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Glenn County, California: environmental and disease records

Cancer mortality in Glenn County is 173.2 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. Federal databases place 253 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (78), Rail grade crossing (65), Small hazardous waste generator (34). 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: 39.59, -122.4407.

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 Glenn County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Liver & bile duct	Deaths	10.6	6.6	1.61x	6.3 to 16.9	2020-2024
Leukemia	New cases	22.1	14.5	1.52xSignificant	15.3 to 31	2019-2023
Liver & bile duct	New cases	11.9	8.7	1.37x	7.4 to 18.4	2019-2023
Non-Hodgkin lymphoma	New cases	23.3	18.5	1.26x	16.7 to 31.9	2019-2023
Kidney & renal pelvis	New cases	22.4	17.9	1.25x	15.7 to 31	2019-2023
Bladder	New cases	23.3	18.7	1.25x	16.6 to 31.8	2019-2023
All cancer	Deaths	173.2	143.2	1.21xSignificant	153.8 to 194.5	2020-2024
Melanoma of the skin	New cases	27.9	23.8	1.17x	20.2 to 37.7	2019-2023
All cancer	New cases	514	453.4	1.13xSignificant	479.5 to 550.5	2019-2023
Lung & bronchus	New cases	57.9	51.8	1.12x	47 to 70.8	2019-2023
Pancreas	Deaths	11.7	11.3	1.04x	7.2 to 18.2	2020-2024
Lung & bronchus	Deaths	30.7	30.2	1.02x	22.9 to 40.4	2020-2024
Thyroid	New cases	13	13	1x	7.6 to 20.7	2019-2023
Pancreas	New cases	11.7	13.9	0.84x	7 to 18.5	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 Glenn County
Measure	County	U.S. median	Difference	Unit
Premature death	9,722.9	9,842.6	-1%	years of life lost before age 75 per 100,000
Life expectancy	75.4	75.3	+0%	years
Child mortality	81.2	59.8	+36%	deaths under age 18 per 100,000
Infant mortality	7.7	6.2	+24%	deaths under age 1 per 1,000 live births
Injury deaths	95.9	96.9	-1%	deaths per 100,000
Drug overdose deaths	41	28.6	+43%	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.

Formaldehyde27.02 per million
Acetaldehyde3.31 per million
Carbon Tetrachloride2.94 per million
Naphthalene2.2 per million

EPA Air Quality Index 2025

Monitored on 365 days: 292 good, 0 unhealthy for sensitive groups or worse. Median AQI 40, peak 94.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit78
Rail grade crossing65
Small hazardous waste generator34
Industrial wastewater discharge22
Gas station (mapped facility)16
Large hazardous waste generator16
Hazardous waste transporter5
Auto repair or body shop (mapped facility)3
Wastewater plant (mapped facility)3
Air permit holder (minor source)2
Public airport2
Major air pollution source1
EPA air quality monitor1
Commercial airport1
Hydroelectric plant1
Solar power plant1
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.

Johns Manville, Willows
Toxic chemical release facility (TRI). Chemicals: Styrene, Manganese And Manganese Compounds, Manganese compounds, Lead compounds and 3 more. Reports carcinogens. 162,090 lbs released over 5 years.
TRI facility ID 95988MNVLLCOUNT (U.S. EPA Toxics Release Inventory)
Severity 8.5
Willows Wwtf, Willows
NPDES wastewater discharge permit. Penalties $3,000.
EPA FRS registry ID 110055985545 (U.S. EPA ECHO) Agency record
Severity 6.3
Johns-Manville, Willows
TRI reporting facility.
EPA FRS registry ID 110000601340 (U.S. EPA ECHO) Agency record
Severity 6.1
Grindstone Indian Rancheria, Elk Creek
NPDES wastewater discharge permit. Penalties $8,963.
EPA FRS registry ID 110066851142 (U.S. EPA ECHO) Agency record
Severity 5.3
Walberg (Demo Of Taco Bell), Willows
Air permit holder (minor source).
EPA FRS registry ID 110044236190 (U.S. EPA ECHO) Agency record
Severity 4
Johns-Manville, Willows
Major air pollution source.
EPA FRS registry ID 110000601340 (U.S. EPA ECHO) Agency record
Severity 3.5
Johns-Manville, Willows
Large hazardous waste generator.
EPA FRS registry ID 110000601340 (U.S. EPA ECHO) Agency record
Severity 3
Orland Cleaners, Orland
Large hazardous waste generator.
EPA FRS registry ID 110002426660 (U.S. EPA ECHO) Agency record
Severity 3
Caltrans District 03, Willows
Large hazardous waste generator.
EPA FRS registry ID 110002834247 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell Dba At&T California (Orland), Orland
Large hazardous waste generator.
EPA FRS registry ID 110002947517 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Bell Dba At&T California (Willows), Willows
Large hazardous waste generator.
EPA FRS registry ID 110002948044 (U.S. EPA ECHO) Agency record
Severity 3
Conocophillips Former Bulk Plant #0875, Willows
Large hazardous waste generator.
EPA FRS registry ID 110041652011 (U.S. EPA ECHO) Agency record
Severity 3
Spreckels Sugar Company, Hamilton City
Large hazardous waste generator.
EPA FRS registry ID 110042154502 (U.S. EPA ECHO) Agency record
Severity 3
California Water Service (7-01), Willows
Large hazardous waste generator.
EPA FRS registry ID 110043985284 (U.S. EPA ECHO) Agency record
Severity 3
Cvs Pharmacy #9188, Orland
Large hazardous waste generator.
EPA FRS registry ID 110055055096 (U.S. EPA ECHO) Agency record
Severity 3
California Water Service (4-01), Willows
Large hazardous waste generator.
EPA FRS registry ID 110055733149 (U.S. EPA ECHO) Agency record
Severity 3
California Water Service (8-01), Willows
Large hazardous waste generator.
EPA FRS registry ID 110055733283 (U.S. EPA ECHO) Agency record
Severity 3
California Water Svc Co Wil 9, Willows
Large hazardous waste generator.
EPA FRS registry ID 110055733336 (U.S. EPA ECHO) Agency record
Severity 3
Gandy And Staley Oil Company Inc, Willows
Large hazardous waste generator.
EPA FRS registry ID 110065562509 (U.S. EPA ECHO) Agency record
Severity 3
Waste Tire Products, Orland
Large hazardous waste generator.
EPA FRS registry ID 110070093206 (U.S. EPA ECHO) Agency record
Severity 3
Pacific Belll Telephone Company Dba At&T Ca, Orland
Large hazardous waste generator.
EPA FRS registry ID 110070398730 (U.S. EPA ECHO) Agency record
Severity 3
Willows Beehive Bend Gas, Bayliss
Large hazardous waste generator.
EPA FRS registry ID 110070630713 (U.S. EPA ECHO) Agency record
Severity 3
Glenn Fertilizers, Willows, Willows
NPDES wastewater discharge permit. Penalties $630,737.
EPA FRS registry ID 110000710357 (U.S. EPA ECHO) Agency record
Severity 2.5
Orland Wwtf, Orland
NPDES wastewater discharge permit.
EPA FRS registry ID 110055988436 (U.S. EPA ECHO) Agency record
Severity 2.3
Nor Cal Enviro Solutions Llc, Orland
NPDES wastewater discharge permit.
EPA FRS registry ID 110070090940 (U.S. EPA ECHO) Agency record
Severity 2.3

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 Glenn 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 Glenn 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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