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Elmore County, Idaho: environmental and disease records

Cancer mortality in Elmore County is 156.1 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Lung & bronchus deaths at 1.4 times the U.S. rate. Federal databases place 249 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (64), NPDES wastewater discharge permit (47), Rail grade crossing (44). 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: 43.4582, -115.5291.

How this county ranks in Idaho

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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 Elmore County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Bladder	New cases	29.1	18.7	1.56xSignificant	21.1 to 39.2	2019-2023
Lung & bronchus	Deaths	42.3	30.2	1.4xSignificant	32.6 to 54.1	2020-2024
Kidney & renal pelvis	New cases	24.8	17.9	1.39x	17.2 to 34.6	2019-2023
Lung & bronchus	New cases	68.5	51.8	1.32xSignificant	56 to 82.9	2019-2023
Liver & bile duct	New cases	11.1	8.7	1.28x	6.6 to 17.8	2019-2023
Non-Hodgkin lymphoma	New cases	23	18.5	1.24x	15.8 to 32.4	2019-2023
Leukemia	New cases	17.8	14.5	1.23x	11.7 to 26.2	2019-2023
Pancreas	New cases	16.7	13.9	1.2x	10.9 to 24.6	2019-2023
Thyroid	New cases	15.6	13	1.2x	9.5 to 24.1	2019-2023
Pancreas	Deaths	13	11.3	1.15x	8 to 20.1	2020-2024
All cancer	New cases	517.7	453.4	1.14xSignificant	481.2 to 556.3	2019-2023
All cancer	Deaths	156.1	143.2	1.09x	136.6 to 177.7	2020-2024
Melanoma of the skin	New cases	20.6	23.8	0.87x	13.8 to 29.5	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 Elmore County
Measure	County	U.S. median	Difference	Unit
Premature death	7,344.4	9,842.6	-25%	years of life lost before age 75 per 100,000
Life expectancy	77.4	75.3	+3%	years
Child mortality	58.9	59.8	-1%	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	76.2	96.9	-21%	deaths per 100,000
Drug overdose deaths	14	28.6	-51%	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.

Formaldehyde13.66 per million
Carbon Tetrachloride2.72 per million
Naphthalene1.64 per million
Acetaldehyde1.57 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge64
NPDES wastewater discharge permit47
Rail grade crossing44
Air permit holder (minor source)24
Gas station (mapped facility)14
Public airport13
Wind power plant10
Hazardous waste transporter5
Major air pollution source4
Heliport3
Auto repair or body shop (mapped facility)2
Brownfield property2
Large greenhouse gas emitter2
Small hazardous waste generator2
Hydroelectric plant2
Gas power plant2
Solar power plant2
Toxic chemical release facility (TRI)2
Commercial airport1
Large hazardous waste generator1
Superfund (NPL) site1
TRI reporting facility1
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.

