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Glacier County, Montana: environmental and disease records

Cancer mortality in Glacier County is 163.7 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 164 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (60), Brownfield property (44), Rail grade crossing (30). 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: 48.6545, -112.966.

How this county ranks in Montana

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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 Glacier County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Kidney & renal pelvis	New cases	33.3	17.9	1.86xSignificant	20.6 to 50.8	2019-2023
All cancer	Deaths	163.7	143.2	1.14x	134.4 to 197.5	2020-2024
Lung & bronchus	New cases	53.7	51.8	1.04x	37.4 to 74.6	2019-2023
All cancer	New cases	450.1	453.4	0.99x	400 to 504.7	2019-2023
Lung & bronchus	Deaths	29.2	30.2	0.97x	17.8 to 45.3	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 Glacier County
Measure	County	U.S. median	Difference	Unit
Premature death	21,840.2	9,842.6	+122%	years of life lost before age 75 per 100,000
Life expectancy	66.9	75.3	-11%	years
Child mortality	107.9	59.8	+81%	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	141.5	96.9	+46%	deaths per 100,000
Drug overdose deaths	29.2	28.6	+2%	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.

Formaldehyde8.52 per million
Carbon Tetrachloride2.65 per million
Acetaldehyde0.99 per million
Pahpom0.61 per million

EPA Air Quality Index 2025

Monitored on 351 days: 322 good, 3 unhealthy for sensitive groups or worse. Median AQI 23, peak 117.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit60
Brownfield property44
Rail grade crossing30
Gas station (mapped facility)13
Air permit holder (minor source)4
Wastewater plant (mapped facility)2
Major air pollution source1
EPA air quality monitor1
Public airport1
Commercial airport1
Large hazardous waste generator1
Small hazardous waste generator1
Industrial wastewater discharge1
Wind power plant1
Scrapyard (mapped facility)1
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.

Us Cbp Piegan Port Of Entry, Babb
TRI reporting facility.
EPA FRS registry ID 110060257868 (U.S. EPA ECHO) Agency record
Severity 5.8
Browning Lagoon, Browning
NPDES wastewater discharge permit. Penalties $40,000.
EPA FRS registry ID 110028111497 (U.S. EPA ECHO) Agency record
Severity 5.5
Us Cbp Piegan Port Of Entry #Mt0001, Babb
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens.
TRI facility ID 5941WPGNPR4999H (U.S. EPA Toxics Release Inventory)
Severity 4.5
City Of Cut Bank Wwtf, Cut Bank
NPDES wastewater discharge permit.
EPA FRS registry ID 110000734046 (U.S. EPA ECHO) Agency record
Severity 4.3
Cut Bank, City Of (Wtp), Cut Bank
NPDES wastewater discharge permit. Penalties $1,010.
EPA FRS registry ID 110028118579 (U.S. EPA ECHO) Agency record
Severity 4.3
Two Medicine Water Co., Browning
NPDES wastewater discharge permit.
EPA FRS registry ID 110032595494 (U.S. EPA ECHO) Agency record
Severity 4.3
Horizon Colony Cafo, Cut Bank
NPDES wastewater discharge permit.
EPA FRS registry ID 110064418839 (U.S. EPA ECHO) Agency record
Severity 3.8
Cut Bank
EPA air quality monitor.
Record ID 300350022 (U.S. EPA AirData)
Severity 3.6
Flying J Transportation Inc, Cut Bank
NPDES wastewater discharge permit.
EPA FRS registry ID 110001148099 (U.S. EPA ECHO) Agency record
Severity 3.5
Northwestern Energy Mainline #1, Cut Bank
Major air pollution source.
EPA FRS registry ID 110007375526 (U.S. EPA ECHO) Agency record
Severity 3.5
Starr School Wastewater Treatment Lagoon, Browning
NPDES wastewater discharge permit. Penalties $8,790.
EPA FRS registry ID 110070029558 (U.S. EPA ECHO) Agency record
Severity 3.5
Former Evans Chevron, Browning
Brownfield property.
EPA FRS registry ID 110020290996 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Osborne Wrecking And Towing, Cut Bank
Brownfield property.
EPA FRS registry ID 110038691877 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Blackfeet Pencil Factory, Browning
Brownfield property.
EPA FRS registry ID 110038744561 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Hidden Lake, Browning
Brownfield property.
EPA FRS registry ID 110038744570 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Willow Creek Cemetery, Browning
Brownfield property.
EPA FRS registry ID 110038744589 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Sharp Lake, Browning
Brownfield property.
EPA FRS registry ID 110038744598 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
St. Michael'S Cemetery, Browning
Brownfield property.
EPA FRS registry ID 110038747087 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
No Name Lake, Browning
Brownfield property.
EPA FRS registry ID 110038747096 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Old Browning Landfill, Browning
Brownfield property.
EPA FRS registry ID 110038747103 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Cemetery Lake, Browning
Brownfield property.
EPA FRS registry ID 110038755950 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Kipco Building, Browning
Brownfield property.
EPA FRS registry ID 110039062126 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Camp 9 Facility, Babb
Brownfield property.
EPA FRS registry ID 110039063571 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Cut Bank Auto Body, Cut Bank
Brownfield property.
EPA FRS registry ID 110045549992 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Glacier Hotel, Cut Bank
Brownfield property.
EPA FRS registry ID 110070261951 (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 Glacier County

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