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Sargent County, North Dakota: environmental and disease records

Cancer mortality in Sargent County is 154.5 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 188 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (145), NPDES wastewater discharge permit (19), Gas station (mapped facility) (5). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 20 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: 46.109, -97.6335.

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 Sargent County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	50.7	30.2	1.68x	29.9 to 84.9	2020-2024
Lung & bronchus	New cases	60.6	51.8	1.17x	37.3 to 97.2	2019-2023
All cancer	Deaths	154.5	143.2	1.08x	114.4 to 207.3	2020-2024
All cancer	New cases	469.6	453.4	1.04x	391.3 to 560.9	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 Sargent County
Measure	County	U.S. median	Difference	Unit
Premature death	8,706.8	9,842.6	-12%	years of life lost before age 75 per 100,000
Life expectancy	77.6	75.3	+3%	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	88.1	96.9	-9%	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: 20 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde11.39 per million
Carbon Tetrachloride2.96 per million
Acetaldehyde0.91 per million
Benzene0.6 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing145
NPDES wastewater discharge permit19
Gas station (mapped facility)5
Scrapyard (mapped facility)5
Auto repair or body shop (mapped facility)3
Brownfield property3
Public airport2
Major air pollution source1
Air permit holder (minor source)1
Commercial airport1
Large greenhouse gas emitter1
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.

Bobcat Co (Melroe), Gwinner
Toxic chemical release facility (TRI). Chemicals: Methyl isobutyl ketone, Manganese, Lead, Nickel and 1 more. Reports carcinogens. 68,680 lbs released over 5 years.
TRI facility ID 58040MLRCM2101S (U.S. EPA Toxics Release Inventory)
Severity 8.2
Bobcat Co (Melroe), Gwinner
TRI reporting facility.
EPA FRS registry ID 110012478764 (U.S. EPA ECHO) Agency record
Severity 5.9
Gwinner City Maintenance, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110004062488 (U.S. EPA ECHO) Agency record
Severity 3.5
Waste Management Of North Dakota Inc - Dakota Msw Landfill, Gwinner
Major air pollution source.
EPA FRS registry ID 110067047902 (U.S. EPA ECHO) Agency record
Severity 3.5
Former Shoes And Stuff Building, Milnor
Brownfield property.
EPA FRS registry ID 110038762853 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Side Street Saloon Building, Milnor
Brownfield property.
EPA FRS registry ID 110039138420 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Milnor Variety Store, Milnor
Brownfield property.
EPA FRS registry ID 110071971977 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Waste Management Of North Dakota Inc - Dakota Msw Landfill, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110067047902 (U.S. EPA ECHO) Agency record
Severity 3
Waste Management Of North Dakota Inc - Dakota Msw Landfill, Gwinner
Large greenhouse gas emitter.
EPA FRS registry ID 110067047902 (U.S. EPA ECHO) Agency record
Severity 2.5
Unk, Forman
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044342 (U.S. EPA ECHO) Agency record
Severity 2
Northern Metals Llc - Milnor Facility, Milnor
NPDES wastewater discharge permit.
EPA FRS registry ID 110042170664 (U.S. EPA ECHO) Agency record
Severity 2
Milnor Muni, Milnor
Public airport. O.
Record ID 4R6 (FAA / U.S. DOT)
Severity 2
Gwinner/Roger Melroe Fld, Gwinner
Commercial airport. O.
Record ID GWR (FAA / U.S. DOT)
Severity 2
Cayuga City Of, Cayuga
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044486 (U.S. EPA ECHO) Agency record
Severity 1.8
Milnor City Of, Milnor
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044789 (U.S. EPA ECHO) Agency record
Severity 1.8
Rutland City Of, Rutland
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044324 (U.S. EPA ECHO) Agency record
Severity 1.5
Cogswell City Of, Cogswell
NPDES wastewater discharge permit.
EPA FRS registry ID 110011044681 (U.S. EPA ECHO) Agency record
Severity 1.5
Bobcat Co (Melroe), Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110012478764 (U.S. EPA ECHO) Agency record
Severity 1.5
Holcim-Mwr, Inc.-Gwinner Ready Mix Plant, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110070053364 (U.S. EPA ECHO) Agency record
Severity 1.5
Big Dipper Enterprises, Inc., (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110070619518 (U.S. EPA ECHO) Agency record
Severity 1.5
Gwinner Engineering Facility, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110070740631 (U.S. EPA ECHO) Agency record
Severity 1.5
Bobcat Company - Gwinner Manufacturing, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110071546491 (U.S. EPA ECHO) Agency record
Severity 1.5
Gast Construction, (Unknown City)
NPDES wastewater discharge permit.
EPA FRS registry ID 110071816968 (U.S. EPA ECHO) Agency record
Severity 1.5
Str. 46-141-000, Kidder
NPDES wastewater discharge permit.
EPA FRS registry ID 110071994083 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Gwinner - Park Board - Stormwater Construction, Gwinner
NPDES wastewater discharge permit.
EPA FRS registry ID 110072145876 (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 Sargent 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 Sargent 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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