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Granite County, Montana: environmental and disease records

Cancer mortality in Granite County is 89.5 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 108 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (52), NPDES wastewater discharge permit (44), Public airport (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: 46.3859, -113.4194.

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 Granite County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	New cases	372.3	453.4	0.82x	295.8 to 465.9	2019-2023
All cancer	Deaths	89.5	143.2	0.63x	58.7 to 136.3	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 Granite County
Measure	County	U.S. median	Difference	Unit
Premature death	10,207.5	9,842.6	+4%	years of life lost before age 75 per 100,000
Life expectancy	79.9	75.3	+6%	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	135.9	96.9	+40%	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.

Formaldehyde8.36 per million
Carbon Tetrachloride2.51 per million
Acetaldehyde1.07 per million
Pahpom0.74 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing52
NPDES wastewater discharge permit44
Public airport6
Gas station (mapped facility)3
Auto repair or body shop (mapped facility)1
Heliport1
Hydroelectric plant1

Highest-severity records

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

Contact Mining Co, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110013342800 (U.S. EPA ECHO) Agency record
Severity 4.5
Sugar Loaf Wool Carding Mill, Hall
NPDES wastewater discharge permit.
EPA FRS registry ID 110014390499 (U.S. EPA ECHO) Agency record
Severity 4.5
Asarco - Black Pine Mine, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110007110438 (U.S. EPA ECHO) Agency record
Severity 3.5
Sapphire Ranch Mine, Philipsburg
NPDES wastewater discharge permit. Penalties $47,600.
EPA FRS registry ID 110070793562 (U.S. EPA ECHO) Agency record
Severity 3.5
Town Of Philipsburg Wwtp, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110011049622 (U.S. EPA ECHO) Agency record
Severity 3.3
Yellow Dog Mine, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110071401184 (U.S. EPA ECHO) Agency record
Severity 3
Henderson, Hall
NPDES wastewater discharge permit.
EPA FRS registry ID 110071709439 (U.S. EPA ECHO) Agency record
Severity 2.3
Town Of Drummond Wwtp, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110009715059 (U.S. EPA ECHO) Agency record
Severity 2
Drummond, Drummond
Public airport. O.
Record ID M26 (FAA / U.S. DOT)
Severity 2
Riddick Fld, Philipsburg
Public airport. O.
Record ID U05 (FAA / U.S. DOT)
Severity 2
Anaconda Bench Sapphire Mine, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110070894492 (U.S. EPA ECHO) Agency record
Severity 1.8
Golden Jubilee Mine, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110071526363 (U.S. EPA ECHO) Agency record
Severity 1.8
East Fork Of Rock Creek, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110071925849 (U.S. EPA ECHO) Agency record
Severity 1.8
Yellowstone Pipe Line Co - Flint Creek 318 Permit, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110037279094 (U.S. EPA ECHO) Agency record
Severity 1.5
Fidelity National Timber Resources Trout Creek 318, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110039187395 (U.S. EPA ECHO) Agency record
Severity 1.5
Richard Dugat Harvey Creek And Unnamed Pond Clinton 318, Clinton
NPDES wastewater discharge permit.
EPA FRS registry ID 110041930060 (U.S. EPA ECHO) Agency record
Severity 1.5
Mrl Gold Creek 318, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110042395048 (U.S. EPA ECHO) Agency record
Severity 1.5
Mdot Clark Fork Drummond 318, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110043479492 (U.S. EPA ECHO) Agency record
Severity 1.5
Granite County Clark Fork River 308, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110044273292 (U.S. EPA ECHO) Agency record
Severity 1.5
Granite County Water Users Allendale Ditch Co Pesticide, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110046297761 (U.S. EPA ECHO) Agency record
Severity 1.5
Ls Jensen Mdot Camp Creek 318, Philipsburg
NPDES wastewater discharge permit.
EPA FRS registry ID 110046303371 (U.S. EPA ECHO) Agency record
Severity 1.5
Stephen Speckart Private Pond Rock Creek 318, Clinton
NPDES wastewater discharge permit.
EPA FRS registry ID 110055098040 (U.S. EPA ECHO) Agency record
Severity 1.5
Yellowstone Pipe Line Co Flint Creek 318, Drummond
NPDES wastewater discharge permit.
EPA FRS registry ID 110055254022 (U.S. EPA ECHO) Agency record
Severity 1.5
Mrl Bridge 90 Repair Clark Fork River 318, Nimrod
NPDES wastewater discharge permit.
EPA FRS registry ID 110056152112 (U.S. EPA ECHO) Agency record
Severity 1.5
Mrl River Bank Bridge Protection Clark Fork 318, Bearmouth
NPDES wastewater discharge permit.
EPA FRS registry ID 110056152121 (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 Granite 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 Granite 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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