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Valley County, Montana: environmental and disease records

Cancer mortality in Valley County is 133 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 130 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (48), NPDES wastewater discharge permit (48), Brownfield property (13). 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: 48.3499, -106.5325.

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 Valley County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	New cases	56.4	51.8	1.09x	38.6 to 81	2019-2023
Lung & bronchus	Deaths	32.8	30.2	1.09x	20.6 to 51.7	2020-2024
All cancer	New cases	452.7	453.4	1x	395 to 517.2	2019-2023
All cancer	Deaths	133	143.2	0.93x	105.3 to 167.1	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 Valley County
Measure	County	U.S. median	Difference	Unit
Premature death	10,374.9	9,842.6	+5%	years of life lost before age 75 per 100,000
Life expectancy	76.4	75.3	+2%	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	150.4	96.9	+55%	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.

Formaldehyde9.4 per million
Carbon Tetrachloride2.84 per million
Acetaldehyde0.71 per million
Benzene0.59 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing48
NPDES wastewater discharge permit48
Brownfield property13
Public airport9
Gas station (mapped facility)8
Major air pollution source2
Commercial airport1
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.

Fossum Ready Mix, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110011048909 (U.S. EPA ECHO) Agency record
Severity 4.5
Glasgow Industrial Airport, Saint Marie
NPDES wastewater discharge permit.
EPA FRS registry ID 110011049187 (U.S. EPA ECHO) Agency record
Severity 4.5
T And R Trucking Inc, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110007652771 (U.S. EPA ECHO) Agency record
Severity 4.3
Hinsdale Wwtf, Hinsdale
NPDES wastewater discharge permit.
EPA FRS registry ID 110006723180 (U.S. EPA ECHO) Agency record
Severity 4
Langen Ranch, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110012804652 (U.S. EPA ECHO) Agency record
Severity 4
Cornwell Ranch, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110012804643 (U.S. EPA ECHO) Agency record
Severity 3.8
Blm Bent #4, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110070236046 (U.S. EPA ECHO) Agency record
Severity 3.8
Northern Border Pipeline Co Sta 1, Glasgow
Major air pollution source.
EPA FRS registry ID 110001474672 (U.S. EPA ECHO) Agency record
Severity 3.5
Williston Basin - Fort Peck Station, Nashua
Major air pollution source.
EPA FRS registry ID 110020372103 (U.S. EPA ECHO) Agency record
Severity 3.5
City Of Glasgow Parks Maintenance Bldg, Glasgow
NPDES wastewater discharge permit.
EPA FRS registry ID 110020373362 (U.S. EPA ECHO) Agency record
Severity 3.5
Magruder Motors, Glasgow
Brownfield property.
EPA FRS registry ID 110071964719 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
R.L Irle Elementary School, Glasgow
Brownfield property.
EPA FRS registry ID 110071966379 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Hinsdale Conoco, Hinsdale
Brownfield property.
EPA FRS registry ID 110071967247 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Legacy Square, Glasgow
Brownfield property.
EPA FRS registry ID 110071968177 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Frazer Pencil Factory, Frazer
Brownfield property.
EPA FRS registry ID 110071968624 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Glasgow Afb Hospital, Saint Marie
Brownfield property.
EPA FRS registry ID 110071971005 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Frazer Community Center, Frazer
Brownfield property.
EPA FRS registry ID 110071971590 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
541 8th Avenue, Frazer
Brownfield property.
EPA FRS registry ID 110071972707 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Glasgow City Pool, Glasgow
Brownfield property.
EPA FRS registry ID 110071981580 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Jaycee Building, Glasgow
Brownfield property.
EPA FRS registry ID 110071981583 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
North Star School, Saint Marie
Brownfield property.
EPA FRS registry ID 110071982855 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Fort Peck Elementary, Fort Peck
Brownfield property.
EPA FRS registry ID 110071986705 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Trailside General Store, Glasgow
Brownfield property.
EPA FRS registry ID 110071986707 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Town Of Nashua Wwtf, Nashua
NPDES wastewater discharge permit.
EPA FRS registry ID 110010825786 (U.S. EPA ECHO) Agency record
Severity 2.5
Water Treatment Plant - Macro, Saint Marie
NPDES wastewater discharge permit.
EPA FRS registry ID 110009860347 (U.S. EPA ECHO) Agency record
Severity 2

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 Valley 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 Valley 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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