Mountain Home Air Force Base, Mountain Home
Superfund (NPL) site. Hazard Ranking System score 57.8. NPL Site.
EPA site ID ID3572124557 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
Us Dod Usaf Mountain Home Afb, Mountain Home Afb
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Naphthalene. Reports carcinogens. 149,232 lbs released over 5 years.
TRI facility ID 83648SRFRC11LIB (U.S. EPA Toxics Release Inventory)
Severity 8.5
Mountain Home Air Force Base Usaf, Mountain Home Afb
TRI reporting facility.
EPA FRS registry ID 110022448298 (U.S. EPA ECHO) Agency record
Severity 7.5
Us Dod Usaf Small Arms Range, Mountain Home Afb
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 3,253 lbs released over 5 years.
TRI facility ID 8364WSDDSF198SM (U.S. EPA Toxics Release Inventory)
Severity 7.2
Davis Aquaculture, Bruneau
NPDES wastewater discharge permit. Penalties $45,250.
EPA FRS registry ID 110070686295 (U.S. EPA ECHO) Agency record
Severity 5.5
Mountain Home Air Force Base Usaf, Mountain Home Afb
Major air pollution source.
EPA FRS registry ID 110022448298 (U.S. EPA ECHO) Agency record
Severity 5
Mountain Home Air Force Base Usaf, Mountain Home Afb
Large hazardous waste generator.
EPA FRS registry ID 110022448298 (U.S. EPA ECHO) Agency record
Severity 4.5
Mountain Home Air Force Base Usaf, Mountain Home Afb
NPDES wastewater discharge permit.
EPA FRS registry ID 110022448298 (U.S. EPA ECHO) Agency record
Severity 4.5
Atlanta Gold Corporation Of America Inc - Atlanta Gold Project, Atlanta
NPDES wastewater discharge permit.
EPA FRS registry ID 110024568751 (U.S. EPA ECHO) Agency record
Severity 4.5
Arraina Inc, Bruneau
NPDES wastewater discharge permit.
EPA FRS registry ID 110070884899 (U.S. EPA ECHO) Agency record
Severity 4.5
Falcon'S Landing - Phase 1, Mountain Home
NPDES wastewater discharge permit. Penalties $2,025.
EPA FRS registry ID 110071505364 (U.S. EPA ECHO) Agency record
Severity 4.3
Simplot Livestock Grand View, Grand View
Air permit holder (minor source).
EPA FRS registry ID 110007513342 (U.S. EPA ECHO) Agency record
Severity 3.8
Nw Pipeline Mountain Home Compressor Station, Glenns Ferry
Major air pollution source.
EPA FRS registry ID 110007513253 (U.S. EPA ECHO) Agency record
Severity 3.5
Evander Andrews Power Complex, Mountain Home
Major air pollution source.
EPA FRS registry ID 110012152053 (U.S. EPA ECHO) Agency record
Severity 3.5
Bennett Mountain Power Project, Mountain Home
Major air pollution source.
EPA FRS registry ID 110013329558 (U.S. EPA ECHO) Agency record
Severity 3.5
Evander Andrews Power Complex, Mountain Home
Gas power plant.
Record ID 7953 (U.S. Energy Information Administration)
Severity 3.3
Bennett Mountain, Mountain Home
Gas power plant.
Record ID 55733 (U.S. Energy Information Administration)
Severity 3.2
Former Glenns Ferry High School, Glenns Ferry
Brownfield property.
EPA FRS registry ID 110071983328 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Glenns Ferry Historical Museum, Glenns Ferry
Brownfield property.
EPA FRS registry ID 110071987367 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Glenns Ferry Wwtp, Glenns Ferry
NPDES wastewater discharge permit.
EPA FRS registry ID 110011630510 (U.S. EPA ECHO) Agency record
Severity 3
Elk Valley Subdivision Wwtp, Pine
NPDES wastewater discharge permit.
EPA FRS registry ID 110010026257 (U.S. EPA ECHO) Agency record
Severity 2.8
Bliss Dam And Power Plant, Bliss
NPDES wastewater discharge permit. Penalties $436,800.
EPA FRS registry ID 110028017198 (U.S. EPA ECHO) Agency record
Severity 2.8
Cj Strike Dam, Bruneau
NPDES wastewater discharge permit. Penalties $72,800.
EPA FRS registry ID 110028017232 (U.S. EPA ECHO) Agency record
Severity 2.8
Bennett Mountain Power Project, Mountain Home
Large greenhouse gas emitter.
EPA FRS registry ID 110013329558 (U.S. EPA ECHO) Agency record
Severity 2.5
Simco Road Regional Landfill, Mayfield
Large greenhouse gas emitter.
EPA FRS registry ID 110054620665 (U.S. EPA ECHO) Agency record
Severity 2.5

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 Elmore County

Idaho 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 Elmore County, and their findings.
Idaho vital statistics office
Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.
Idaho health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
Idaho 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.
Idaho 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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