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Hot Springs County, Wyoming: environmental and disease records

Cancer mortality in Hot Springs County is 176.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 83 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (39), Rail grade crossing (22), Air permit holder (minor source) (9). 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: 43.7701, -108.6019.

How this county ranks in Wyoming

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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 Hot Springs County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	39.3	30.2	1.3x	24.2 to 65.6	2020-2024
All cancer	Deaths	176.3	143.2	1.23x	138.3 to 224.7	2020-2024
All cancer	New cases	370.9	453.4	0.82x	308.8 to 444	2019-2023
Lung & bronchus	New cases	41.9	51.8	0.81x	25.8 to 69.5	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 Hot Springs County
Measure	County	U.S. median	Difference	Unit
Premature death	11,503	9,842.6	+17%	years of life lost before age 75 per 100,000
Life expectancy	73	75.3	-3%	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	141.7	96.9	+46%	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.

Formaldehyde7.96 per million
Carbon Tetrachloride2.58 per million
Acetaldehyde0.61 per million
Pahpom0.54 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit39
Rail grade crossing22
Air permit holder (minor source)9
Brownfield property4
Hazardous waste transporter3
Gas station (mapped facility)2
Wastewater plant (mapped facility)2
Commercial airport1
Small hazardous waste generator1

Highest-severity records

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

Thermopolis Wwtf, Thermopolis
NPDES wastewater discharge permit.
EPA FRS registry ID 110055171521 (U.S. EPA ECHO) Agency record
Severity 4.8
Wagonhound Pit, Thermopolis
NPDES wastewater discharge permit.
EPA FRS registry ID 110055174341 (U.S. EPA ECHO) Agency record
Severity 4.5
Sand Draw Pit, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055174350 (U.S. EPA ECHO) Agency record
Severity 4.5
Brown Pit, Thermopolis
NPDES wastewater discharge permit.
EPA FRS registry ID 110055182289 (U.S. EPA ECHO) Agency record
Severity 4.5
Kirby Pit #2, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110064619024 (U.S. EPA ECHO) Agency record
Severity 4.5
Wolf Creek 8, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110064619042 (U.S. EPA ECHO) Agency record
Severity 4.5
West Bridger Creek Washout Project, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055191894 (U.S. EPA ECHO) Agency record
Severity 3.5
Old County Airport, Thermopolis
Brownfield property.
EPA FRS registry ID 110070385506 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
518 Arapaho Street, Thermopolis
Brownfield property.
EPA FRS registry ID 110072135794 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
530 Arapaho, Thermopolis
Brownfield property.
EPA FRS registry ID 110072135813 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
124 N. 5th St., Thermopolis
Brownfield property.
EPA FRS registry ID 110072197450 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Grass Creek Coal Mine, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110055172263 (U.S. EPA ECHO) Agency record
Severity 3
Wagonhound Field, Christensen #1 Lease (2022), (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071408211 (U.S. EPA ECHO) Agency record
Severity 2.5
Lake Creek Tensleep Unit Battery #1, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055171111 (U.S. EPA ECHO) Agency record
Severity 2.3
Hot Springs County, Thermopolis
Commercial airport. O.
Record ID HSG (FAA / U.S. DOT)
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/12917832902 (OpenStreetMap contributors) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1428898614 (OpenStreetMap contributors) Agency record
Severity 2
Little Grass Creek Unit Tank Battery #1, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110055163674 (U.S. EPA ECHO) Agency record
Severity 1.8
Black Mountain Unit Battery, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055170933 (U.S. EPA ECHO) Agency record
Severity 1.8
Brown Pit (Lqd Et1727), (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055196791 (U.S. EPA ECHO) Agency record
Severity 1.8
Kirby Creek Oil Field, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110055373199 (U.S. EPA ECHO) Agency record
Severity 1.8
Owl Creek Pit, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071658787 (U.S. EPA ECHO) Agency record
Severity 1.8
Thermopolis, Town Of, Thermopolis
NPDES wastewater discharge permit.
EPA FRS registry ID 110006684463 (U.S. EPA ECHO) Agency record
Severity 1.5
City Shops, Parks, And Animal Control Buildings, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110055165039 (U.S. EPA ECHO) Agency record
Severity 1.5
Road & Bridge Shop & Maintenance Facility, Thermopolis
NPDES wastewater discharge permit.
EPA FRS registry ID 110055165119 (U.S. EPA ECHO) Agency record
Severity 1.5

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 Hot Springs 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 Hot Springs 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.

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