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Oneida County, Idaho: environmental and disease records

Cancer mortality in Oneida County is 131.8 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 50 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (38), Gas station (mapped facility) (5), Air permit holder (minor source) (2). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 10 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: 42.249, -112.5426.

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 Oneida County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	New cases	442.8	453.4	0.98x	368.5 to 528.6	2019-2023
All cancer	Deaths	131.8	143.2	0.92x	95.3 to 179.2	2020-2024

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 Oneida County
Measure	County	U.S. median	Difference	Unit
Premature death	6,760	9,842.6	-31%	years of life lost before age 75 per 100,000
Life expectancy	78.6	75.3	+4%	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	109.4	96.9	+13%	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: 10 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde9.24 per million
Carbon Tetrachloride2.53 per million
Acetaldehyde0.68 per million
Pahpom0.49 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing38
Gas station (mapped facility)5
Air permit holder (minor source)2
NPDES wastewater discharge permit2
Commercial airport1
Brownfield property1
Industrial wastewater discharge1

Highest-severity records

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

Malad High School, Malad
Brownfield property.
EPA FRS registry ID 110071967899 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Malad City, Malad City
Commercial airport. O.
Record ID MLD (FAA / U.S. DOT)
Severity 2
Oneida School District 351, Malad City
NPDES wastewater discharge permit.
EPA FRS registry ID 110010647434 (U.S. EPA ECHO) Agency record
Severity 1.5
Malad City Wastewater Treatment Upgrades, Malad
NPDES wastewater discharge permit.
EPA FRS registry ID 110071256270 (U.S. EPA ECHO) Agency record
Severity 1.5
Sh-38/Depot Street, Malad City
Rail grade crossing.
Record ID 806610M (Federal Railroad Administration)
Severity 1.2
Bush Avenue, Malad City
Rail grade crossing.
Record ID 806611U (Federal Railroad Administration)
Severity 1.2
W Samaria Ln, Malad City
Rail grade crossing.
Record ID 981616F (Federal Railroad Administration)
Severity 1.2
Bannock St, Malad City
Rail grade crossing.
Record ID 981617M (Federal Railroad Administration)
Severity 1.2
W 445 N, Malad City
Rail grade crossing.
Record ID 981618U (Federal Railroad Administration)
Severity 1.2
Hess Pumice Products Inc, Malad
Air permit holder (minor source).
EPA FRS registry ID 110001687078 (U.S. EPA ECHO) Agency record
Severity 1
Idaho Minerals Llc, Malad City
Air permit holder (minor source).
EPA FRS registry ID 110001806341 (U.S. EPA ECHO) Agency record
Severity 1
Private Field, Malad City
Rail grade crossing.
Record ID 806563G (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806564N (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806565V (Federal Railroad Administration)
Severity 1
Woodruff Lane/ 10700 South, Malad City
Rail grade crossing.
Record ID 806567J (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806571Y (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806577P (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806578W (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806579D (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806580X (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806582L (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806583T (Federal Railroad Administration)
Severity 1
Samaria Road/ 6700 South, Malad City
Rail grade crossing.
Record ID 806585G (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806587V (Federal Railroad Administration)
Severity 1
Private, Malad City
Rail grade crossing.
Record ID 806588C (Federal Railroad Administration)
Severity 1

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 Oneida 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 Oneida 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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