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El Dorado County, California: environmental and disease records

Cancer mortality in El Dorado County is 125.7 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 635 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (313), Small hazardous waste generator (112), Gas station (mapped facility) (56). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 40 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: 38.7852, -120.5254.

How this county ranks in California

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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 El Dorado County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	New cases	40.8	23.8	1.71xSignificant	37.4 to 44.5	2019-2023
Brain & nervous system	New cases	8	6.2	1.29xSignificant	6.4 to 9.9	2019-2023
Brain & nervous system	Deaths	5.5	4.4	1.25x	4.3 to 7	2020-2024
Melanoma of the skin	Deaths	2.3	2	1.15x	1.6 to 3.2	2020-2024
Leukemia	Deaths	6	5.7	1.05x	4.8 to 7.5	2020-2024
Bladder	New cases	19.2	18.7	1.03x	17 to 21.6	2019-2023
Bladder	Deaths	4.2	4.1	1.02x	3.2 to 5.5	2020-2024
Thyroid	New cases	13.2	13	1.02x	11 to 15.7	2019-2023
Kidney & renal pelvis	Deaths	3.4	3.4	1x	2.5 to 4.6	2020-2024
All cancer	New cases	442.9	453.4	0.98x	431.5 to 454.6	2019-2023
Non-Hodgkin lymphoma	New cases	17.9	18.5	0.97x	15.7 to 20.4	2019-2023
Pancreas	New cases	12.9	13.9	0.93x	11.1 to 15	2019-2023
Leukemia	New cases	13.4	14.5	0.92x	11.4 to 15.7	2019-2023
Esophagus	New cases	4.2	4.6	0.91x	3.2 to 5.5	2019-2023
Stomach	New cases	6	6.6	0.91x	4.7 to 7.5	2019-2023
Pancreas	Deaths	10.1	11.3	0.89x	8.6 to 11.9	2020-2024
All cancer	Deaths	125.7	143.2	0.88x	119.9 to 131.6	2020-2024
Kidney & renal pelvis	New cases	15.3	17.9	0.85x	13.2 to 17.7	2019-2023
Stomach	Deaths	2.3	2.7	0.85x	1.5 to 3.4	2020-2024
Non-Hodgkin lymphoma	Deaths	3.9	4.8	0.81x	2.9 to 5.1	2020-2024
Childhood cancer (under 15)	New cases	13	16.4	0.79x	7.9 to 20.2	2019-2023
Liver & bile duct	New cases	6.5	8.7	0.75x	5.3 to 8	2019-2023
Esophagus	Deaths	2.7	3.7	0.73x	2 to 3.8	2020-2024
Lung & bronchus	New cases	36.5	51.8	0.7x	33.5 to 39.7	2019-2023
Liver & bile duct	Deaths	4.5	6.6	0.68x	3.5 to 5.7	2020-2024
Lung & bronchus	Deaths	19.7	30.2	0.65x	17.5 to 22.1	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 El Dorado County
Measure	County	U.S. median	Difference	Unit
Premature death	6,326.7	9,842.6	-36%	years of life lost before age 75 per 100,000
Life expectancy	80.6	75.3	+7%	years
Child mortality	40.3	59.8	-33%	deaths under age 18 per 100,000
Infant mortality	3	6.2	-52%	deaths under age 1 per 1,000 live births
Injury deaths	74.8	96.9	-23%	deaths per 100,000
Drug overdose deaths	23.5	28.6	-18%	deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 40 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde28.87 per million
Acetaldehyde3.1 per million
Carbon Tetrachloride2.76 per million
Naphthalene1.38 per million

EPA Air Quality Index 2025

Monitored on 365 days: 320 good, 1 unhealthy for sensitive groups or worse. Median AQI 40, peak 115.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit313
Small hazardous waste generator112
Gas station (mapped facility)56
Industrial wastewater discharge41
Large hazardous waste generator36
Hazardous waste transporter26
Hydroelectric plant10
Air permit holder (minor source)9
Public airport7
EPA air quality monitor6
Auto repair or body shop (mapped facility)6
Heliport3
Solar power plant3
Commercial airport2
Wastewater plant (mapped facility)2
Dry cleaner (mapped facility)1
Gas power plant1
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.

