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Douglas County, South Dakota: environmental and disease records

Cancer mortality in Douglas County is 137.2 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 24 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (8), Auto repair or body shop (mapped facility) (5), Gas station (mapped facility) (3). 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: 43.3469, -98.3527.

How this county ranks in South 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 Douglas County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	Deaths	137.2	143.2	0.96x	92.8 to 199.5	2020-2024
All cancer	New cases	388.7	453.4	0.86x	307 to 488.6	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 Douglas County
Measure	County	U.S. median	Difference	Unit
Premature death	3,317.8	9,842.6	-66%	years of life lost before age 75 per 100,000
Life expectancy	80.9	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	104.5	96.9	+8%	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.

Formaldehyde12.64 per million
Carbon Tetrachloride2.89 per million
Acetaldehyde1 per million
Benzene0.47 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit8
Auto repair or body shop (mapped facility)5
Gas station (mapped facility)3
Small hazardous waste generator2
TRI reporting facility2
Toxic chemical release facility (TRI)2
Public airport1
Heliport1

Highest-severity records

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

Dakota Mfg Co Inc, Corsica
TRI reporting facility.
EPA FRS registry ID 110007841461 (U.S. EPA ECHO) Agency record
Severity 4.4
Dakota Mfg Co Inc, Corsica
Toxic chemical release facility (TRI). Chemicals: Manganese compounds. 25 lbs released over 5 years.
TRI facility ID 57328PRRSTHWY28 (U.S. EPA Toxics Release Inventory)
Severity 4.1
Chs Farmers Alliance - Corsica Feed, Corsica
TRI reporting facility.
EPA FRS registry ID 110070070108 (U.S. EPA ECHO) Agency record
Severity 4
Chs Farmers Alliance - Corsica Feed, Corsica
Toxic chemical release facility (TRI). Chemicals: Copper compounds, Manganese compounds, Zinc compounds, Zinc (fume or dust).
TRI facility ID 5732WCHSFR145WE (U.S. EPA Toxics Release Inventory)
Severity 3
Armour, City Of, Armour
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692542 (U.S. EPA ECHO) Agency record
Severity 2
Corsica Muni, Corsica
Public airport. O.
Record ID D65 (FAA / U.S. DOT)
Severity 2
Corsica, City Of, Corsica
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791662 (U.S. EPA ECHO) Agency record
Severity 1.8
Delmont, City Of, Delmont
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791582 (U.S. EPA ECHO) Agency record
Severity 1.5
Armour School, Armour
Small hazardous waste generator.
EPA FRS registry ID 110011908784 (U.S. EPA ECHO) Agency record
Severity 1.5
Primetime Express, Inc., Corsica
NPDES wastewater discharge permit.
EPA FRS registry ID 110041902135 (U.S. EPA ECHO) Agency record
Severity 1.5
Trail-Eze Inc, Corsica
Small hazardous waste generator.
EPA FRS registry ID 110064115942 (U.S. EPA ECHO) Agency record
Severity 1.5
Armour Water Distribution (Wtp), Armour
NPDES wastewater discharge permit.
EPA FRS registry ID 110064615849 (U.S. EPA ECHO) Agency record
Severity 1.5
Blue Bird Locker, Delmont, City Of
NPDES wastewater discharge permit.
EPA FRS registry ID 110070105449 (U.S. EPA ECHO) Agency record
Severity 1.5
Travis Delange Ag Waste System, Corsica
NPDES wastewater discharge permit.
EPA FRS registry ID 110071323466 (U.S. EPA ECHO) Agency record
Severity 1.5
Pcn 0al0, Armour
NPDES wastewater discharge permit.
EPA FRS registry ID 110072248681 (U.S. EPA ECHO) Agency record
Severity 1.5
Cenex
Gas station (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/12700653340 (OpenStreetMap contributors) Agency record
Severity 1
Clark
Gas station (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/12700653351 (OpenStreetMap contributors) Agency record
Severity 1
Dean's Auto Body
Auto repair or body shop (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1371365147 (OpenStreetMap contributors) Agency record
Severity 1
Alan's Paint & Body
Auto repair or body shop (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1371365178 (OpenStreetMap contributors) Agency record
Severity 1
Select Service Center
Auto repair or body shop (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1371365179 (OpenStreetMap contributors) Agency record
Severity 1
Johnson Restoration & Auto Body
Auto repair or body shop (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/727324280 (OpenStreetMap contributors) Agency record
Severity 1
Fuel Station
Gas station (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/727324289 (OpenStreetMap contributors) Agency record
Severity 1
Vogt’s Repair
Auto repair or body shop (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/727324357 (OpenStreetMap contributors) Agency record
Severity 1
Douglas County Meml Hospital, Armour
Heliport. O.
Record ID 08SD (FAA / U.S. DOT)
Severity 0.5

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 Douglas County

South 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 Douglas County, and their findings.
South 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.
South Dakota health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
South 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.
South 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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