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Daniels County, Montana: environmental and disease records

Cancer mortality in Daniels County is 128.2 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 42 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (31), NPDES wastewater discharge permit (9), Public airport (1). 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: 48.7566, -105.5298.

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 Daniels County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	Deaths	128.2	143.2	0.9x	78.6 to 210	2020-2024
All cancer	New cases	279.9	453.4	0.62x	195.8 to 396.5	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 Daniels County
Measure	County	U.S. median	Difference	Unit
Premature death	6,489.3	9,842.6	-34%	years of life lost before age 75 per 100,000
Life expectancy	n/a	75.3	n/a	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	n/a	96.9	n/a	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.

Formaldehyde9.83 per million
Carbon Tetrachloride2.83 per million
Acetaldehyde0.7 per million
Benzene0.54 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing31
NPDES wastewater discharge permit9
Public airport1
Brownfield property1

Highest-severity records

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

Flaxville School, Flaxville
Brownfield property.
EPA FRS registry ID 110071964718 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Scobey, Scobey
Public airport. O.
Record ID 9S2 (FAA / U.S. DOT)
Severity 2
Fortuna Us Lp - Daniels County Oil Exploration, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110037945711 (U.S. EPA ECHO) Agency record
Severity 1.5
Innovative Technical Solutions Scobey Land Port Of Entry, Port Of Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110041255263 (U.S. EPA ECHO) Agency record
Severity 1.5
Nemont Telephone Cooperative - Flaxville Fttp Project, Flaxville
NPDES wastewater discharge permit.
EPA FRS registry ID 110043742439 (U.S. EPA ECHO) Agency record
Severity 1.5
Apollo Inc 2011 Cross Country Water Main Replacement, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110044890008 (U.S. EPA ECHO) Agency record
Severity 1.5
Transcanada Keystone Pipeline Daniels County 318, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110064611273 (U.S. EPA ECHO) Agency record
Severity 1.5
Sk Construction Inc - Unnamed Trib To W Fork Poplar River 318 Permit, Peerless
NPDES wastewater discharge permit.
EPA FRS registry ID 110064621084 (U.S. EPA ECHO) Agency record
Severity 1.5
Pro Co-Op Office And Storage Building, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110069209680 (U.S. EPA ECHO) Agency record
Severity 1.5
Mdt Bridge Over Poplar River, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110070918810 (U.S. EPA ECHO) Agency record
Severity 1.5
Dprwa: Scobey Phase 3/Opheim Phase 1a, Scobey
NPDES wastewater discharge permit.
EPA FRS registry ID 110071375835 (U.S. EPA ECHO) Agency record
Severity 1.5
Navajo, Flaxville
Rail grade crossing.
Record ID 080285G (Federal Railroad Administration)
Severity 1
Private, Flaxville
Rail grade crossing.
Record ID 080286N (Federal Railroad Administration)
Severity 1
Local, Flaxville
Rail grade crossing.
Record ID 080287V (Federal Railroad Administration)
Severity 1
Pvt Road, Flaxville
Rail grade crossing.
Record ID 080288C (Federal Railroad Administration)
Severity 1
Pvt Road, Flaxville
Rail grade crossing.
Record ID 080289J (Federal Railroad Administration)
Severity 1
Pvt Road, Flaxville
Rail grade crossing.
Record ID 080290D (Federal Railroad Administration)
Severity 1
Se City Limits, Flaxville
Rail grade crossing.
Record ID 080291K (Federal Railroad Administration)
Severity 1
Main St, Flaxville
Rail grade crossing.
Record ID 080292S (Federal Railroad Administration)
Severity 1
Pvt Road, Flaxville
Rail grade crossing.
Record ID 080293Y (Federal Railroad Administration)
Severity 1
Flaxville W 2 Mi, Flaxville
Rail grade crossing.
Record ID 080294F (Federal Railroad Administration)
Severity 1
Flaxville W 3 Mi, Flaxville
Rail grade crossing.
Record ID 080297B (Federal Railroad Administration)
Severity 1
Madoc E 1 Mi, Flaxville
Rail grade crossing.
Record ID 080299P (Federal Railroad Administration)
Severity 1
Madoc E 5 Mi, Flaxville
Rail grade crossing.
Record ID 080300G (Federal Railroad Administration)
Severity 1
Madoc Main St, Scobey
Rail grade crossing.
Record ID 080301N (Federal Railroad Administration)
Severity 1

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 Daniels 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 Daniels 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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