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Cheyenne County, Colorado: environmental and disease records

Cancer mortality in Cheyenne County is 174.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 197 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (127), Rail grade crossing (27), Industrial wastewater discharge (17). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 20 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: 38.8243, -102.6046.

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 Cheyenne County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	Deaths	174.6	143.2	1.22x	107.1 to 274.4	2020-2024
All cancer	New cases	497.2	453.4	1.1x	370.6 to 656.4	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 Cheyenne County
Measure	County	U.S. median	Difference	Unit
Premature death	12,533.6	9,842.6	+27%	years of life lost before age 75 per 100,000
Life expectancy	73.8	75.3	-2%	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	n/a	96.9	n/a	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: 20 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde10.85 per million
Carbon Tetrachloride2.6 per million
Acetaldehyde0.69 per million
Benzene0.49 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Air permit holder (minor source)127
Rail grade crossing27
Industrial wastewater discharge17
NPDES wastewater discharge permit12
Landfill (mapped facility)4
Public airport2
Brownfield property2
Scrapyard (mapped facility)2
Major air pollution source1
Gas station (mapped facility)1
Wind power plant1
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.

Duke Energy - Ladder Creek Helium Plant, Cheyenne Wells
Major air pollution source. Penalties $35,000.
EPA FRS registry ID 110022510754 (U.S. EPA ECHO) Agency record
Severity 7.5
Mull Drilling Co Inc Sorrento Field, Kit Carson
Air permit holder (minor source). Penalties $8,750.
EPA FRS registry ID 110001431308 (U.S. EPA ECHO) Agency record
Severity 5
Kit Carson Wwtf, Kit Carson
NPDES wastewater discharge permit.
EPA FRS registry ID 110064619667 (U.S. EPA ECHO) Agency record
Severity 4.5
Cheyenne Wells Sanitation Dist, Cheyenne Wells
NPDES wastewater discharge permit.
EPA FRS registry ID 110006782311 (U.S. EPA ECHO) Agency record
Severity 3.5
Paxson Building Property, Kit Carson
Brownfield property.
EPA FRS registry ID 110041620314 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
402 Main Street, Kit Carson
Brownfield property.
EPA FRS registry ID 110071974415 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Firstview Landfill, Firstview
NPDES wastewater discharge permit.
EPA FRS registry ID 110071962608 (U.S. EPA ECHO) Agency record
Severity 2.5
Dcp Midstream - W Arapahoe Cs, Cheyenne Wells
Air permit holder (minor source). Penalties $42,000.
EPA FRS registry ID 110007353336 (U.S. EPA ECHO) Agency record
Severity 2.3
Mull Drilling - Nwau #2 Tank Battery, Cheyenne Wells
Air permit holder (minor source). Penalties $10,500.
EPA FRS registry ID 110017379576 (U.S. EPA ECHO) Agency record
Severity 2.3
Mull Drilling-Apc Doug Crude Oil Tank, Cheyenne Wells 11.9 Mi. S Of
Air permit holder (minor source). Penalties $10,500.
EPA FRS registry ID 110064744424 (U.S. EPA ECHO) Agency record
Severity 2.3
Mattics Pit, Kit Carson
NPDES wastewater discharge permit.
EPA FRS registry ID 110071362380 (U.S. EPA ECHO) Agency record
Severity 2.3
Denver Expansion Project, Cheyenne Wells
NPDES wastewater discharge permit.
EPA FRS registry ID 110072082602 (U.S. EPA ECHO) Agency record
Severity 2.3
Kit Carson Wwtf, Kit Carson
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit CO0048858: (U.S. EPA NPDES)
Severity 2.1
Citation Oil - Bledsoe (1,5,6&10) Tb, Wild Horse Area
Air permit holder (minor source). Penalties $208,250.
EPA FRS registry ID 110071767568 (U.S. EPA ECHO) Agency record
Severity 2
Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1030783819 (OpenStreetMap contributors) Agency record
Severity 2
Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1291669158 (OpenStreetMap contributors) Agency record
Severity 2
Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1309205150 (OpenStreetMap contributors) Agency record
Severity 2
Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1378269278 (OpenStreetMap contributors) Agency record
Severity 2
Town Of Cheyenne Wells
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/283023117 (OpenStreetMap contributors) Agency record
Severity 2
Citation Oil - Arapahoe Unit #178, Kit Carson
Air permit holder (minor source).
EPA FRS registry ID 110001718197 (U.S. EPA ECHO) Agency record
Severity 1.5
Anadarko E&P Co - Bledsoe 3-12, Wild Horse
Air permit holder (minor source).
EPA FRS registry ID 110007075182 (U.S. EPA ECHO) Agency record
Severity 1.5
Prosper Ranch Feedlot, Kit Carson
NPDES wastewater discharge permit.
EPA FRS registry ID 110043491628 (U.S. EPA ECHO) Agency record
Severity 1.5
Apc Baughman Unit 1 35, Brandon
NPDES wastewater discharge permit.
EPA FRS registry ID 110064738119 (U.S. EPA ECHO) Agency record
Severity 1.5
Mccoy Alc 1447 #1-23, Kit Carson
NPDES wastewater discharge permit.
EPA FRS registry ID 110070672672 (U.S. EPA ECHO) Agency record
Severity 1.5
Mccoy Alc 1548 #1-11, Kit Carson
NPDES wastewater discharge permit.
EPA FRS registry ID 110070674273 (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 Cheyenne 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 Cheyenne 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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