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Routt County, Colorado: environmental and disease records

Cancer mortality in Routt County is 89.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 561 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (207), NPDES wastewater discharge permit (144), Rail grade crossing (115). 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: 40.4609, -107.0437.

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 Routt 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	37.2	23.8	1.56xSignificant	28.2 to 48.5	2019-2023
Leukemia	New cases	17.6	14.5	1.21x	11.5 to 26.1	2019-2023
Pancreas	Deaths	12.3	11.3	1.09x	7.1 to 20.1	2020-2024
Pancreas	New cases	14.6	13.9	1.05x	8.9 to 22.9	2019-2023
Non-Hodgkin lymphoma	New cases	19.2	18.5	1.04x	12.7 to 28.1	2019-2023
All cancer	New cases	429	453.4	0.95x	396.3 to 464	2019-2023
Kidney & renal pelvis	New cases	15.9	17.9	0.89x	9.6 to 24.9	2019-2023
Bladder	New cases	14.3	18.7	0.76x	8.7 to 22.4	2019-2023
All cancer	Deaths	89.3	143.2	0.62x	74.2 to 106.6	2020-2024
Lung & bronchus	New cases	25.6	51.8	0.49x	18.1 to 35.4	2019-2023
Lung & bronchus	Deaths	13.6	30.2	0.45x	8.6 to 21	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 Routt County
Measure	County	U.S. median	Difference	Unit
Premature death	5,044.8	9,842.6	-49%	years of life lost before age 75 per 100,000
Life expectancy	83.3	75.3	+11%	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	75.6	96.9	-22%	deaths per 100,000
Drug overdose deaths	15.9	28.6	-45%	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.

Formaldehyde12.66 per million
Carbon Tetrachloride2.33 per million
Naphthalene2.3 per million
Pahpom1.32 per million

EPA Air Quality Index 2025

Monitored on 365 days: 342 good, 0 unhealthy for sensitive groups or worse. Median AQI 22, peak 87.

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge207
NPDES wastewater discharge permit144
Rail grade crossing115
Air permit holder (minor source)60
Gas station (mapped facility)12
Heliport4
Public airport3
Small hazardous waste generator3
Major air pollution source2
Commercial airport2
Scrapyard (mapped facility)2
EPA air quality monitor1
Brownfield property1
Dry cleaner (mapped facility)1
Coal power plant1
TRI reporting facility1
Toxic chemical release facility (TRI)1
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.

Public Service Co Of Colorado Hayden Station, Hayden
Toxic chemical release facility (TRI). Chemicals: Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese compounds, Manganese And Manganese Compounds and 4 more. Reports carcinogens. 4,028,851 lbs released over 5 years.
TRI facility ID 81639PBLCS12795 (U.S. EPA Toxics Release Inventory)
Severity 9.6
Public Service Co Of Colorado Hayden Station, Hayden
TRI reporting facility. Penalties $8,750.
EPA FRS registry ID 110012355281 (U.S. EPA ECHO) Agency record
Severity 7.7
Twin Landfill Corp. - Milner Landfill, Steamboat Springs 8.1 Mi. W Of
Major air pollution source. Penalties $7,000.
EPA FRS registry ID 110071722847 (U.S. EPA ECHO) Agency record
Severity 7.5
Hayden, Hayden
Coal power plant.
Record ID 525 (U.S. Energy Information Administration)
Severity 6.4
Twentymile Coal Company, Oak Creek
NPDES wastewater discharge permit.
EPA FRS registry ID 110000873671 (U.S. EPA ECHO) Agency record
Severity 6
Sage Creek Mine Complex, Hayden
NPDES wastewater discharge permit.
EPA FRS registry ID 110064612272 (U.S. EPA ECHO) Agency record
Severity 6
Steamboat Springs Wwtp, Steamboat Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110055978811 (U.S. EPA ECHO) Agency record
Severity 5.8
Yampa Valley, Hayden
Commercial airport. O.
Record ID HDN (FAA / U.S. DOT)
Severity 5
Hogue River Pit, Routt County
NPDES wastewater discharge permit.
EPA FRS registry ID 110006782605 (U.S. EPA ECHO) Agency record
Severity 4.5
Yampa Town Of-Treatment For Inf Gal Yampa River, Yampa
NPDES wastewater discharge permit.
EPA FRS registry ID 110010053814 (U.S. EPA ECHO) Agency record
Severity 4.5
Public Service Co Of Colorado Hayden Station, Hayden
Major air pollution source. Penalties $8,750.
EPA FRS registry ID 110012355281 (U.S. EPA ECHO) Agency record
Severity 4.5
Yampa Valley Regional Airport, Hayden
NPDES wastewater discharge permit.
EPA FRS registry ID 110017779983 (U.S. EPA ECHO) Agency record
Severity 4.5
Steamboat Springs City Of, Steamboat Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110044271846 (U.S. EPA ECHO) Agency record
Severity 4.5
Milner Wood Yard, Milner
NPDES wastewater discharge permit.
EPA FRS registry ID 110046328915 (U.S. EPA ECHO) Agency record
Severity 4.5
Milner Landfill, Milner
NPDES wastewater discharge permit.
EPA FRS registry ID 110054139473 (U.S. EPA ECHO) Agency record
Severity 4.5
Big Red Park Gravel Pit, Columbine
NPDES wastewater discharge permit.
EPA FRS registry ID 110064723544 (U.S. EPA ECHO) Agency record
Severity 4.5
Timbers Wsd Wwtf, Steamboat Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110070030930 (U.S. EPA ECHO) Agency record
Severity 4.5
Fetcher Vale Pit, Clark
NPDES wastewater discharge permit.
EPA FRS registry ID 110070045312 (U.S. EPA ECHO) Agency record
Severity 4.5
Mccoy Quarry, Mccoy
NPDES wastewater discharge permit.
EPA FRS registry ID 110070063514 (U.S. EPA ECHO) Agency record
Severity 4.5
Funk Gravel Pit, Hayden
NPDES wastewater discharge permit.
EPA FRS registry ID 110070063546 (U.S. EPA ECHO) Agency record
Severity 4.5
Atlantic Aviation, Hayden
NPDES wastewater discharge permit.
EPA FRS registry ID 110070600958 (U.S. EPA ECHO) Agency record
Severity 4.5
Oak Creek Town Of, Oak Creek
NPDES wastewater discharge permit.
EPA FRS registry ID 110071278822 (U.S. EPA ECHO) Agency record
Severity 4.5
Seneca Mine Complex, Hayden
NPDES wastewater discharge permit.
EPA FRS registry ID 110064608651 (U.S. EPA ECHO) Agency record
Severity 4.3
Steamboat Mountain School Wwtf, Steamboat Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071539306 (U.S. EPA ECHO) Agency record
Severity 4.3
Twentymile Coal Company, Oak Creek
Air permit holder (minor source).
EPA FRS registry ID 110000873671 (U.S. EPA ECHO) Agency record
Severity 4

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 Routt 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 Routt 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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