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Fall River County, South Dakota: environmental and disease records

Cancer mortality in Fall River County is 187.7 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. Federal databases place 110 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (68), NPDES wastewater discharge permit (19), Gas station (mapped facility) (9). 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: 43.2629, -103.5274.

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 Fall River County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Bladder	New cases	25	18.7	1.34x	14.6 to 43.6	2019-2023
All cancer	Deaths	187.7	143.2	1.31xSignificant	155.9 to 226.4	2020-2024
Melanoma of the skin	New cases	27.4	23.8	1.15x	14.1 to 50.3	2019-2023
Lung & bronchus	Deaths	34.3	30.2	1.14x	21.8 to 54.7	2020-2024
Lung & bronchus	New cases	53.1	51.8	1.03x	37.9 to 75.7	2019-2023
All cancer	New cases	451.4	453.4	1x	397.6 to 512.3	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 Fall River County
Measure	County	U.S. median	Difference	Unit
Premature death	12,518.8	9,842.6	+27%	years of life lost before age 75 per 100,000
Life expectancy	72.9	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	141	96.9	+45%	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.

Formaldehyde10.67 per million
Carbon Tetrachloride2.67 per million
Acetaldehyde0.74 per million
Benzene0.48 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing68
NPDES wastewater discharge permit19
Gas station (mapped facility)9
Public airport6
Air permit holder (minor source)2
Brownfield property2
Commercial airport1
Auto repair or body shop (mapped facility)1
Heliport1
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.

Hot Springs, City Of, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110000735786 (U.S. EPA ECHO) Agency record
Severity 5.8
Prairie Hills Transit, Hot Springs
Brownfield property.
EPA FRS registry ID 110071978713 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Abandoned Water Fill Station, Hot Springs
Brownfield property.
EPA FRS registry ID 110071985049 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Edgemont Muni, Edgemont
Public airport. O.
Record ID 6V0 (FAA / U.S. DOT)
Severity 2
Hot Springs Muni, Hot Springs
Commercial airport. O.
Record ID HSR (FAA / U.S. DOT)
Severity 2
Wastewater Plant, Hot Springs
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID relation/18519201 (OpenStreetMap contributors) Agency record
Severity 2
Evans Plunge (Hot Springs, City Of), Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791118 (U.S. EPA ECHO) Agency record
Severity 1.8
Hot Springs, City Of, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692720 (U.S. EPA ECHO) Agency record
Severity 1.5
Edgemont, City Of (Wtp), Edgemont
NPDES wastewater discharge permit.
EPA FRS registry ID 110009692573 (U.S. EPA ECHO) Agency record
Severity 1.5
Pete Lien & Sons, Inc. D/B/A Birdsall Sand & Gravel Company, Oral
NPDES wastewater discharge permit.
EPA FRS registry ID 110009705097 (U.S. EPA ECHO) Agency record
Severity 1.5
Va Medical Distribution (Wtp), Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110012859674 (U.S. EPA ECHO) Agency record
Severity 1.5
Simunek Utility, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110032598384 (U.S. EPA ECHO) Agency record
Severity 1.5
Oelrichs Water Distribution (Wtp), Oelrichs
NPDES wastewater discharge permit.
EPA FRS registry ID 110042378986 (U.S. EPA ECHO) Agency record
Severity 1.5
Oelrichs School, Oelrichs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071276471 (U.S. EPA ECHO) Agency record
Severity 1.5
Fall River Ranch Rv Resort, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071321085 (U.S. EPA ECHO) Agency record
Severity 1.5
Fall River Solar Facility, Oelrichs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071321544 (U.S. EPA ECHO) Agency record
Severity 1.5
Angostura Resort, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071538961 (U.S. EPA ECHO) Agency record
Severity 1.5
Angostura Dam Spillway Concrete Repairs, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071929002 (U.S. EPA ECHO) Agency record
Severity 1.5
T25001 - Hot Springs - Shep'S Canyon Ftth Upgrade 2025, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110071946730 (U.S. EPA ECHO) Agency record
Severity 1.5
Fall River Hot Springs Campground (J&J Ellis), Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110072133065 (U.S. EPA ECHO) Agency record
Severity 1.5
Minnekahta Ave. Structure Replacement, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110072146254 (U.S. EPA ECHO) Agency record
Severity 1.5
Rivers Bend Campground, Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110072150961 (U.S. EPA ECHO) Agency record
Severity 1.5
Pcn 02r1-07a1, Edgemont
NPDES wastewater discharge permit.
EPA FRS registry ID 110072184551 (U.S. EPA ECHO) Agency record
Severity 1.5
Hwy 471 Stockpile / Borrow Site, Edgemont
NPDES wastewater discharge permit.
EPA FRS registry ID 110072221095 (U.S. EPA ECHO) Agency record
Severity 1.5
Private Road, Ardmore
Rail grade crossing.
Record ID 064857P (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 Fall River 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 Fall River 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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