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Summit County, Colorado: environmental and disease records

Cancer mortality in Summit County is 73.4 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 280 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (105), Industrial wastewater discharge (104), Air permit holder (minor source) (34). 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: 39.6414, -106.0035.

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 Summit 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	24	23.8	1.01x	17 to 33.2	2019-2023
Leukemia	New cases	13.3	14.5	0.92x	7.1 to 22.3	2019-2023
Non-Hodgkin lymphoma	New cases	14	18.5	0.76x	8.2 to 22.2	2019-2023
All cancer	New cases	318.2	453.4	0.7x	291 to 347.4	2019-2023
All cancer	Deaths	73.4	143.2	0.51x	58.6 to 90.7	2020-2024
Lung & bronchus	New cases	13.9	51.8	0.27x	8.6 to 21.5	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 Summit County
Measure	County	U.S. median	Difference	Unit
Premature death	4,161.6	9,842.6	-58%	years of life lost before age 75 per 100,000
Life expectancy	92.4	75.3	+23%	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	54.5	96.9	-44%	deaths per 100,000
Drug overdose deaths	18.5	28.6	-35%	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.

Formaldehyde7.35 per million
Carbon Tetrachloride2.14 per million
Acetaldehyde0.54 per million
Pahpom0.49 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit105
Industrial wastewater discharge104
Air permit holder (minor source)34
Gas station (mapped facility)18
Small hazardous waste generator3
Auto repair or body shop (mapped facility)2
Heliport2
Landfill (mapped facility)2
Hydroelectric plant2
Wastewater plant (mapped facility)2
Major air pollution source1
Brownfield property1
Dry cleaner (mapped facility)1
Large greenhouse gas emitter1
TRI reporting facility1
Toxic chemical release facility (TRI)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.

Peak Silverthorne Batch Plant, Silverthorne
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead, Polycyclic aromatic compounds. Reports carcinogens. 444 lbs released over 5 years.
TRI facility ID 8049WPKSLV28755 (U.S. EPA Toxics Release Inventory)
Severity 6.5
Frisco Sanitation District Wwtp, Frisco
NPDES wastewater discharge permit.
EPA FRS registry ID 110000730905 (U.S. EPA ECHO) Agency record
Severity 6
Iowa Hill Water Reclamation, Breckenridge
NPDES wastewater discharge permit.
EPA FRS registry ID 110010052940 (U.S. EPA ECHO) Agency record
Severity 6
Silverthorne / Dillon Jsa, Silverthorne
NPDES wastewater discharge permit.
EPA FRS registry ID 110056002926 (U.S. EPA ECHO) Agency record
Severity 5.8
Peak Silverthorne Batch Plant, Silverthorne
TRI reporting facility.
EPA FRS registry ID 110070247455 (U.S. EPA ECHO) Agency record
Severity 5
Main Street Station Breckenridge, Summit County
NPDES wastewater discharge permit.
EPA FRS registry ID 110006781964 (U.S. EPA ECHO) Agency record
Severity 4.5
Mascot Placer, Breckenridge
NPDES wastewater discharge permit.
EPA FRS registry ID 110070072760 (U.S. EPA ECHO) Agency record
Severity 4.5
Summit County Landfill, Dillon
Major air pollution source.
EPA FRS registry ID 110040882532 (U.S. EPA ECHO) Agency record
Severity 3.5
Red Hawk Lodge, Keystone
NPDES wastewater discharge permit.
EPA FRS registry ID 110055213674 (U.S. EPA ECHO) Agency record
Severity 3.5
Climax Mine, Summit County
NPDES wastewater discharge permit.
EPA FRS registry ID 110064641320 (U.S. EPA ECHO) Agency record
Severity 3.5
Shoe Basin Mine, Summit County
Brownfield property.
EPA FRS registry ID 110060751958 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Upper Blue Sanitation District, Breckenridge
NPDES wastewater discharge permit.
EPA FRS registry ID 110000736384 (U.S. EPA ECHO) Agency record
Severity 3
Summit County Snake River Wwtp, Dillon
NPDES wastewater discharge permit.
EPA FRS registry ID 110000914814 (U.S. EPA ECHO) Agency record
Severity 3
Eisenhower Tunnel Wwtf, Silverthorne
NPDES wastewater discharge permit.
EPA FRS registry ID 110010054145 (U.S. EPA ECHO) Agency record
Severity 3
Copper Mountain Consolidated Metro District, Copper Mountain
NPDES wastewater discharge permit.
EPA FRS registry ID 110039771930 (U.S. EPA ECHO) Agency record
Severity 3
Summit County Landfill, Dillon
NPDES wastewater discharge permit.
EPA FRS registry ID 110040882532 (U.S. EPA ECHO) Agency record
Severity 3
Stan Miller, Breckenridge
NPDES wastewater discharge permit.
EPA FRS registry ID 110070355612 (U.S. EPA ECHO) Agency record
Severity 3
Climax Mine, Summit County
Industrial wastewater discharge. No Violation Identified.
NPDES permit CO0000248: (U.S. EPA NPDES)
Severity 3
Copper Mountain Consolidated Metro District, Copper Mountain
Industrial wastewater discharge. No Violation Identified.
NPDES permit CO0021598: (U.S. EPA NPDES)
Severity 3
Vail Rest Area, Summit County
NPDES wastewater discharge permit.
EPA FRS registry ID 110038448882 (U.S. EPA ECHO) Agency record
Severity 2.8
Foote'S Rest, Frisco
NPDES wastewater discharge permit.
EPA FRS registry ID 110070238830 (U.S. EPA ECHO) Agency record
Severity 2.8
Wayne Bristol Wtp, Summit County
Industrial wastewater discharge. No Violation Identified.
NPDES permit COG641067: (U.S. EPA NPDES)
Severity 2.5
Frisco Town Of, Frisco
NPDES wastewater discharge permit.
EPA FRS registry ID 110006781759 (U.S. EPA ECHO) Agency record
Severity 2.5
Summit County Landfill, Dillon
Large greenhouse gas emitter.
EPA FRS registry ID 110040882532 (U.S. EPA ECHO) Agency record
Severity 2.5
Peak 9 Water Plant, Breckenridge
Industrial wastewater discharge. No Violation Identified.
NPDES permit COG641181: (U.S. EPA NPDES)
Severity 2.5

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 Summit 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 Summit 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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