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Minidoka County, Idaho: environmental and disease records

Cancer mortality in Minidoka County is 139.7 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 184 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (71), Industrial wastewater discharge (49), NPDES wastewater discharge permit (20). 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: 42.8576, -113.5636.

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 Minidoka County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Thyroid	New cases	14.9	13	1.15x	8.5 to 24.2	2019-2023
Pancreas	Deaths	12.5	11.3	1.11x	7.2 to 20.3	2020-2024
Melanoma of the skin	New cases	24.6	23.8	1.03x	16.5 to 35.2	2019-2023
All cancer	Deaths	139.7	143.2	0.98x	119.8 to 162	2020-2024
Kidney & renal pelvis	New cases	17.1	17.9	0.96x	10.7 to 26.1	2019-2023
Leukemia	New cases	13.8	14.5	0.95x	8 to 22.3	2019-2023
Pancreas	New cases	13.2	13.9	0.95x	7.7 to 21.2	2019-2023
All cancer	New cases	418.1	453.4	0.92x	382.4 to 456.2	2019-2023
Non-Hodgkin lymphoma	New cases	16.1	18.5	0.87x	10 to 24.8	2019-2023
Lung & bronchus	Deaths	25.3	30.2	0.84x	17.4 to 35.8	2020-2024
Lung & bronchus	New cases	42.8	51.8	0.83x	32.1 to 56.1	2019-2023
Bladder	New cases	13.6	18.7	0.73x	8 to 21.8	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 Minidoka County
Measure	County	U.S. median	Difference	Unit
Premature death	8,412.7	9,842.6	-15%	years of life lost before age 75 per 100,000
Life expectancy	77	75.3	+2%	years
Child mortality	63.5	59.8	+6%	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	98.9	96.9	+2%	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.

Formaldehyde11.93 per million
Carbon Tetrachloride2.63 per million
Acetaldehyde1.24 per million
Naphthalene0.91 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing71
Industrial wastewater discharge49
NPDES wastewater discharge permit20
Air permit holder (minor source)19
Gas station (mapped facility)12
TRI reporting facility3
Toxic chemical release facility (TRI)3
Major air pollution source1
Brownfield property1
Large greenhouse gas emitter1
Small hazardous waste generator1
Heliport1
Hydroelectric plant1
Scrapyard (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.

The Amalgamated Sugar Company Mini-Cassia, Paul
TRI reporting facility.
EPA FRS registry ID 110000468431 (U.S. EPA ECHO) Agency record
Severity 8.7
Amalgamated Sugar Co, Paul
Toxic chemical release facility (TRI). Chemicals: Ammonia, Methanol, Mercury. 10,057,516 lbs released over 5 years.
TRI facility ID 83347MLGMT500WE (U.S. EPA Toxics Release Inventory)
Severity 8.4
The Amalgamated Sugar Company Mini-Cassia, Paul
Major air pollution source.
EPA FRS registry ID 110000468431 (U.S. EPA ECHO) Agency record
Severity 5.3
The Amalgamated Sugar Company Mini-Cassia, Paul
NPDES wastewater discharge permit.
EPA FRS registry ID 110000468431 (U.S. EPA ECHO) Agency record
Severity 4.8
Rupert Feed Mill, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110071345650 (U.S. EPA ECHO) Agency record
Severity 4.5
The Amalgamated Sugar Company Mini-Cassia, Paul
Large greenhouse gas emitter.
EPA FRS registry ID 110000468431 (U.S. EPA ECHO) Agency record
Severity 4.3
Paul Housing Authority, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110010026783 (U.S. EPA ECHO) Agency record
Severity 4.3
Mart Produce-Treatment Plant, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110054019085 (U.S. EPA ECHO) Agency record
Severity 4.3
Gossner Foods, Heyburn
TRI reporting facility.
EPA FRS registry ID 110060259438 (U.S. EPA ECHO) Agency record
Severity 4
Performix Nutrition Systems, Rupert
TRI reporting facility.
EPA FRS registry ID 110070070266 (U.S. EPA ECHO) Agency record
Severity 4
Heyburn Wwtp, Heyburn
NPDES wastewater discharge permit.
EPA FRS registry ID 110005781895 (U.S. EPA ECHO) Agency record
Severity 3.3
Double L, Heyburn
Small hazardous waste generator. Penalties $4,000.
EPA FRS registry ID 110056295085 (U.S. EPA ECHO) Agency record
Severity 3.3
Burley-Heyburn Industrial Park, Heyburn
Brownfield property.
EPA FRS registry ID 110039219486 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Gossner Foods - Magic Valley Inc., Heyburn
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid.
TRI facility ID 8333WGSSNR1217T (U.S. EPA Toxics Release Inventory)
Severity 3
Performix Nutrition Systems Llc, Rupert
Toxic chemical release facility (TRI). Chemicals: Copper compounds, Manganese compounds, Zinc compounds.
TRI facility ID 8335WPRFRM235WE (U.S. EPA Toxics Release Inventory)
Severity 3
Double L, Heyburn
Air permit holder (minor source). Penalties $4,000.
EPA FRS registry ID 110056295085 (U.S. EPA ECHO) Agency record
Severity 2.8
Gem State Processing, Heyburn
Air permit holder (minor source). Penalties $480.
EPA FRS registry ID 110043324042 (U.S. EPA ECHO) Agency record
Severity 2
Handy Truck Line, Heyburn
Air permit holder (minor source). Penalties $4,250.
EPA FRS registry ID 110046364340 (U.S. EPA ECHO) Agency record
Severity 2
World Wide Dehydrated Foods, Heyburn
Air permit holder (minor source). Penalties $4,000.
EPA FRS registry ID 110071468354 (U.S. EPA ECHO) Agency record
Severity 2
Cargill Animal Nutrition, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110024942703 (U.S. EPA ECHO) Agency record
Severity 1.5
Gossner Foods, Heyburn
NPDES wastewater discharge permit.
EPA FRS registry ID 110060259438 (U.S. EPA ECHO) Agency record
Severity 1.5
Eastern Idaho Railroad--Rupert Depot, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110069995439 (U.S. EPA ECHO) Agency record
Severity 1.5
Minidoka Switchyard Modernization Project, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110070546461 (U.S. EPA ECHO) Agency record
Severity 1.5
Dpw #18-257 U Of I Idaho Cafe Research Dairy, Rupert
NPDES wastewater discharge permit.
EPA FRS registry ID 110071427753 (U.S. EPA ECHO) Agency record
Severity 1.5
Itd D4 Kn 23345 - I-84, Heyburn Ic, Heyburn
NPDES wastewater discharge permit.
EPA FRS registry ID 110071667938 (U.S. EPA ECHO) Agency record
Severity 1.5

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 Minidoka 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 Minidoka 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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