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Stevens County, Washington: environmental and disease records

Cancer mortality in Stevens County is 155.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 288 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (134), NPDES wastewater discharge permit (43), Gas station (mapped facility) (31). 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: 48.3969, -117.8475.

How this county ranks in Washington

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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 Stevens County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Esophagus	Deaths	5.6	3.7	1.51x	3.5 to 8.9	2020-2024
Kidney & renal pelvis	Deaths	4.9	3.4	1.44x	2.8 to 8.1	2020-2024
Bladder	Deaths	5.9	4.1	1.44x	3.7 to 9.2	2020-2024
Esophagus	New cases	6.6	4.6	1.43x	4.3 to 10.1	2019-2023
Brain & nervous system	New cases	7.2	6.2	1.16x	4.4 to 11.4	2019-2023
All cancer	Deaths	155.3	143.2	1.08x	142.7 to 168.9	2020-2024
Brain & nervous system	Deaths	4.7	4.4	1.07x	2.7 to 7.9	2020-2024
Liver & bile duct	Deaths	6.6	6.6	1x	4.1 to 10.1	2020-2024
Lung & bronchus	Deaths	29.3	30.2	0.97x	24.4 to 35.2	2020-2024
Pancreas	Deaths	10.3	11.3	0.91x	7.3 to 14.3	2020-2024
Non-Hodgkin lymphoma	Deaths	4.3	4.8	0.9x	2.5 to 7.3	2020-2024
Pancreas	New cases	11.9	13.9	0.86x	8.5 to 16.5	2019-2023
Kidney & renal pelvis	New cases	14.5	17.9	0.81x	10.6 to 19.6	2019-2023
Leukemia	Deaths	4.6	5.7	0.81x	2.5 to 7.9	2020-2024
Lung & bronchus	New cases	38.3	51.8	0.74x	32.5 to 45.1	2019-2023
Bladder	New cases	13.6	18.7	0.73x	10.1 to 18.2	2019-2023
All cancer	New cases	311.5	453.4	0.69x	292.3 to 331.9	2019-2023
Stomach	New cases	4.4	6.6	0.67x	2.4 to 7.6	2019-2023
Non-Hodgkin lymphoma	New cases	11.7	18.5	0.63x	8.2 to 16.3	2019-2023
Melanoma of the skin	New cases	13.6	23.8	0.57x	9.3 to 19.2	2019-2023
Liver & bile duct	New cases	4.7	8.7	0.54x	2.6 to 8.2	2019-2023
Leukemia	New cases	7.5	14.5	0.52x	4.4 to 11.8	2019-2023
Thyroid	New cases	5.7	13	0.44x	3.1 to 9.7	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 Stevens County
Measure	County	U.S. median	Difference	Unit
Premature death	9,095.2	9,842.6	-8%	years of life lost before age 75 per 100,000
Life expectancy	76.9	75.3	+2%	years
Child mortality	48.7	59.8	-19%	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	99.6	96.9	+3%	deaths per 100,000
Drug overdose deaths	16.2	28.6	-43%	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.

Formaldehyde14.11 per million
Carbon Tetrachloride2.8 per million
Acetaldehyde2.01 per million
Naphthalene1.02 per million

EPA Air Quality Index 2025

Monitored on 365 days: 252 good, 9 unhealthy for sensitive groups or worse. Median AQI 35, peak 243.

Regulated facilities, sites and hazards by type

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

Rail grade crossing134
NPDES wastewater discharge permit43
Gas station (mapped facility)31
Auto repair or body shop (mapped facility)28
Public airport15
Air permit holder (minor source)5
TRI reporting facility5
Toxic chemical release facility (TRI)5
Major air pollution source4
EPA air quality monitor2
Brownfield property2
Small hazardous waste generator2
Hazardous waste transporter2
Heliport2
Hydroelectric plant2
Superfund (NPL) site2
Wastewater plant (mapped facility)2
Landfill (mapped facility)1
Biomass power plant1

