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Duchesne County, Utah: environmental and disease records

Cancer mortality in Duchesne County is 145.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 323 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (147), NPDES wastewater discharge permit (112), Gas station (mapped facility) (19). 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: 40.324, -110.4366.

How this county ranks in Utah

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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 Duchesne County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	New cases	41.2	23.8	1.73xSignificant	29.1 to 56.5	2019-2023
All cancer	Deaths	145.6	143.2	1.02x	122.2 to 172	2020-2024
All cancer	New cases	433	453.4	0.96x	392.3 to 476.7	2019-2023
Bladder	New cases	17.2	18.7	0.92x	10.1 to 27.7	2019-2023
Lung & bronchus	Deaths	23.6	30.2	0.78x	14.8 to 35.6	2020-2024
Lung & bronchus	New cases	25.4	51.8	0.49x	16.3 to 37.7	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 Duchesne County
Measure	County	U.S. median	Difference	Unit
Premature death	9,499.2	9,842.6	-3%	years of life lost before age 75 per 100,000
Life expectancy	75.7	75.3	+1%	years
Child mortality	35.4	59.8	-41%	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	121.3	96.9	+25%	deaths per 100,000
Drug overdose deaths	30.1	28.6	+5%	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.

Formaldehyde18.12 per million
Benzene3.31 per million
Carbon Tetrachloride2.49 per million
Naphthalene2.01 per million

EPA Air Quality Index 2025

Monitored on 365 days: 218 good, 2 unhealthy for sensitive groups or worse. Median AQI 46, peak 112.

Regulated facilities, sites and hazards by type

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

Air permit holder (minor source)147
NPDES wastewater discharge permit112
Gas station (mapped facility)19
Brownfield property9
Major air pollution source8
TRI reporting facility5
Toxic chemical release facility (TRI)5
Public airport4
Small hazardous waste generator3
EPA air quality monitor2
Hazardous waste transporter2
Auto repair or body shop (mapped facility)1
Large hazardous waste generator1
Heliport1
Landfill (mapped facility)1
Hydroelectric plant1
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.

Bluebell Gas Plant, Roosevelt
Toxic chemical release facility (TRI). Chemicals: Formaldehyde, n-Hexane, Benzene, Toluene and 4 more. Reports carcinogens. 46,240 lbs released over 5 years.
TRI facility ID 8406WBLBLL5W555 (U.S. EPA Toxics Release Inventory)
Severity 8.1
Altamont Gas Plant-Kinder Morgan, Altamont
Toxic chemical release facility (TRI). Chemicals: n-Hexane, Toluene, Benzene, Methanol and 1 more. Reports carcinogens. 42,711 lbs released over 5 years.
TRI facility ID 8400WLTMNT1779W (U.S. EPA Toxics Release Inventory)
Severity 8.1
Multi-Chem Group Roosevelt Ut Facility, Roosevelt
Toxic chemical release facility (TRI). Chemicals: Methanol, Toluene, Xylene (mixed isomers), Ethylene glycol and 2 more. Reports carcinogens. 22,636 lbs released over 5 years.
TRI facility ID 84066BJSRV1661W (U.S. EPA Toxics Release Inventory)
Severity 7.8
Harmston Pit, Roosevelt
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead. Reports carcinogens. 256 lbs released over 5 years.
TRI facility ID 8406WRCHPM2266W (U.S. EPA Toxics Release Inventory)
Severity 6.3
Altamont Gas Plant-Kinder Morgan, Altamont
TRI reporting facility.
EPA FRS registry ID 110062625547 (U.S. EPA ECHO) Agency record
Severity 6
Bluebell Gas Plant, Roosevelt
TRI reporting facility.
EPA FRS registry ID 110002272139 (U.S. EPA ECHO) Agency record
Severity 5.9
Multi-Chem Group Roosevelt Ut Facility, Roosevelt
TRI reporting facility.
EPA FRS registry ID 110015679210 (U.S. EPA ECHO) Agency record
Severity 5.7
R. Chapman Construction Harmston Pit, Roosevelt
TRI reporting facility.
EPA FRS registry ID 110070391811 (U.S. EPA ECHO) Agency record
Severity 5.1
Kielbasa Pit, Duchesne
Toxic chemical release facility (TRI). Chemicals: Polycyclic aromatic compounds, Benzo[g,h,i]perylene. Reports carcinogens. 2 lbs released over 5 years.
TRI facility ID 8402WKLBSPHWY87 (U.S. EPA Toxics Release Inventory)
Severity 4.9
Reladyne West, Ballard
NPDES wastewater discharge permit. Penalties $340.
EPA FRS registry ID 110070548400 (U.S. EPA ECHO) Agency record
Severity 4.5
Roosevelt, Roosevelt
EPA air quality monitor.
Record ID 490130002 (U.S. EPA AirData)
Severity 4.4
Kielbasa Pit, Duchesne
TRI reporting facility.
EPA FRS registry ID 110071500417 (U.S. EPA ECHO) Agency record
Severity 4.2
Kinder Morgan Llc - Main Gas Plant, Altamont
Major air pollution source.
EPA FRS registry ID 110007185704 (U.S. EPA ECHO) Agency record
Severity 3.5
El Paso Field Services - Altamont East, Altamont
Major air pollution source.
EPA FRS registry ID 110007185731 (U.S. EPA ECHO) Agency record
Severity 3.5
Kinder Morgan Llc - West Station, Duchesne
Major air pollution source.
EPA FRS registry ID 110007185740 (U.S. EPA ECHO) Agency record
Severity 3.5
Coastal Field Services - South Station, Duchesne
Major air pollution source.
EPA FRS registry ID 110007185759 (U.S. EPA ECHO) Agency record
Severity 3.5
Wind River Resources Corp-North Hill Cs, Roosevelt
Major air pollution source.
EPA FRS registry ID 110027234990 (U.S. EPA ECHO) Agency record
Severity 3.5
Kinder Morgan Llc - Bluebell, Roosevelt
Major air pollution source.
EPA FRS registry ID 110070630372 (U.S. EPA ECHO) Agency record
Severity 3.5
Kinder Morgan Altamont Llc - Farm Compressor Station, Altamont, Ut
Major air pollution source.
EPA FRS registry ID 110071092197 (U.S. EPA ECHO) Agency record
Severity 3.5
Nydig Dfm Llc - Duchesne Data Power Station (Formerly Crusoe Energy Systems), Upalco
Major air pollution source.
EPA FRS registry ID 110071468271 (U.S. EPA ECHO) Agency record
Severity 3.5
Ubmc/ Proposed City Park, Roosevelt
Brownfield property.
EPA FRS registry ID 110071972458 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Altamont Theater, Altamont
Brownfield property.
EPA FRS registry ID 110071974356 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Napa Auto Parts, Roosevelt
Brownfield property.
EPA FRS registry ID 110071975032 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Western Hills Motel, Roosevelt
Brownfield property.
EPA FRS registry ID 110071975039 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Fort Myton, Myton
Brownfield property.
EPA FRS registry ID 110071980366 (U.S. EPA Brownfields (ACRES)) 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.

No correctional facility with an EPA record is located in this county.

Discovery / public records

Records to request for Duchesne County

Utah 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 Duchesne County, and their findings.
Utah vital statistics office
Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.
Utah health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
Utah 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.
Utah 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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