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Clearwater County, Idaho: environmental and disease records

Cancer mortality in Clearwater County is 164.2 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 120 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (43), NPDES wastewater discharge permit (31), Rail grade crossing (25). 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: 46.6119, -115.5968.

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 Clearwater County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Bladder	New cases	27.2	18.7	1.45x	17.3 to 43.3	2019-2023
Lung & bronchus	Deaths	38.4	30.2	1.27x	26.7 to 55.7	2020-2024
Non-Hodgkin lymphoma	New cases	23.1	18.5	1.25x	13.2 to 39.6	2019-2023
Lung & bronchus	New cases	61.9	51.8	1.19x	46.8 to 82.6	2019-2023
All cancer	Deaths	164.2	143.2	1.15x	139 to 194.5	2020-2024
Melanoma of the skin	New cases	26.4	23.8	1.11x	14.7 to 45	2019-2023
All cancer	New cases	464.2	453.4	1.02x	416.3 to 517.5	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 Clearwater County
Measure	County	U.S. median	Difference	Unit
Premature death	10,737	9,842.6	+9%	years of life lost before age 75 per 100,000
Life expectancy	75.9	75.3	+1%	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	115.2	96.9	+19%	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.

Formaldehyde15.26 per million
Carbon Tetrachloride2.78 per million
Acetaldehyde2.13 per million
Naphthalene1.37 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge43
NPDES wastewater discharge permit31
Rail grade crossing25
Air permit holder (minor source)7
Public airport7
Heliport2
Hydroelectric plant2
Brownfield property1
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.

Ahsahka Wastewater Treatment Plant, Orofino
NPDES wastewater discharge permit. Penalties $775.
EPA FRS registry ID 110010026774 (U.S. EPA ECHO) Agency record
Severity 5.5
Riverside Water And Sewer District Wwtp, Orofino
NPDES wastewater discharge permit. Penalties $1,472.
EPA FRS registry ID 110010829238 (U.S. EPA ECHO) Agency record
Severity 5.5
Empire Lumber Co Weippe Operations, Weippe
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 10 lbs released over 5 years.
TRI facility ID 83553MPRLM266TH (U.S. EPA Toxics Release Inventory)
Severity 5.3
Riverside Water And Sewer District - Wtp, Orofino
NPDES wastewater discharge permit.
EPA FRS registry ID 110071819266 (U.S. EPA ECHO) Agency record
Severity 4.5
Empire Lumber Weippe Operations, Weippe
TRI reporting facility.
EPA FRS registry ID 110055248995 (U.S. EPA ECHO) Agency record
Severity 4.5
Pierce Wwtp, Pierce
NPDES wastewater discharge permit. Penalties $1,656.
EPA FRS registry ID 110006676338 (U.S. EPA ECHO) Agency record
Severity 4.3
Us Army Corps Of Engineers - Dworshak Dam, Ahsahka
NPDES wastewater discharge permit.
EPA FRS registry ID 110070685905 (U.S. EPA ECHO) Agency record
Severity 3.8
Tribal Unit 45 (Tu45), Orofino
Brownfield property.
EPA FRS registry ID 110071966787 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Pierce, City Of - Pierce Drinking Wtp, Pierce
NPDES wastewater discharge permit.
EPA FRS registry ID 110010027112 (U.S. EPA ECHO) Agency record
Severity 2.3
Us Army Corps Of Engineers - Dworshak Dam, Ahsahka
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit ID0028586: (U.S. EPA NPDES)
Severity 2.1
Riverside Water And Sewer District - Wtp, Orofino
Industrial wastewater discharge. Violation Identified.
NPDES permit ID0021237: (U.S. EPA NPDES)
Severity 2
Weippe Wwtp, Weippe
NPDES wastewater discharge permit.
EPA FRS registry ID 110010027416 (U.S. EPA ECHO) Agency record
Severity 2
Elk River Stp, Elk River
NPDES wastewater discharge permit.
EPA FRS registry ID 110039882641 (U.S. EPA ECHO) Agency record
Severity 2
Dworshak National Fish Hatchery, Ahsahka
NPDES wastewater discharge permit.
EPA FRS registry ID 110070686957 (U.S. EPA ECHO) Agency record
Severity 2
Cayuse Creek Usfs, Cayuse Creek
Public airport. O.
Record ID C64 (FAA / U.S. DOT)
Severity 2
Orofino Muni, Orofino
Public airport. O.
Record ID S68 (FAA / U.S. DOT)
Severity 2
Pierce, City Of - Pierce Drinking Wtp, Pierce
Industrial wastewater discharge. No Violation Identified.
NPDES permit IDG380007: (U.S. EPA NPDES)
Severity 1.9
Dworshak Dam Usace, Ahsahka
NPDES wastewater discharge permit.
EPA FRS registry ID 110006361150 (U.S. EPA ECHO) Agency record
Severity 1.8
Empire Lumber Weippe Operations, Weippe
NPDES wastewater discharge permit.
EPA FRS registry ID 110055248995 (U.S. EPA ECHO) Agency record
Severity 1.8
Janelle Paul, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110071848483 (U.S. EPA ECHO) Agency record
Severity 1.8
Timberline High School, Weippe
NPDES wastewater discharge permit.
EPA FRS registry ID 110010027014 (U.S. EPA ECHO) Agency record
Severity 1.5
Orofino Wwtp, Orofino
NPDES wastewater discharge permit.
EPA FRS registry ID 110010027318 (U.S. EPA ECHO) Agency record
Severity 1.5
Clearwater State Fish Hatchery, Ahsahka
NPDES wastewater discharge permit.
EPA FRS registry ID 110035853948 (U.S. EPA ECHO) Agency record
Severity 1.5
Dworshak National Fish Hatchery, Orofino
NPDES wastewater discharge permit.
EPA FRS registry ID 110035853957 (U.S. EPA ECHO) Agency record
Severity 1.5
Orofino, City Of - Orofino Wtp, Orofino
NPDES wastewater discharge permit.
EPA FRS registry ID 110064243242 (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 Clearwater 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 Clearwater 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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