPA ECHO) Agency record
Severity 4.5

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 Yukon-Koyukuk 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 Yukon-Koyukuk 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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