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Dolores County, Colorado: environmental and disease records

Cancer mortality in Dolores County is 88.1 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 36 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (14), Industrial wastewater discharge (8), NPDES wastewater discharge permit (6). 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: 37.6912, -108.506.

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 Dolores County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	New cases	285.8	453.4	0.63x	213 to 380.4	2019-2023
All cancer	Deaths	88.1	143.2	0.62x	53.6 to 144.2	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 Dolores County
Measure	County	U.S. median	Difference	Unit
Premature death	7,029.4	9,842.6	-29%	years of life lost before age 75 per 100,000
Life expectancy	78.5	75.3	+4%	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	99.3	96.9	+2%	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.

Formaldehyde8.48 per million
Carbon Tetrachloride2.34 per million
Acetaldehyde0.5 per million
Pahpom0.31 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Air permit holder (minor source)14
Industrial wastewater discharge8
NPDES wastewater discharge permit6
Brownfield property3
Gas station (mapped facility)3
Public airport1
Heliport1

Highest-severity records

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

Dove Creek Wwtf, Dolores County
NPDES wastewater discharge permit.
EPA FRS registry ID 110037940832 (U.S. EPA ECHO) Agency record
Severity 4.5
Dove Creek Town Of-Dove Creek Swtp01, Dove Creek
NPDES wastewater discharge permit.
EPA FRS registry ID 110009127925 (U.S. EPA ECHO) Agency record
Severity 3.5
Rico Light Industrial Park And County Maintenance, Rico
Brownfield property.
EPA FRS registry ID 110038691840 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
County Maintenance Barn, Rico
Brownfield property.
EPA FRS registry ID 110038741699 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
North Rico Light Industrial Park, Rico
Brownfield property.
EPA FRS registry ID 110038741706 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Dove Creek Wwtf, Dolores County
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit COG589079: (U.S. EPA NPDES)
Severity 2.8
Rico Water System Dolores River Crossing, Rico
NPDES wastewater discharge permit.
EPA FRS registry ID 110072162876 (U.S. EPA ECHO) Agency record
Severity 2
Dove Creek, Dove Creek
Public airport. O.
Record ID 8V6 (FAA / U.S. DOT)
Severity 2
Dolores Canyon Solar Photovoltaic Project, Cahone
NPDES wastewater discharge permit.
EPA FRS registry ID 110071728339 (U.S. EPA ECHO) Agency record
Severity 1.5
Rico Atlantic Richfield Owned Property Remediation, Rico
NPDES wastewater discharge permit.
EPA FRS registry ID 110071865962 (U.S. EPA ECHO) Agency record
Severity 1.5
Rico Town Site Soils Vcup Project, Rico
NPDES wastewater discharge permit.
EPA FRS registry ID 110071879912 (U.S. EPA ECHO) Agency record
Severity 1.5
Seeley Oil Co - Spargo #1-36, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110001428278 (U.S. EPA ECHO) Agency record
Severity 1
Mid-America Pipeline Co Dove Cr Sta, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110001720638 (U.S. EPA ECHO) Agency record
Severity 1
Seeley Oil Co - Island Butte A, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110006554558 (U.S. EPA ECHO) Agency record
Severity 1
Seeley Oil Co - Island Butte #3, Dove Creek 14.4 Mi. S Of
Air permit holder (minor source).
EPA FRS registry ID 110010308531 (U.S. EPA ECHO) Agency record
Severity 1
Encana - Mcintyre Canyon 17-21, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110014398366 (U.S. EPA ECHO) Agency record
Severity 1
Seeley Oil Co - Spargo (486&488), Dove Creek 12.7 Mi. Sw Of
Air permit holder (minor source).
EPA FRS registry ID 110017379371 (U.S. EPA ECHO) Agency record
Severity 1
Seeley Oil Co - Spargo Se #1, Dove Creek 13.5 Mi. Sw Of
Air permit holder (minor source).
EPA FRS registry ID 110017379406 (U.S. EPA ECHO) Agency record
Severity 1
Ebberts Construction, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110021169028 (U.S. EPA ECHO) Agency record
Severity 1
Seeley Oil Co - Spargo No 2, Dove Creek 13.2 Mi. Sw Of
Air permit holder (minor source).
EPA FRS registry ID 110033132624 (U.S. EPA ECHO) Agency record
Severity 1
Bill Barrett Corporation, Cahone
Air permit holder (minor source).
EPA FRS registry ID 110039601179 (U.S. EPA ECHO) Agency record
Severity 1
Bill Barrett Corporation, Cahone
Air permit holder (minor source).
EPA FRS registry ID 110039602908 (U.S. EPA ECHO) Agency record
Severity 1
Kinder Morgan - Doe Canyon Dehy, Cahone
Air permit holder (minor source).
EPA FRS registry ID 110044301252 (U.S. EPA ECHO) Agency record
Severity 1
Colo Dept Of Transportation #5010, Dolores Area
Air permit holder (minor source).
EPA FRS registry ID 110064129759 (U.S. EPA ECHO) Agency record
Severity 1
Adobe Milling Co Inc, Dove Creek
Air permit holder (minor source).
EPA FRS registry ID 110064305746 (U.S. EPA ECHO) Agency record
Severity 1

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 Dolores 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 Dolores 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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