Hangtown Creek Wwtp, Placerville
NPDES wastewater discharge permit. Penalties $6,000.
EPA FRS registry ID 110039757992 (U.S. EPA ECHO) Agency record
Severity 6
Deer Creek 2, Cameron Park
NPDES wastewater discharge permit.
EPA FRS registry ID 110070619860 (U.S. EPA ECHO) Agency record
Severity 5.8
El Dorado Hills Wwtp, El Dorado Hills
NPDES wastewater discharge permit.
EPA FRS registry ID 110001103939 (U.S. EPA ECHO) Agency record
Severity 5.3
Mulligans Irish Pub & Rest (Super 8), South Lake Tahoe
Air permit holder (minor source).
EPA FRS registry ID 110006625214 (U.S. EPA ECHO) Agency record
Severity 4
Tahoe Keys Poa Pool, South Lake Tahoe
NPDES wastewater discharge permit.
EPA FRS registry ID 110009126515 (U.S. EPA ECHO) Agency record
Severity 4
Mountain F Enterprises Inc, Placerville
NPDES wastewater discharge permit.
EPA FRS registry ID 110065733754 (U.S. EPA ECHO) Agency record
Severity 4
Chili Bar Slate, Placerville
NPDES wastewater discharge permit.
EPA FRS registry ID 110070091974 (U.S. EPA ECHO) Agency record
Severity 4
Bonanza Auto Dismantler, Shingle Springs
NPDES wastewater discharge permit.
EPA FRS registry ID 110070096256 (U.S. EPA ECHO) Agency record
Severity 4
Ampac Fine Chemicals, El Dorado Hills
Large hazardous waste generator.
EPA FRS registry ID 110021012152 (U.S. EPA ECHO) Agency record
Severity 3.5
Vista Analytical Laboratory, El Dorado Hills
Large hazardous waste generator.
EPA FRS registry ID 110017315010 (U.S. EPA ECHO) Agency record
Severity 3.3
Syar Cameron Park, Shingle Springs
Toxic chemical release facility (TRI). Chemicals: Lead compounds, Lead And Lead Compounds.
TRI facility ID 9568WCMRNP3527D (U.S. EPA Toxics Release Inventory)
Severity 3.1
Broadridge Cogen, El Dorado Hills
Gas power plant.
Record ID 57580 (U.S. Energy Information Administration)
Severity 3
Rite Aid #6058, Placerville
Large hazardous waste generator.
EPA FRS registry ID 110002622840 (U.S. EPA ECHO) Agency record
Severity 3
Harrell Motors Inc, Placerville
Large hazardous waste generator.
EPA FRS registry ID 110002893441 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, Georgetown
Large hazardous waste generator.
EPA FRS registry ID 110008291106 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, Shingle Springs
Large hazardous waste generator.
EPA FRS registry ID 110008291197 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, South Lake Tahoe
Large hazardous waste generator.
EPA FRS registry ID 110008291231 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, Meyers
Large hazardous waste generator.
EPA FRS registry ID 110008291419 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, Placerville
Large hazardous waste generator.
EPA FRS registry ID 110008295914 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell, South Lake Tahoe
Large hazardous waste generator.
EPA FRS registry ID 110008295932 (U.S. EPA ECHO) Agency record
Severity 3
Rite Aid #6057, Placerville
Large hazardous waste generator.
EPA FRS registry ID 110012222807 (U.S. EPA ECHO) Agency record
Severity 3
Itw Rippey, El Dorado Hills
Large hazardous waste generator.
EPA FRS registry ID 110014413651 (U.S. EPA ECHO) Agency record
Severity 3
Abe Arens Brothers Environmental, Placerville
Large hazardous waste generator.
EPA FRS registry ID 110022432642 (U.S. EPA ECHO) Agency record
Severity 3
Blue Sky Environmental Service, Pollock Pines
Large hazardous waste generator.
EPA FRS registry ID 110023108616 (U.S. EPA ECHO) Agency record
Severity 3
El Dorado Ms4, South Lake Tahoe
NPDES wastewater discharge permit.
EPA FRS registry ID 110029517958 (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 El Dorado County

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