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Douglas County, Nevada: environmental and disease records

Cancer mortality in Douglas County is 123.3 deaths per 100,000 people per year against a U.S. rate of 143.2. The strongest disease signals are Melanoma of the skin deaths at 2.3 times the U.S. rate. Federal databases place 212 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (136), Brownfield property (19), Gas station (mapped facility) (17). 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: 38.8345, -119.5914.

How this county ranks in Nevada

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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 Douglas County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	Deaths	4.6	2	2.3xSignificant	2.5 to 8	2020-2024
Melanoma of the skin	New cases	43.8	23.8	1.84xSignificant	36.8 to 51.9	2019-2023
Kidney & renal pelvis	Deaths	3.9	3.4	1.15x	2.3 to 6.6	2020-2024
Brain & nervous system	Deaths	5	4.4	1.14x	2.7 to 8.8	2020-2024
Esophagus	Deaths	4.2	3.7	1.14x	2.5 to 7.1	2020-2024
Esophagus	New cases	5.2	4.6	1.13x	3.3 to 8.2	2019-2023
Leukemia	Deaths	6.1	5.7	1.07x	4 to 9.4	2020-2024
Bladder	New cases	19.2	18.7	1.03x	15.6 to 23.8	2019-2023
Brain & nervous system	New cases	5.7	6.2	0.92x	3.2 to 9.6	2019-2023
All cancer	New cases	411.9	453.4	0.91x	391.3 to 433.6	2019-2023
Liver & bile duct	Deaths	5.7	6.6	0.86x	3.6 to 9.1	2020-2024
All cancer	Deaths	123.3	143.2	0.86x	113 to 134.7	2020-2024
Leukemia	New cases	12	14.5	0.83x	8.6 to 16.6	2019-2023
Kidney & renal pelvis	New cases	14.6	17.9	0.82x	11 to 19.4	2019-2023
Non-Hodgkin lymphoma	New cases	14.9	18.5	0.81x	11.6 to 19.3	2019-2023
Bladder	Deaths	3.3	4.1	0.8x	2 to 5.8	2020-2024
Pancreas	New cases	10.9	13.9	0.78x	8 to 15	2019-2023
Lung & bronchus	Deaths	21.4	30.2	0.71x	17.6 to 26.1	2020-2024
Non-Hodgkin lymphoma	Deaths	3.3	4.8	0.69x	1.8 to 6.2	2020-2024
Lung & bronchus	New cases	33.7	51.8	0.65x	28.8 to 39.4	2019-2023
Thyroid	New cases	8.4	13	0.65x	5.2 to 13	2019-2023
Liver & bile duct	New cases	5.5	8.7	0.63x	3.3 to 9	2019-2023
Pancreas	Deaths	6.9	11.3	0.61x	5 to 9.9	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 Douglas County
Measure	County	U.S. median	Difference	Unit
Premature death	7,663.8	9,842.6	-22%	years of life lost before age 75 per 100,000
Life expectancy	79.1	75.3	+5%	years
Child mortality	41.4	59.8	-31%	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	93.1	96.9	-4%	deaths per 100,000
Drug overdose deaths	18.8	28.6	-34%	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.

Formaldehyde14.01 per million
Carbon Tetrachloride2.49 per million
Acetaldehyde1.61 per million
Pahpom1 per million

EPA Air Quality Index 2025

Monitored on 358 days: 326 good, 0 unhealthy for sensitive groups or worse. Median AQI 22, peak 63.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit136
Brownfield property19
Gas station (mapped facility)17
Small hazardous waste generator11
Auto repair or body shop (mapped facility)8
Large hazardous waste generator4
Air permit holder (minor source)3
Public airport2
Hazardous waste transporter2
Heliport2
Toxic chemical release facility (TRI)2
Wastewater plant (mapped facility)2
EPA air quality monitor1
Commercial airport1
Dry cleaner (mapped facility)1
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.

Aervoe Llc, Gardnerville
Toxic chemical release facility (TRI). Chemicals: n-Hexane, Methanol, Zinc (fume or dust). 3,192 lbs released over 5 years.
TRI facility ID 89410RVPCF1198S (U.S. EPA Toxics Release Inventory)
Severity 5.7
Aervoe Industries Incorporated., Gardnerville
TRI reporting facility.
EPA FRS registry ID 110011395551 (U.S. EPA ECHO) Agency record
Severity 5.3
Os Operations Llc, Minden
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens.
TRI facility ID 89423BNTLY1631B (U.S. EPA Toxics Release Inventory)
Severity 4.6
Ranchos Aspen Park, Gardnerville Ranchos
EPA air quality monitor.
Record ID 320050007 (U.S. EPA AirData)
Severity 3.1
Eagle Gas Station, Gardnerville
Brownfield property.
EPA FRS registry ID 110071965847 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 1, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972105 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 2, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972106 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 3, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972107 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 4, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972108 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 5, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972109 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 6, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972110 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 7, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972111 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 8, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972112 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bently 9, Gardnerville
Brownfield property.
EPA FRS registry ID 110071972113 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Heybourne Road Site, Minden
Brownfield property.
EPA FRS registry ID 110071976232 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Slaughterhouse Property, Carson City
Brownfield property.
EPA FRS registry ID 110071976236 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Vacant Property (2501 Heybourne Road), Minden
Brownfield property.
EPA FRS registry ID 110071977724 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Nishikida Property, Gardnerville
Brownfield property.
EPA FRS registry ID 110071978288 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Bliss Road 40 Acres, Minden
Brownfield property.
EPA FRS registry ID 110071980374 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
1350 Buckeye Road, Minden
Brownfield property.
EPA FRS registry ID 110071981527 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Washoe Tribe - Pagoda Building, Dresslerville
Brownfield property.
EPA FRS registry ID 110071983335 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Vacant Land (2505 Precision Drive, Minden, Nv), Minden
Brownfield property.
EPA FRS registry ID 110071984648 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
1100 Sawmill Road, Gardnerville
Brownfield property.
EPA FRS registry ID 110071986142 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Aervoe Industries Incorporated., Gardnerville
Large hazardous waste generator.
EPA FRS registry ID 110011395551 (U.S. EPA ECHO) Agency record
Severity 3
Target Store T1239, Carson City
Large hazardous waste generator.
EPA FRS registry ID 110015927620 (U.S. EPA ECHO) 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 Douglas County

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