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Yankton County, South Dakota: environmental and disease records

Cancer mortality in Yankton County is 121.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 221 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (78), NPDES wastewater discharge permit (57), Gas station (mapped facility) (20). One correctional facility operates in the county. 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: 42.9813, -97.398.

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 Yankton County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Thyroid	New cases	24.1	13	1.85xSignificant	15.7 to 35.3	2019-2023
Bladder	New cases	28.7	18.7	1.53xSignificant	21.2 to 38.5	2019-2023
Melanoma of the skin	New cases	34.3	23.8	1.44xSignificant	25.2 to 45.6	2019-2023
Non-Hodgkin lymphoma	New cases	24.5	18.5	1.32x	17 to 34.3	2019-2023
Leukemia	New cases	18	14.5	1.24x	11.6 to 26.8	2019-2023
All cancer	New cases	469.3	453.4	1.04x	435.1 to 505.5	2019-2023
Kidney & renal pelvis	New cases	16.5	17.9	0.92x	10.7 to 24.6	2019-2023
All cancer	Deaths	121.6	143.2	0.85x	105.7 to 139.6	2020-2024
Lung & bronchus	New cases	42.7	51.8	0.82x	33.5 to 53.9	2019-2023
Pancreas	Deaths	9.2	11.3	0.81x	5.1 to 15.6	2020-2024
Pancreas	New cases	11	13.9	0.79x	6.5 to 17.7	2019-2023
Lung & bronchus	Deaths	22.3	30.2	0.74x	16 to 30.7	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 Yankton County
Measure	County	U.S. median	Difference	Unit
Premature death	6,346.3	9,842.6	-36%	years of life lost before age 75 per 100,000
Life expectancy	79.2	75.3	+5%	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	74.7	96.9	-23%	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.

Formaldehyde13.77 per million
Carbon Tetrachloride2.91 per million
Acetaldehyde1.13 per million
Benzene0.63 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing78
NPDES wastewater discharge permit57
Gas station (mapped facility)20
Brownfield property18
TRI reporting facility9
Toxic chemical release facility (TRI)9
Auto repair or body shop (mapped facility)6
Small hazardous waste generator6
Air permit holder (minor source)4
Large hazardous waste generator4
Major air pollution source3
Landfill (mapped facility)2
Commercial airport1
Correctional facility (prison or jail)1
Gas power plant1
Wind power plant1
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.

Hydro Extrusion Usa Llc, Yankton
Toxic chemical release facility (TRI). Chemicals: Certain glycol ethers, Xylene (mixed isomers), Hydrogen fluoride, n-Butyl alcohol and 4 more. Reports carcinogens. 164,568 lbs released over 5 years.
TRI facility ID 57078LMXXT2300A (U.S. EPA Toxics Release Inventory)
Severity 8.5
Hydro Extrusions Llc, Yankton
TRI reporting facility.
EPA FRS registry ID 110000427716 (U.S. EPA ECHO) Agency record
Severity 6.5
Knife River-Yankton, Yankton
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Polycyclic aromatic compounds, Lead, Mercury and 1 more. Reports carcinogens. 291 lbs released over 5 years.
TRI facility ID 5707WCNCRT221AL (U.S. EPA Toxics Release Inventory)
Severity 6.4
Wilson Trailer Co, Yankton
Toxic chemical release facility (TRI). Chemicals: Manganese, Copper, Chromium, Lead. Reports carcinogens. 220 lbs released over 5 years.
TRI facility ID 57078WLSNTHWY81 (U.S. EPA Toxics Release Inventory)
Severity 6.3
Manitou Equipment America Llc - Yankton, Yankton
Toxic chemical release facility (TRI). Chemicals: Manganese. 755 lbs released over 5 years.
TRI facility ID 57078GHLPW900FE (U.S. EPA Toxics Release Inventory)
Severity 5.2
Manitou Americas Inc, Yankton
TRI reporting facility.
EPA FRS registry ID 110000427690 (U.S. EPA ECHO) Agency record
Severity 5.2
Astec - Yankton, Yankton
Toxic chemical release facility (TRI). Chemicals: Manganese. 535 lbs released over 5 years.
TRI facility ID 57078PRTCNW21ST (U.S. EPA Toxics Release Inventory)
Severity 5.1
Kolberg-Pioneer Inc, Yankton
TRI reporting facility.
EPA FRS registry ID 110000427725 (U.S. EPA ECHO) Agency record
Severity 4.9
Wilson Trailer Company, Yankton
TRI reporting facility.
EPA FRS registry ID 110000594937 (U.S. EPA ECHO) Agency record
Severity 4.8
Vishay-Dale Electronics, Yankton
Toxic chemical release facility (TRI). Chemicals: Lead, Lead compounds, Copper. Reports carcinogens.
TRI facility ID 57078DLLCTEASTH (U.S. EPA Toxics Release Inventory)
Severity 4.5
L & M Radiator, Inc., Yankton
TRI reporting facility.
EPA FRS registry ID 110031419230 (U.S. EPA ECHO) Agency record
Severity 4.4
Cimpl'S Inc, Yankton
TRI reporting facility.
EPA FRS registry ID 110000564354 (U.S. EPA ECHO) Agency record
Severity 4.3
Hydro Extrusions Llc, Yankton
Major air pollution source.
EPA FRS registry ID 110000427716 (U.S. EPA ECHO) Agency record
Severity 4
Vishay-Dale Electronics, Yankton
TRI reporting facility.
EPA FRS registry ID 110000602429 (U.S. EPA ECHO) Agency record
Severity 4
Baldwin Filters Inc., Yankton
TRI reporting facility.
EPA FRS registry ID 110004946319 (U.S. EPA ECHO) Agency record
Severity 4
Concrete Materials Company, Yankton
TRI reporting facility.
EPA FRS registry ID 110012710398 (U.S. EPA ECHO) Agency record
Severity 4
Wastewater Treatment Plant, Yankton
NPDES wastewater discharge permit.
EPA FRS registry ID 110014362974 (U.S. EPA ECHO) Agency record
Severity 3.8
L&M Radiator Inc., Yankton
Toxic chemical release facility (TRI). Chemicals: Copper. 5 lbs released over 5 years.
TRI facility ID 5707WLMRDT224WE (U.S. EPA Toxics Release Inventory)
Severity 3.6
Hydro Extrusions Llc, Yankton
Large hazardous waste generator.
EPA FRS registry ID 110000427716 (U.S. EPA ECHO) Agency record
Severity 3.5
Hydro Extrusions Llc, Yankton
NPDES wastewater discharge permit.
EPA FRS registry ID 110000427716 (U.S. EPA ECHO) Agency record
Severity 3.5
Kolberg-Pioneer Inc, Yankton
Major air pollution source.
EPA FRS registry ID 110000427725 (U.S. EPA ECHO) Agency record
Severity 3.5
Northwestern Energy Public Service Corporation - Yankton, Yankton
Major air pollution source.
EPA FRS registry ID 110007186151 (U.S. EPA ECHO) Agency record
Severity 3.5
Yankton, Yankton
Gas power plant.
Record ID 8034 (U.S. Energy Information Administration)
Severity 3
Jensen Scrap Yard Property, Yankton
Brownfield property.
EPA FRS registry ID 110038748013 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Block 47 And 70 - Property 2, Yankton
Brownfield property.
EPA FRS registry ID 110038749511 (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.

Federal Prison Camp Yankton, Yankton
EPA FRS registry ID
110004943991
Wastewater permit
None on record
EPA detailed facility report

Discovery / public records

Records to request for Yankton 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 Yankton 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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