WY / county FIPS 56023 / county research

Lincoln County, Wyoming: environmental and disease records

Cancer mortality in Lincoln County is 118.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 186 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (59), NPDES wastewater discharge permit (57), Air permit holder (minor source) (15). 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: 42.4244, -110.795.

How this county ranks in Wyoming

View on the heat map Scan an address in this county

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 Lincoln 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	32	23.8	1.34x	22.4 to 44.7	2019-2023
Thyroid	New cases	17.4	13	1.34x	9.8 to 28.4	2019-2023
Pancreas	Deaths	12.9	11.3	1.14x	7.4 to 21.2	2020-2024
Leukemia	New cases	14.2	14.5	0.98x	8.1 to 23.4	2019-2023
All cancer	Deaths	118.3	143.2	0.83x	99.5 to 139.8	2020-2024
Non-Hodgkin lymphoma	New cases	14.7	18.5	0.79x	8.6 to 23.7	2019-2023
All cancer	New cases	359	453.4	0.79x	325.4 to 395.2	2019-2023
Kidney & renal pelvis	New cases	13.6	17.9	0.76x	7.5 to 22.8	2019-2023
Bladder	New cases	13.1	18.7	0.7x	7.8 to 21.3	2019-2023
Lung & bronchus	Deaths	20	30.2	0.66x	12.7 to 30.1	2020-2024
Lung & bronchus	New cases	24	51.8	0.46x	16.4 to 34.3	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 Lincoln County
Measure	County	U.S. median	Difference	Unit
Premature death	7,434.5	9,842.6	-24%	years of life lost before age 75 per 100,000
Life expectancy	79.1	75.3	+5%	years
Child mortality	79.7	59.8	+33%	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	102.7	96.9	+6%	deaths per 100,000
Drug overdose deaths	19.7	28.6	-31%	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.

Formaldehyde8.81 per million
Carbon Tetrachloride2.42 per million
Acetaldehyde0.72 per million
Pahpom0.51 per million

EPA Air Quality Index 2025

Monitored on 365 days: 361 good, 0 unhealthy for sensitive groups or worse. Median AQI 10, peak 77.

Regulated facilities, sites and hazards by type

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

Rail grade crossing59
NPDES wastewater discharge permit57
Air permit holder (minor source)15
Public airport8
Small hazardous waste generator8
EPA air quality monitor7
Major air pollution source6
Brownfield property6
Hazardous waste transporter5
Hydroelectric plant3
TRI reporting facility3
Toxic chemical release facility (TRI)3
Commercial airport2
Large hazardous waste generator1
Heliport1
Coal power plant1
Gas power plant1

Highest-severity records

The 25 records with the highest Envyrofax severity in the county, with the agency identifier to cite in a records request.

