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Kingsbury County, South Dakota: environmental and disease records

Cancer mortality in Kingsbury County is 147.1 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 104 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (71), NPDES wastewater discharge permit (18), 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: 44.3699, -97.491.

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 Kingsbury County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	New cases	48.5	23.8	2.04xSignificant	28.9 to 78.6	2019-2023
All cancer	New cases	568.3	453.4	1.25xSignificant	489 to 657.8	2019-2023
Lung & bronchus	Deaths	35.9	30.2	1.19x	21.1 to 60.4	2020-2024
Lung & bronchus	New cases	56.4	51.8	1.09x	35.6 to 87.2	2019-2023
All cancer	Deaths	147.1	143.2	1.03x	111.4 to 192.2	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 Kingsbury County
Measure	County	U.S. median	Difference	Unit
Premature death	4,944.7	9,842.6	-50%	years of life lost before age 75 per 100,000
Life expectancy	79.4	75.3	+6%	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	86.9	96.9	-10%	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.

Formaldehyde11.92 per million
Carbon Tetrachloride2.89 per million
Acetaldehyde0.92 per million
Benzene0.57 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing71
NPDES wastewater discharge permit18
Gas station (mapped facility)5
Public airport3
Auto repair or body shop (mapped facility)3
Air permit holder (minor source)1
Brownfield property1
Heliport1
Oil-fired power plant1

Highest-severity records

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

Lake Preston, Lake Preston
Oil-fired power plant.
Record ID 3352 (U.S. Energy Information Administration)
Severity 4
Alvord-Polk Inc., Property, Lake Preston
Brownfield property.
EPA FRS registry ID 110070342410 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Iroquois, City Of, Iroquois
NPDES wastewater discharge permit.
EPA FRS registry ID 110009705195 (U.S. EPA ECHO) Agency record
Severity 2.3
Lake Preston, City Of, Lake Preston
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692196 (U.S. EPA ECHO) Agency record
Severity 2
Wilder, Desmet
Public airport. O.
Record ID 6E5 (FAA / U.S. DOT)
Severity 2
Erwin, Town Of, Erwin
NPDES wastewater discharge permit.
EPA FRS registry ID 110028183882 (U.S. EPA ECHO) Agency record
Severity 1.8
American Engineered Products, De Smet
NPDES wastewater discharge permit.
EPA FRS registry ID 110070261152 (U.S. EPA ECHO) Agency record
Severity 1.8
Lyle Signs Inc, De Smet
NPDES wastewater discharge permit.
EPA FRS registry ID 110002124111 (U.S. EPA ECHO) Agency record
Severity 1.5
Oldham, City Of, Oldham
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692338 (U.S. EPA ECHO) Agency record
Severity 1.5
De Smet, City Of, De Smet
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692436 (U.S. EPA ECHO) Agency record
Severity 1.5
Kingbrook Rural Water System, Arlington
NPDES wastewater discharge permit.
EPA FRS registry ID 110043482111 (U.S. EPA ECHO) Agency record
Severity 1.5
Gevo Net Zero 1, Lake Preston
NPDES wastewater discharge permit.
EPA FRS registry ID 110071358009 (U.S. EPA ECHO) Agency record
Severity 1.5
Redstone Dairy/Riverview Llp, Iroquois
NPDES wastewater discharge permit.
EPA FRS registry ID 110071545837 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Lake Preston Water And Wastewater Improvements Phase 2a, Lake Preston
NPDES wastewater discharge permit.
EPA FRS registry ID 110071668791 (U.S. EPA ECHO) Agency record
Severity 1.5
Arlington Elevated Tank, Arlington
NPDES wastewater discharge permit.
EPA FRS registry ID 110071707233 (U.S. EPA ECHO) Agency record
Severity 1.5
Whitewood Dairy, Arlington
NPDES wastewater discharge permit.
EPA FRS registry ID 110071895356 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Lake Preston Water And Wastewater Improvements - Phase 2b, Lake Preston
NPDES wastewater discharge permit.
EPA FRS registry ID 110071950652 (U.S. EPA ECHO) Agency record
Severity 1.5
Kingsbury County Switching Station Grading, Lake Preston
NPDES wastewater discharge permit.
EPA FRS registry ID 110071953898 (U.S. EPA ECHO) Agency record
Severity 1.5
Manchester Substation Grading, Iroquois
NPDES wastewater discharge permit.
EPA FRS registry ID 110071962337 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Desmet Calumet Ave Watermain, De Smet
NPDES wastewater discharge permit.
EPA FRS registry ID 110071963507 (U.S. EPA ECHO) Agency record
Severity 1.5
Iroquois Main Lift Station & Forcemain, Iroquois
NPDES wastewater discharge permit.
EPA FRS registry ID 110072073050 (U.S. EPA ECHO) Agency record
Severity 1.5
Us 81, Arlington
Rail grade crossing.
Record ID 197451Y (Federal Railroad Administration)
Severity 1.3
Sd 25, De Smet
Rail grade crossing.
Record ID 197457P (Federal Railroad Administration)
Severity 1.3
Sioux Street S, Iroquois
Rail grade crossing.
Record ID 197471K (Federal Railroad Administration)
Severity 1.3
Main Avenue, Lake Preston
Rail grade crossing.
Record ID 197521L (Federal Railroad Administration)
Severity 1.3

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 Kingsbury 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 Kingsbury 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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