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Carbon County, Utah: environmental and disease records

Cancer mortality in Carbon County is 158.5 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Pancreas deaths at 1.8 times the U.S. rate. Federal databases place 228 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (113), Rail grade crossing (46), Gas station (mapped facility) (20). 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: 39.6398, -110.6021.

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 Carbon County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Pancreas	Deaths	20.2	11.3	1.79xSignificant	13.1 to 30.1	2020-2024
Melanoma of the skin	New cases	40.7	23.8	1.71xSignificant	29.9 to 54.4	2019-2023
Thyroid	New cases	18.4	13	1.42x	10.9 to 29.1	2019-2023
Pancreas	New cases	19.6	13.9	1.41x	12.6 to 29.4	2019-2023
All cancer	Deaths	158.5	143.2	1.11x	136.6 to 183	2020-2024
Lung & bronchus	Deaths	32.1	30.2	1.06x	22.7 to 44.2	2020-2024
All cancer	New cases	447.1	453.4	0.99x	409.7 to 487.1	2019-2023
Bladder	New cases	17.6	18.7	0.94x	11.1 to 26.9	2019-2023
Leukemia	New cases	12.7	14.5	0.88x	7.2 to 21.2	2019-2023
Lung & bronchus	New cases	40.2	51.8	0.78x	29.9 to 53.2	2019-2023
Non-Hodgkin lymphoma	New cases	13.9	18.5	0.75x	7.7 to 23.1	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 Carbon County
Measure	County	U.S. median	Difference	Unit
Premature death	11,671.3	9,842.6	+19%	years of life lost before age 75 per 100,000
Life expectancy	72.8	75.3	-3%	years
Child mortality	68.3	59.8	+14%	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	105.4	96.9	+9%	deaths per 100,000
Drug overdose deaths	35.7	28.6	+25%	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.

Formaldehyde9.88 per million
Carbon Tetrachloride2.46 per million
Benzene0.65 per million
Acetaldehyde0.62 per million

EPA Air Quality Index 2025

Monitored on 364 days: 263 good, 2 unhealthy for sensitive groups or worse. Median AQI 44, peak 108.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit113
Rail grade crossing46
Gas station (mapped facility)20
Brownfield property16
Major air pollution source6
Toxic chemical release facility (TRI)5
Air permit holder (minor source)4
Small hazardous waste generator4
TRI reporting facility4
Auto repair or body shop (mapped facility)2
Large greenhouse gas emitter2
EPA air quality monitor1
Commercial airport1
Large hazardous waste generator1
Heliport1
Coal power plant1
Scrapyard (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.

Sunnyside Cogeneration Associates, Sunnyside
Toxic chemical release facility (TRI). Chemicals: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Lead, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Mercury and 1 more. Reports carcinogens. 356,896 lbs released over 5 years.
TRI facility ID 84539SNNYSONEPO (U.S. EPA Toxics Release Inventory)
Severity 8.8
Joy Global Mining Llc, Wellington
Toxic chemical release facility (TRI). Chemicals: Chromium, Nickel And Nickel Compounds. Reports carcinogens. 1,000 lbs released over 5 years.
TRI facility ID 8454WJYGLB1275W (U.S. EPA Toxics Release Inventory)
Severity 6.8
Bowie Resources - Skyline Mine, Scofield
NPDES wastewater discharge permit. Penalties $20,543.
EPA FRS registry ID 110008536502 (U.S. EPA ECHO) Agency record
Severity 6.8
Sunnyside Cogeneration Associates, Sunnyside
TRI reporting facility.
EPA FRS registry ID 110000470008 (U.S. EPA ECHO) Agency record
Severity 6.3
Sunnyside Cogen Associates, Sunnyside
Coal power plant.
Record ID 50951 (U.S. Energy Information Administration)
Severity 6.1
Wildcat Midstream Loadout Facility, Helper
Toxic chemical release facility (TRI). Chemicals: n-Hexane. 3,089 lbs released over 5 years.
TRI facility ID 8452WWLDCT23WES (U.S. EPA Toxics Release Inventory)
Severity 5.7
Price Ready Mix Plant, Wellington
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 29 lbs released over 5 years.
TRI facility ID 8450WPRCRD427SU (U.S. EPA Toxics Release Inventory)
Severity 5.6
Wildcat Loadout Facility, Helper
TRI reporting facility.
EPA FRS registry ID 110071285725 (U.S. EPA ECHO) Agency record
Severity 5.4
Price River Water Improve Dist, Price
NPDES wastewater discharge permit. Penalties $10,353.
EPA FRS registry ID 110020107793 (U.S. EPA ECHO) Agency record
Severity 4.8
Price Ready Mix Plant, Price
TRI reporting facility.
EPA FRS registry ID 110070219983 (U.S. EPA ECHO) Agency record
Severity 4.7
Geneva Rock Products-Helper, Helper
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens.
TRI facility ID 8452WGNVRC355CN (U.S. EPA Toxics Release Inventory)
Severity 4.5
Geneva Rock Products-Helper, Helper
TRI reporting facility.
EPA FRS registry ID 110060369550 (U.S. EPA ECHO) Agency record
Severity 4
Sunnyside Cogeneration Associates, Sunnyside
Major air pollution source.
EPA FRS registry ID 110000470008 (U.S. EPA ECHO) Agency record
Severity 3.5
Pacificorp Carbon Plant, Helper
Major air pollution source.
EPA FRS registry ID 110000607200 (U.S. EPA ECHO) Agency record
Severity 3.5
Ecdc Environmental Lc - East Carbon Landfill, East Carbon
Major air pollution source.
EPA FRS registry ID 110000911960 (U.S. EPA ECHO) Agency record
Severity 3.5
Price River Terminal, Wellington
Large hazardous waste generator.
EPA FRS registry ID 110010124436 (U.S. EPA ECHO) Agency record
Severity 3.5
Bill Barrett Corporation, Unk
Major air pollution source.
EPA FRS registry ID 110016753912 (U.S. EPA ECHO) Agency record
Severity 3.5
Bill Barrett Corporation, Price
Major air pollution source.
EPA FRS registry ID 110028006592 (U.S. EPA ECHO) Agency record
Severity 3.5
Bill Barrett Corporation, Price
Major air pollution source.
EPA FRS registry ID 110041628600 (U.S. EPA ECHO) Agency record
Severity 3.5
Helper City Old City Hall, Helper
Brownfield property.
EPA FRS registry ID 110020075657 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
East Carbon Property, East Carbon
Brownfield property.
EPA FRS registry ID 110038756799 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Wellington City Hall, Wellington
Brownfield property.
EPA FRS registry ID 110070813626 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Carbon County Sheriff Gun Range, Price
Brownfield property.
EPA FRS registry ID 110071971658 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Helper City Auditorium, Helper
Brownfield property.
EPA FRS registry ID 110071971659 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Usu Eastern-Price City, Price
Brownfield property.
EPA FRS registry ID 110071972203 (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 Carbon 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 Carbon 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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