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Roberts County, South Dakota: environmental and disease records

Cancer mortality in Roberts County is 146.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 160 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (99), NPDES wastewater discharge permit (27), Brownfield property (12). 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: 45.6171, -97.0396.

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 Roberts County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Kidney & renal pelvis	New cases	23.9	17.9	1.34x	13.4 to 39.9	2019-2023
Lung & bronchus	Deaths	35.2	30.2	1.17x	23.3 to 52.2	2020-2024
Lung & bronchus	New cases	57.3	51.8	1.11x	41 to 78.7	2019-2023
All cancer	Deaths	146.3	143.2	1.02x	119 to 178.5	2020-2024
All cancer	New cases	397.6	453.4	0.88x	349.3 to 451.2	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 Roberts County
Measure	County	U.S. median	Difference	Unit
Premature death	15,877.9	9,842.6	+61%	years of life lost before age 75 per 100,000
Life expectancy	72.2	75.3	-4%	years
Child mortality	138.3	59.8	+131%	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	126.2	96.9	+30%	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.

Formaldehyde11.69 per million
Carbon Tetrachloride2.94 per million
Acetaldehyde0.91 per million
Benzene0.58 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing99
NPDES wastewater discharge permit27
Brownfield property12
Gas station (mapped facility)8
Auto repair or body shop (mapped facility)3
Major air pollution source2
Public airport2
TRI reporting facility2
Toxic chemical release facility (TRI)2
Large greenhouse gas emitter1
Large hazardous waste generator1
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.

Red River Energy Llc, Rosholt
Toxic chemical release facility (TRI). Chemicals: Acetaldehyde, n-Hexane, Methanol, Formaldehyde and 4 more. Reports carcinogens. 92,760 lbs released over 5 years.
TRI facility ID 57260TRSTT47333 (U.S. EPA Toxics Release Inventory)
Severity 8.3
Woodland Cabinetry Inc, Sisseton
Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), Methanol, n-Butyl alcohol. 130,369 lbs released over 5 years.
TRI facility ID 57262WDLND2415E (U.S. EPA Toxics Release Inventory)
Severity 6.9
Red River Energy Llc, Rosholt
TRI reporting facility.
EPA FRS registry ID 110012173263 (U.S. EPA ECHO) Agency record
Severity 6.4
Woodland Cabinetry, Sisseton
TRI reporting facility.
EPA FRS registry ID 110044359146 (U.S. EPA ECHO) Agency record
Severity 6.3
Red River Energy Llc, Rosholt
Major air pollution source.
EPA FRS registry ID 110012173263 (U.S. EPA ECHO) Agency record
Severity 4
Woodland Cabinetry, Sisseton
Major air pollution source.
EPA FRS registry ID 110044359146 (U.S. EPA ECHO) Agency record
Severity 3.8
Red River Energy Llc, Rosholt
NPDES wastewater discharge permit.
EPA FRS registry ID 110012173263 (U.S. EPA ECHO) Agency record
Severity 3.5
Woodland Cabinetry, Sisseton
Large hazardous waste generator.
EPA FRS registry ID 110044359146 (U.S. EPA ECHO) Agency record
Severity 3.3
Long Hollow Open Dump West, Sisseton
Brownfield property.
EPA FRS registry ID 110038701296 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Little Minnesota Open Dump, Sisseton
Brownfield property.
EPA FRS registry ID 110038701919 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Long Hollow Open Dump East, Unicorporated Roberts County
Brownfield property.
EPA FRS registry ID 110061012167 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tekakwitha Vicarage Property, Sisseton
Brownfield property.
EPA FRS registry ID 110071968890 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tekakwitha Old Orphanage/ Boarding School Complex, Peever
Brownfield property.
EPA FRS registry ID 110071970430 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Joe Robbie Building, Sisseton
Brownfield property.
EPA FRS registry ID 110071971453 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tiospa Zina Former High School And Grade School, Sisseton
Brownfield property.
EPA FRS registry ID 110071971473 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Drake House, Waubay
Brownfield property.
EPA FRS registry ID 110071972470 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tiospa Zina Former High School And Grade School, Sisseton
Brownfield property.
EPA FRS registry ID 110071983973 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Air Force Base Duplex, Sisseton
Brownfield property.
EPA FRS registry ID 110071985982 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Carnegie Library, Sisseton
Brownfield property.
EPA FRS registry ID 110071985983 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
1st Ave And Cherry St, Sisseton
Brownfield property.
EPA FRS registry ID 110071985984 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Red River Energy Llc, Rosholt
Large greenhouse gas emitter.
EPA FRS registry ID 110012173263 (U.S. EPA ECHO) Agency record
Severity 3
Summit, Town Of, Summit
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791243 (U.S. EPA ECHO) Agency record
Severity 2.5
New Effington, Town Of, New Effington
NPDES wastewater discharge permit.
EPA FRS registry ID 110009705355 (U.S. EPA ECHO) Agency record
Severity 2.3
Wilmot, City Of, Wilmot
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791804 (U.S. EPA ECHO) Agency record
Severity 2.3
Corona, Town Of, Corona
NPDES wastewater discharge permit.
EPA FRS registry ID 110009791573 (U.S. EPA ECHO) Agency record
Severity 2

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 Roberts 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 Roberts 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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