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Charles Mix County, South Dakota: environmental and disease records

Cancer mortality in Charles Mix County is 128.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 200 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (97), Brownfield property (36), NPDES wastewater discharge permit (35). 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: 43.1709, -98.4749.

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 Charles Mix County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	New cases	56.9	51.8	1.1x	39.8 to 79.7	2019-2023
All cancer	New cases	484.1	453.4	1.07x	425.4 to 548.8	2019-2023
All cancer	Deaths	128.3	143.2	0.9x	100.7 to 161.6	2020-2024
Lung & bronchus	Deaths	25.8	30.2	0.85x	14.7 to 42.8	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 Charles Mix County
Measure	County	U.S. median	Difference	Unit
Premature death	16,778.9	9,842.6	+70%	years of life lost before age 75 per 100,000
Life expectancy	71.4	75.3	-5%	years
Child mortality	140.2	59.8	+135%	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	125.4	96.9	+29%	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.

Formaldehyde12.74 per million
Carbon Tetrachloride2.89 per million
Acetaldehyde1.01 per million
Benzene0.49 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing97
Brownfield property36
NPDES wastewater discharge permit35
Gas station (mapped facility)11
Auto repair or body shop (mapped facility)6
Small hazardous waste generator4
Air permit holder (minor source)2
Public airport2
Commercial airport1
Heliport1
Landfill (mapped facility)1
Hydroelectric plant1
TRI reporting facility1
Toxic chemical release facility (TRI)1
Wastewater plant (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.

Dakota Mfg Co Inc, Platte
TRI reporting facility.
EPA FRS registry ID 110004946872 (U.S. EPA ECHO) Agency record
Severity 4.4
Dakota Mfg Co Inc, Platte
Toxic chemical release facility (TRI). Chemicals: Manganese. 15 lbs released over 5 years.
TRI facility ID 57369DKTMF8MAIN (U.S. EPA Toxics Release Inventory)
Severity 3.9
Former Guest House, Marty
Brownfield property.
EPA FRS registry ID 110071964922 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
St. Joseph'S Dormitory, Marty
Brownfield property.
EPA FRS registry ID 110071965745 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
St. Katherines Building, Marty
Brownfield property.
EPA FRS registry ID 110071965746 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
524 Maple Street, Marty
Brownfield property.
EPA FRS registry ID 110071972208 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
616 Second Street, Lake Andes
Brownfield property.
EPA FRS registry ID 110071972210 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
802 Spruce Street, Wagner
Brownfield property.
EPA FRS registry ID 110071972212 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
806 Spruce Street, Wagner
Brownfield property.
EPA FRS registry ID 110071972213 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
808 Spruce Street, Wagner
Brownfield property.
EPA FRS registry ID 110071972214 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
816 Main Road, Wagner
Brownfield property.
EPA FRS registry ID 110071972215 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
823 Main Road, Wagner
Brownfield property.
EPA FRS registry ID 110071972216 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
824 Main Road, Wagner
Brownfield property.
EPA FRS registry ID 110071972217 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
644 First Street, Lake Andes
Brownfield property.
EPA FRS registry ID 110071972218 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
White Swan Lane #3, Lake Andes
Brownfield property.
EPA FRS registry ID 110071972219 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Marty Elderly Complex Drive #3, Marty
Brownfield property.
EPA FRS registry ID 110071972220 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
401 4th Street Sw Apt. 14, Wagner
Brownfield property.
EPA FRS registry ID 110071972221 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
413 Tomahawk Road, Wagner
Brownfield property.
EPA FRS registry ID 110071972222 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Marty Old Tribal Hall, Marty
Brownfield property.
EPA FRS registry ID 110071975961 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Commercial Building, Geddes
Brownfield property.
EPA FRS registry ID 110071977849 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Parkview Apartment, Wagner
Brownfield property.
EPA FRS registry ID 110071979611 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Betty Taylor Trailer, Wagner
Brownfield property.
EPA FRS registry ID 110071982812 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Wagner House, Wagner
Brownfield property.
EPA FRS registry ID 110071982814 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Stacey'S Expression, Wagner
Brownfield property.
EPA FRS registry ID 110071982816 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Mercantile Building, Wagner
Brownfield property.
EPA FRS registry ID 110071982929 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 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 Charles Mix 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 Charles Mix 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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