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Bannock County, Idaho: environmental and disease records

Cancer mortality in Bannock County is 151.8 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 474 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (125), Rail grade crossing (113), NPDES wastewater discharge permit (77). 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: 42.6408, -112.1631.

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 Bannock County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	New cases	33.7	23.8	1.42xSignificant	28.5 to 39.6	2019-2023
Kidney & renal pelvis	Deaths	4.6	3.4	1.35x	2.9 to 7	2020-2024
Leukemia	New cases	16.8	14.5	1.16x	13.2 to 21	2019-2023
Liver & bile duct	Deaths	7.5	6.6	1.14x	5.2 to 10.4	2020-2024
Leukemia	Deaths	6.4	5.7	1.12x	4.2 to 9.2	2020-2024
Brain & nervous system	New cases	6.9	6.2	1.11x	4.6 to 9.9	2019-2023
Bladder	New cases	20.6	18.7	1.1x	16.6 to 25.4	2019-2023
Pancreas	New cases	15.2	13.9	1.09x	11.8 to 19.2	2019-2023
Non-Hodgkin lymphoma	Deaths	5.2	4.8	1.08x	3.3 to 7.8	2020-2024
All cancer	Deaths	151.8	143.2	1.06x	140.6 to 163.6	2020-2024
Liver & bile duct	New cases	9.2	8.7	1.06x	6.6 to 12.4	2019-2023
Esophagus	New cases	4.8	4.6	1.04x	3 to 7.2	2019-2023
Thyroid	New cases	13.4	13	1.03x	10 to 17.4	2019-2023
Kidney & renal pelvis	New cases	18.4	17.9	1.03x	14.7 to 22.7	2019-2023
All cancer	New cases	442.2	453.4	0.98x	423 to 462.1	2019-2023
Pancreas	Deaths	10.8	11.3	0.96x	8.1 to 14.2	2020-2024
Brain & nervous system	Deaths	4.2	4.4	0.95x	2.5 to 6.5	2020-2024
Non-Hodgkin lymphoma	New cases	17.5	18.5	0.95x	13.9 to 21.8	2019-2023
Stomach	New cases	6.1	6.6	0.92x	4 to 8.8	2019-2023
Lung & bronchus	Deaths	26.1	30.2	0.86x	21.7 to 31.2	2020-2024
Lung & bronchus	New cases	42.5	51.8	0.82x	36.9 to 48.9	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 Bannock County
Measure	County	U.S. median	Difference	Unit
Premature death	9,368.5	9,842.6	-5%	years of life lost before age 75 per 100,000
Life expectancy	75.2	75.3	-0%	years
Child mortality	42.6	59.8	-29%	deaths under age 18 per 100,000
Infant mortality	5.4	6.2	-13%	deaths under age 1 per 1,000 live births
Injury deaths	97.6	96.9	+1%	deaths per 100,000
Drug overdose deaths	27.4	28.6	-4%	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.

Formaldehyde11.19 per million
Carbon Tetrachloride2.56 per million
Acetaldehyde0.96 per million
Naphthalene0.86 per million

EPA Air Quality Index 2025

Monitored on 365 days: 324 good, 1 unhealthy for sensitive groups or worse. Median AQI 36, peak 111.

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge125
Rail grade crossing113
NPDES wastewater discharge permit77
Brownfield property43
Air permit holder (minor source)42
Gas station (mapped facility)31
Auto repair or body shop (mapped facility)11
Small hazardous waste generator6
EPA air quality monitor3
Public airport3
Large greenhouse gas emitter3
Hazardous waste transporter3
Scrapyard (mapped facility)3
Large hazardous waste generator2
Toxic chemical release facility (TRI)2
Major air pollution source1
Dry cleaner (mapped facility)1
Heliport1
Landfill (mapped facility)1
Biomass power plant1
Hydroelectric plant1
TRI reporting facility1

Highest-severity records

The 25 records with the highest Envyrofax severity in the county, with the agency identifier to cite in a records request.