Highest-severity records

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

Midnite Mine, Wellpinit
Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.
EPA site ID WAD980978753 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
Upper Columbia River, Upper Columbia River
Superfund (NPL) site. Hazard Ranking System score 51.2. NPL Site.
EPA site ID WASFN1002171 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
Vaagen Bros Lumber Inc Colville, Colville
TRI reporting facility.
EPA FRS registry ID 110011621254 (U.S. EPA ECHO) Agency record
Severity 7.3
Kettle Falls Lumber, Kettle Falls
TRI reporting facility.
EPA FRS registry ID 110056383088 (U.S. EPA ECHO) Agency record
Severity 7.3
Us Cbp Frontier Port Of Entry #Wa0049, Northport
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 1,411 lbs released over 5 years.
TRI facility ID 9915WSCBPF4939H (U.S. EPA Toxics Release Inventory)
Severity 6.9
Boise Cascade Wood Products Llc Kettle Falls Plywood, Kettle Falls
Toxic chemical release facility (TRI). Chemicals: Methanol, Lead And Lead Compounds. 104,872 lbs released over 5 years.
TRI facility ID 99141BSCSCS110B (U.S. EPA Toxics Release Inventory)
Severity 6.9
Stimson Washington Inc, Colville
Major air pollution source.
EPA FRS registry ID 110006138303 (U.S. EPA ECHO) Agency record
Severity 6.5
Avista Utilities Kettle Falls, Kettle Falls
Major air pollution source.
EPA FRS registry ID 110008226712 (U.S. EPA ECHO) Agency record
Severity 6.5
Vaagen Bros Lumber Inc Colville, Colville
Major air pollution source.
EPA FRS registry ID 110011621254 (U.S. EPA ECHO) Agency record
Severity 6.5
Stimson Washington Inc, Colville
NPDES wastewater discharge permit.
EPA FRS registry ID 110006138303 (U.S. EPA ECHO) Agency record
Severity 6
Avista Utilities Kettle Falls, Kettle Falls
NPDES wastewater discharge permit.
EPA FRS registry ID 110008226712 (U.S. EPA ECHO) Agency record
Severity 6
Vaagen Bros Lumber Inc Colville, Colville
NPDES wastewater discharge permit.
EPA FRS registry ID 110011621254 (U.S. EPA ECHO) Agency record
Severity 6
Boise Cascade Wood Products, Llc Kettle Falls Plywood, Kettle Falls
TRI reporting facility.
EPA FRS registry ID 110015969996 (U.S. EPA ECHO) Agency record
Severity 6
Colville-E 1St, Colville
EPA air quality monitor.
Record ID 530650005 (U.S. EPA AirData)
Severity 5.4
Vaagen Brothers Lumber, Colville
Toxic chemical release facility (TRI). Chemicals: Lead And Lead Compounds, Lead compounds. 422 lbs released over 5 years.
TRI facility ID 99114VGNBR565W5 (U.S. EPA Toxics Release Inventory)
Severity 5
Us Customs And Border Protection, Northport
TRI reporting facility.
EPA FRS registry ID 110069277268 (U.S. EPA ECHO) Agency record
Severity 4.9
Quadra-Fire, Colville
TRI reporting facility.
EPA FRS registry ID 110008227187 (U.S. EPA ECHO) Agency record
Severity 4.6
Colmac Coil Mfg Inc, Colville
NPDES wastewater discharge permit.
EPA FRS registry ID 110005325031 (U.S. EPA ECHO) Agency record
Severity 4.5
Wsdot Sp-W-6458 Mill Creek, Colville
NPDES wastewater discharge permit.
EPA FRS registry ID 110010901881 (U.S. EPA ECHO) Agency record
Severity 4.5
Lane Mt Silica Company, Valley
NPDES wastewater discharge permit.
EPA FRS registry ID 110015462006 (U.S. EPA ECHO) Agency record
Severity 4.5
Waste Mgmt Olsons Hauling Co, Addy
NPDES wastewater discharge permit.
EPA FRS registry ID 110024413678 (U.S. EPA ECHO) Agency record
Severity 4.5
Ford Hatchery, Ford
NPDES wastewater discharge permit.
EPA FRS registry ID 110039409636 (U.S. EPA ECHO) Agency record
Severity 4.5
Wa Dot Sheep Creek Pit Ps-W-63, Northport
NPDES wastewater discharge permit.
EPA FRS registry ID 110040111875 (U.S. EPA ECHO) Agency record
Severity 4.5
Colville Wwtp, Colville
NPDES wastewater discharge permit.
EPA FRS registry ID 110040405344 (U.S. EPA ECHO) Agency record
Severity 4.5
Kettle Falls Lumber, Kettle Falls
NPDES wastewater discharge permit.
EPA FRS registry ID 110056383088 (U.S. EPA ECHO) Agency record
Severity 4.5

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 Stevens County

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