Pacificorp - Naughton Plant, Kemmerer
TRI reporting facility.
EPA FRS registry ID 110042054013 (U.S. EPA ECHO) Agency record
Severity 9.6
Pacificorp Naughton Plant, Kemmerer
Toxic chemical release facility (TRI). Chemicals: Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese And Manganese Compounds, Manganese compounds and 4 more. Reports carcinogens. 2,430,754 lbs released over 5 years.
TRI facility ID 83101NGHTN5MISO (U.S. EPA Toxics Release Inventory)
Severity 9.4
Opal Gas Plant, Opal
Toxic chemical release facility (TRI). Chemicals: n-Hexane, Toluene, Xylene (mixed isomers), Benzene and 4 more. Reports carcinogens. 75,343 lbs released over 5 years.
TRI facility ID 8312WPLGSP1MILE (U.S. EPA Toxics Release Inventory)
Severity 8.2
Pioneer Cryogenic Plant, Opal
Toxic chemical release facility (TRI). Chemicals: n-Hexane, Benzene, Toluene, Cyclohexane and 1 more. Reports carcinogens. 19,906 lbs released over 5 years.
TRI facility ID 8312WPNRCR1241W (U.S. EPA Toxics Release Inventory)
Severity 7.8
Naughton, Kemmerer
Coal power plant.
Record ID 4162 (U.S. Energy Information Administration)
Severity 6.6
Pacificorp - Naughton Plant, Kemmerer
Major air pollution source.
EPA FRS registry ID 110042054013 (U.S. EPA ECHO) Agency record
Severity 6.5
Opal Gas Plant, Opal
TRI reporting facility.
EPA FRS registry ID 110042050883 (U.S. EPA ECHO) Agency record
Severity 6
Pacificorp - Naughton Plant, Kemmerer
NPDES wastewater discharge permit.
EPA FRS registry ID 110042054013 (U.S. EPA ECHO) Agency record
Severity 6
Pioneer Cryogenic Plant, Opal
TRI reporting facility.
EPA FRS registry ID 110033023172 (U.S. EPA ECHO) Agency record
Severity 5.9
Pacificorp - Naughton Plant, Kemmerer
Small hazardous waste generator.
EPA FRS registry ID 110042054013 (U.S. EPA ECHO) Agency record
Severity 4.5
Cokeville Wastewater Treatment Plant, Cokeville
NPDES wastewater discharge permit.
EPA FRS registry ID 110055197512 (U.S. EPA ECHO) Agency record
Severity 4.5
Strawberry Pit (Prev.Lampe Bros. Ready Mix Inc), Thayne
NPDES wastewater discharge permit.
EPA FRS registry ID 110055165716 (U.S. EPA ECHO) Agency record
Severity 3.8
Labarge Wastewater Lagoon, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110055197692 (U.S. EPA ECHO) Agency record
Severity 3.8
Pioneer Cryogenic Gas Plant, Opal
NPDES wastewater discharge permit.
EPA FRS registry ID 110055205013 (U.S. EPA ECHO) Agency record
Severity 3.8
Astaris Llc Kemmerer Plant, Kemmerer
Major air pollution source.
EPA FRS registry ID 110000600403 (U.S. EPA ECHO) Agency record
Severity 3.5
Kemmerer Compressor Station (Northwest Pipeline), Kemmerer
Major air pollution source.
EPA FRS registry ID 110007335160 (U.S. EPA ECHO) Agency record
Severity 3.5
Exxonmobil Production - Shute Creek Facility, Kemmerer
Major air pollution source.
EPA FRS registry ID 110007900806 (U.S. EPA ECHO) Agency record
Severity 3.5
King Compressor Station (Colorado Interstate Gas), Lincoln County
Major air pollution source.
EPA FRS registry ID 110031536470 (U.S. EPA ECHO) Agency record
Severity 3.5
Opal Gas Plant, Opal
Major air pollution source.
EPA FRS registry ID 110042050883 (U.S. EPA ECHO) Agency record
Severity 3.5
Kemmerer Wastewater Treatment, Kemmerer
NPDES wastewater discharge permit.
EPA FRS registry ID 110055177847 (U.S. EPA ECHO) Agency record
Severity 3.5
Thayne Wastewater Lagoon, Thayne
NPDES wastewater discharge permit.
EPA FRS registry ID 110055194891 (U.S. EPA ECHO) Agency record
Severity 3.3
Kemmerer Ready Mix Plant, Kemmerer
NPDES wastewater discharge permit.
EPA FRS registry ID 110055373368 (U.S. EPA ECHO) Agency record
Severity 3.3
Shute Creek Facility, Kemmerer
Gas power plant.
Record ID 56312 (U.S. Energy Information Administration)
Severity 3.1
Old Power Plant (A.K.A. Lincoln Service Center), Kemmerer
Brownfield property.
EPA FRS registry ID 110039557208 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Star Valley Ranch First Response Center Property, Town Of Star Valley Ranch
Brownfield property.
EPA FRS registry ID 110071970663 (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 Lincoln County

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

Scan an address in Lincoln County View on the heat map All Wyoming counties