J R Simplot Co Don Sid Ing, Pocatello
Toxic chemical release facility (TRI). Chemicals: Hydrogen fluoride, Vanadium compounds, Zinc compounds, Ammonia and 4 more. Reports carcinogens. 15,896,868 lbs released over 5 years.
TRI facility ID 83201JRSMPDONSI (U.S. EPA Toxics Release Inventory)
Severity 10
La Semiconductor Llc., Pocatello
Toxic chemical release facility (TRI). Chemicals: Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Nitric acid, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) and 1 more. 16,987 lbs released over 5 years.
TRI facility ID 83201MRCNM2300B (U.S. EPA Toxics Release Inventory)
Severity 6.2
On Semiconductor Inc, Pocatello
TRI reporting facility.
EPA FRS registry ID 110055553681 (U.S. EPA ECHO) Agency record
Severity 5.6
Pocatello City Wwtp, Pocatello
NPDES wastewater discharge permit.
EPA FRS registry ID 110000509398 (U.S. EPA ECHO) Agency record
Severity 5.5
Fort Hall Mine Road Landfill, Pocatello
Major air pollution source.
EPA FRS registry ID 110013948078 (U.S. EPA ECHO) Agency record
Severity 5.3
Fort Hall Mine Road Landfill, Pocatello
NPDES wastewater discharge permit.
EPA FRS registry ID 110013948078 (U.S. EPA ECHO) Agency record
Severity 4.8
Lava Hot Springs Wwtp, Lava Hot Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110039983872 (U.S. EPA ECHO) Agency record
Severity 4.5
Fort Hall Mine Road Landfill, Pocatello
Large greenhouse gas emitter.
EPA FRS registry ID 110013948078 (U.S. EPA ECHO) Agency record
Severity 4.3
Vtcu, Pocatello
Small hazardous waste generator. Penalties $10,435.
EPA FRS registry ID 110006851406 (U.S. EPA ECHO) Agency record
Severity 3.8
Idaho State University, Pocatello
Large hazardous waste generator.
EPA FRS registry ID 110001806216 (U.S. EPA ECHO) Agency record
Severity 3.3
Poky Free Bikes, Pocatello
Brownfield property.
EPA FRS registry ID 110038760506 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Audrey Jim, Fort Hall
Brownfield property.
EPA FRS registry ID 110038763763 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Yvonne Cortez, Fort Hall
Brownfield property.
EPA FRS registry ID 110038763790 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Audrey Ponzo, Fort Hall
Brownfield property.
EPA FRS registry ID 110038763825 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tribal Courts Building 3, Fort Hall
Brownfield property.
EPA FRS registry ID 110039063385 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Putnam Lodge Ross Fork District, Fort Hall
Brownfield property.
EPA FRS registry ID 110043243077 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Gh 2012, Pocatello
Brownfield property.
EPA FRS registry ID 110071963692 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Building 63, Pocatello
Brownfield property.
EPA FRS registry ID 110071963696 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Baker Morgan, Pocatello
Brownfield property.
EPA FRS registry ID 110071965256 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Marsh Valley Hospital, Downey
Brownfield property.
EPA FRS registry ID 110071966028 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Leona Jim, Fort Hall
Brownfield property.
EPA FRS registry ID 110071966032 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Fort Hall Community District Lodge, Buffalo Lodge, Fort Hall
Brownfield property.
EPA FRS registry ID 110071967963 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Ryan Waterhouse, Fort Hall
Brownfield property.
EPA FRS registry ID 110071970357 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Kenas Akers, Pocatello
Brownfield property.
EPA FRS registry ID 110071971291 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Harris, Fort Hall
Brownfield property.
EPA FRS registry ID 110071971292 (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.

No correctional facility with an EPA record is located in this county.

Discovery / public records

Records to request for Bannock 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 Bannock 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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