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Park County, Colorado: environmental and disease records

Cancer mortality in Park County is 108.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 356 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (137), Air permit holder (minor source) (125), Industrial wastewater discharge (71). 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: 39.1309, -105.79.

How this county ranks in Colorado

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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 Park 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	27.9	23.8	1.17x	18.6 to 41	2019-2023
Pancreas	New cases	11.9	13.9	0.86x	6.2 to 21.6	2019-2023
Leukemia	New cases	12	14.5	0.83x	5.8 to 22.6	2019-2023
All cancer	New cases	353	453.4	0.78x	316.7 to 392.7	2019-2023
All cancer	Deaths	108.3	143.2	0.76x	88.7 to 131.4	2020-2024
Lung & bronchus	New cases	27.6	51.8	0.53x	19 to 39.7	2019-2023
Lung & bronchus	Deaths	14.7	30.2	0.49x	8 to 25.5	2020-2024

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 Park County
Measure	County	U.S. median	Difference	Unit
Premature death	7,197.9	9,842.6	-27%	years of life lost before age 75 per 100,000
Life expectancy	81.5	75.3	+8%	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	97.8	96.9	+1%	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.

Formaldehyde7.29 per million
Carbon Tetrachloride2.2 per million
Acetaldehyde0.52 per million
Pahpom0.46 per million

EPA Air Quality Index 2025

Monitored on 203 days: 128 good, 2 unhealthy for sensitive groups or worse. Median AQI 48, peak 105.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit137
Air permit holder (minor source)125
Industrial wastewater discharge71
Brownfield property7
Gas station (mapped facility)7
Public airport2
Auto repair or body shop (mapped facility)2
Heliport2
EPA air quality monitor1
Landfill (mapped facility)1
Hydroelectric 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.

London Mine Extension Tunnel, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110002041460 (U.S. EPA ECHO) Agency record
Severity 6
Mountain View Waste Systems Llc, Bailey
NPDES wastewater discharge permit.
EPA FRS registry ID 110046291516 (U.S. EPA ECHO) Agency record
Severity 4.5
Z550 Mobile Asphalt Plant, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110046319872 (U.S. EPA ECHO) Agency record
Severity 4.5
Ww Clyde Portable Concrete Batch Plant 73-6006, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110046324768 (U.S. EPA ECHO) Agency record
Severity 4.5
H-255 Asphalt Plant, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110054113687 (U.S. EPA ECHO) Agency record
Severity 4.5
Mobile Asphalt Batch Plant, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110054113696 (U.S. EPA ECHO) Agency record
Severity 4.5
V-755 Portable Asphalt Plant, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110054118405 (U.S. EPA ECHO) Agency record
Severity 4.5
Bullger Basin Placer Mine, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110069347068 (U.S. EPA ECHO) Agency record
Severity 4.5
Fairplay Readymix Concrete, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110070002112 (U.S. EPA ECHO) Agency record
Severity 4.5
Snowstorm Sand And Gravel, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110070072821 (U.S. EPA ECHO) Agency record
Severity 4.5
Trout Valley Ranch, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110070072900 (U.S. EPA ECHO) Agency record
Severity 4.5
Chaparral Meadows Pit, Hartsel
NPDES wastewater discharge permit.
EPA FRS registry ID 110070097747 (U.S. EPA ECHO) Agency record
Severity 4.5
Sullivan Aggregate Pit, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110070505233 (U.S. EPA ECHO) Agency record
Severity 4.5
Camp Santa Maria Wwtf, Bailey
NPDES wastewater discharge permit.
EPA FRS registry ID 110070552639 (U.S. EPA ECHO) Agency record
Severity 4.5
Camp Alexander, Lake George
NPDES wastewater discharge permit.
EPA FRS registry ID 110070674949 (U.S. EPA ECHO) Agency record
Severity 4.5
Goldigger I And Ii, Fairplay
NPDES wastewater discharge permit.
EPA FRS registry ID 110071298328 (U.S. EPA ECHO) Agency record
Severity 4.5
Alma Town Of, Alma
NPDES wastewater discharge permit.
EPA FRS registry ID 110071541260 (U.S. EPA ECHO) Agency record
Severity 4.5
Camp Id-Ra-Ha-Je, Park County
NPDES wastewater discharge permit.
EPA FRS registry ID 110038448622 (U.S. EPA ECHO) Agency record
Severity 4.3
Will-O-Wisp Md, Bailey
NPDES wastewater discharge permit.
EPA FRS registry ID 110056003934 (U.S. EPA ECHO) Agency record
Severity 4.3
Flatiron Batch Plant At Dia, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110070054263 (U.S. EPA ECHO) Agency record
Severity 4.3
Bailey Wsd Wwtf, Bailey
NPDES wastewater discharge permit.
EPA FRS registry ID 110022552343 (U.S. EPA ECHO) Agency record
Severity 3.5
Gencor Portable Asphalt Plant, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110054118496 (U.S. EPA ECHO) Agency record
Severity 3.3
Platte Canyon School District 1 Wwtf, Park County
NPDES wastewater discharge permit.
EPA FRS registry ID 110071708978 (U.S. EPA ECHO) Agency record
Severity 3.3
Weld Re4 School District, Statewide
NPDES wastewater discharge permit.
EPA FRS registry ID 110071824461 (U.S. EPA ECHO) Agency record
Severity 3.3
Paris Mill Property, Alma
Brownfield property.
EPA FRS registry ID 110038716850 (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 Park County

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