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Cavalier County, North Dakota: environmental and disease records

Cancer mortality in Cavalier County is 143.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 174 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (140), NPDES wastewater discharge permit (24), Public airport (3). 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: 48.7691, -98.4753.

How this county ranks in North Dakota

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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 Cavalier County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	Deaths	143.6	143.2	1x	105.2 to 195.5	2020-2024
All cancer	New cases	450.9	453.4	0.99x	372.4 to 543.5	2019-2023
Lung & bronchus	New cases	47.8	51.8	0.92x	28.1 to 81.8	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 Cavalier County
Measure	County	U.S. median	Difference	Unit
Premature death	5,632.3	9,842.6	-43%	years of life lost before age 75 per 100,000
Life expectancy	80.6	75.3	+7%	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	91.6	96.9	-6%	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.

Formaldehyde10.13 per million
Carbon Tetrachloride2.95 per million
Acetaldehyde0.79 per million
Benzene0.66 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing140
NPDES wastewater discharge permit24
Public airport3
Brownfield property3
Wind power plant3
Scrapyard (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.

Close Construction Company-Portable Locations Statewide, Milton
NPDES wastewater discharge permit.
EPA FRS registry ID 110070052679 (U.S. EPA ECHO) Agency record
Severity 3.5
Cavalier County Memorial Hospital Admin. Wing, Langdon
Brownfield property.
EPA FRS registry ID 110045401757 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Us Army Stanley R Mickelsen Safeguard Complex, Nekoma
Brownfield property.
EPA FRS registry ID 110071968837 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Cavalier County Courthouse, Langdon
Brownfield property.
EPA FRS registry ID 110071971910 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Langdon City Of, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110000866536 (U.S. EPA ECHO) Agency record
Severity 3
Munich City Of, Munich
NPDES wastewater discharge permit.
EPA FRS registry ID 110011043986 (U.S. EPA ECHO) Agency record
Severity 2.3
Robertson Fld, Langdon
Public airport. O.
Record ID D55 (FAA / U.S. DOT)
Severity 2
Nekoma City Of, Nekoma
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044057 (U.S. EPA ECHO) Agency record
Severity 1.8
Osnabrock City Of, Osnabrock
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044173 (U.S. EPA ECHO) Agency record
Severity 1.8
Langdon City Of, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110040032176 (U.S. EPA ECHO) Agency record
Severity 1.8
Milton City Of, Milton
NPDES wastewater discharge permit.
EPA FRS registry ID 110010826749 (U.S. EPA ECHO) Agency record
Severity 1.5
Alsen City Of, Alsen
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044672 (U.S. EPA ECHO) Agency record
Severity 1.5
Strata Concrete-Langdon, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110056175801 (U.S. EPA ECHO) Agency record
Severity 1.5
Langdon, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110070220354 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Osnabrock Shop, Osnabrock
NPDES wastewater discharge permit.
EPA FRS registry ID 110070526671 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Sarles Shop, Sarles
NPDES wastewater discharge permit.
EPA FRS registry ID 110070529263 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Hannah Shop, Hannah
NPDES wastewater discharge permit.
EPA FRS registry ID 110070530016 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Vang Shop, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110070530761 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Munich Shop, Munich
NPDES wastewater discharge permit.
EPA FRS registry ID 110070531049 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier County-Langdon Shop, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110070531196 (U.S. EPA ECHO) Agency record
Severity 1.5
Greg Pennington, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110070668807 (U.S. EPA ECHO) Agency record
Severity 1.5
Cavalier Sfs, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071539728 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Langdon Street Improvements, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071815891 (U.S. EPA ECHO) Agency record
Severity 1.5
Pembina Gorge State Park Campground, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071823308 (U.S. EPA ECHO) Agency record
Severity 1.5
Langdon Airport, Langdon
NPDES wastewater discharge permit.
EPA FRS registry ID 110072109205 (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 Cavalier County

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