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Edmunds County, South Dakota: environmental and disease records

Cancer mortality in Edmunds County is 124.1 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 82 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (51), NPDES wastewater discharge permit (14), 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: 45.4186, -99.2152.

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 Edmunds County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	Deaths	124.1	143.2	0.87x	88.6 to 171.8	2020-2024
All cancer	New cases	358.6	453.4	0.79x	291.9 to 437.9	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 Edmunds County
Measure	County	U.S. median	Difference	Unit
Premature death	6,205.6	9,842.6	-37%	years of life lost before age 75 per 100,000
Life expectancy	79.1	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	76.5	96.9	-21%	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.

Formaldehyde11.22 per million
Carbon Tetrachloride2.9 per million
Acetaldehyde0.84 per million
Benzene0.54 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing51
NPDES wastewater discharge permit14
Gas station (mapped facility)5
Air permit holder (minor source)3
Public airport3
Major air pollution source2
Brownfield property1
Large greenhouse gas emitter1
TRI reporting facility1
Toxic chemical release facility (TRI)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.

Aberdeen Energy Llc, Mina
Toxic chemical release facility (TRI). Chemicals: Ammonia, Acetaldehyde, n-Hexane, Methanol and 4 more. Reports carcinogens. 155,141 lbs released over 5 years.
TRI facility ID 5745WBRDNN13435 (U.S. EPA Toxics Release Inventory)
Severity 8.5
Aberdeen Energy Llc, Mina
TRI reporting facility.
EPA FRS registry ID 110038367228 (U.S. EPA ECHO) Agency record
Severity 8
Aberdeen Energy Llc, Mina
Major air pollution source.
EPA FRS registry ID 110038367228 (U.S. EPA ECHO) Agency record
Severity 5.5
Aberdeen Energy Llc, Mina
NPDES wastewater discharge permit.
EPA FRS registry ID 110038367228 (U.S. EPA ECHO) Agency record
Severity 5
Aberdeen Energy Llc, Mina
Large greenhouse gas emitter.
EPA FRS registry ID 110038367228 (U.S. EPA ECHO) Agency record
Severity 4.5
Roscoe, City Of, Roscoe
NPDES wastewater discharge permit.
EPA FRS registry ID 110010952521 (U.S. EPA ECHO) Agency record
Severity 3.8
Northern Border Pipeline Comp Stn 9, Ipswich
Major air pollution source.
EPA FRS registry ID 110006435107 (U.S. EPA ECHO) Agency record
Severity 3.5
Commercial Buildings, Bowdle
Brownfield property.
EPA FRS registry ID 110072135791 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Ipswich, City Of, Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110006692301 (U.S. EPA ECHO) Agency record
Severity 2.3
Bowdle Muni, Bowdle
Public airport. O.
Record ID 8SD (FAA / U.S. DOT)
Severity 2
Bowdle, City Of, Bowdle
NPDES wastewater discharge permit.
EPA FRS registry ID 110024811676 (U.S. EPA ECHO) Agency record
Severity 1.5
Mina Lake Sanitary District, Mina
NPDES wastewater discharge permit.
EPA FRS registry ID 110039703158 (U.S. EPA ECHO) Agency record
Severity 1.5
Ipswich, City Of (Wtp), Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110056352147 (U.S. EPA ECHO) Agency record
Severity 1.5
Deerfield Hutterian Brethren Inc., Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110064599288 (U.S. EPA ECHO) Agency record
Severity 1.5
Hosmer, City Of, Hosmer
NPDES wastewater discharge permit.
EPA FRS registry ID 110070627296 (U.S. EPA ECHO) Agency record
Severity 1.5
Ipswich Channel Cleaning, Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110071405551 (U.S. EPA ECHO) Agency record
Severity 1.5
Ipswich Force Main - Sanitary Sewer Force Main, Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110071545031 (U.S. EPA ECHO) Agency record
Severity 1.5
Bowdle Sanitary Sewer Improvements Phase Iii, Bowdle
NPDES wastewater discharge permit.
EPA FRS registry ID 110071898898 (U.S. EPA ECHO) Agency record
Severity 1.5
Century Swine Re, Llc, Roscoe
NPDES wastewater discharge permit.
EPA FRS registry ID 110071958836 (U.S. EPA ECHO) Agency record
Severity 1.5
Web Wins - Bowdle & Spring Lake Mainline, Bowdle
NPDES wastewater discharge permit.
EPA FRS registry ID 110071995682 (U.S. EPA ECHO) Agency record
Severity 1.5
Sw Drainage Improvements - Phase 2, Ipswich
NPDES wastewater discharge permit.
EPA FRS registry ID 110072165893 (U.S. EPA ECHO) Agency record
Severity 1.5
Private, Roscoe
Rail grade crossing.
Record ID 101665A (Federal Railroad Administration)
Severity 1.3
Nesbitt Dr, Mina
Rail grade crossing.
Record ID 393787J (Federal Railroad Administration)
Severity 1.3
371st Avenue, Mina
Rail grade crossing.
Record ID 393789X (Federal Railroad Administration)
Severity 1.3
370th Avenue, Mina
Rail grade crossing.
Record ID 393790S (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 Edmunds 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 Edmunds 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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