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Monongalia County, West Virginia: environmental and disease records

Cancer mortality in Monongalia County is 130.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 1,409 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (1,182), Rail grade crossing (53), Gas station (mapped facility) (43). One correctional facility operates in the county. EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 30 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: 39.5783, -79.9695.

How this county ranks in West Virginia

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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 Monongalia 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	34	23.8	1.43xSignificant	29.1 to 39.6	2019-2023
Esophagus	Deaths	4.8	3.7	1.3x	3.1 to 7.1	2020-2024
Thyroid	New cases	16.7	13	1.28xSignificant	13.3 to 20.8	2019-2023
Non-Hodgkin lymphoma	Deaths	5.5	4.8	1.15x	3.7 to 7.9	2020-2024
Bladder	New cases	21.4	18.7	1.14x	17.4 to 25.9	2019-2023
Esophagus	New cases	5.1	4.6	1.11x	3.3 to 7.5	2019-2023
Bladder	Deaths	4.4	4.1	1.07x	2.7 to 6.7	2020-2024
Non-Hodgkin lymphoma	New cases	19.5	18.5	1.05x	15.8 to 23.7	2019-2023
Kidney & renal pelvis	Deaths	3.5	3.4	1.03x	2.1 to 5.5	2020-2024
Brain & nervous system	New cases	6.3	6.2	1.02x	4.3 to 9	2019-2023
All cancer	New cases	458.1	453.4	1.01x	439.6 to 477.1	2019-2023
Stomach	New cases	6.6	6.6	1x	4.5 to 9.3	2019-2023
Pancreas	New cases	13.7	13.9	0.99x	10.6 to 17.3	2019-2023
Kidney & renal pelvis	New cases	17.5	17.9	0.98x	14.1 to 21.6	2019-2023
Lung & bronchus	New cases	49.8	51.8	0.96x	44 to 56.2	2019-2023
Brain & nervous system	Deaths	4.2	4.4	0.95x	2.6 to 6.4	2020-2024
Liver & bile duct	New cases	8.3	8.7	0.95x	6 to 11.2	2019-2023
All cancer	Deaths	130.3	143.2	0.91x	120.6 to 140.6	2020-2024
Leukemia	New cases	12.7	14.5	0.88x	9.7 to 16.3	2019-2023
Lung & bronchus	Deaths	26	30.2	0.86x	21.8 to 30.8	2020-2024
Liver & bile duct	Deaths	5.6	6.6	0.85x	3.8 to 8	2020-2024
Pancreas	Deaths	9.4	11.3	0.83x	6.9 to 12.6	2020-2024
Leukemia	Deaths	4.7	5.7	0.82x	3 to 7.2	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 Monongalia County
Measure	County	U.S. median	Difference	Unit
Premature death	7,458.6	9,842.6	-24%	years of life lost before age 75 per 100,000
Life expectancy	77.6	75.3	+3%	years
Child mortality	39.4	59.8	-34%	deaths under age 18 per 100,000
Infant mortality	6.9	6.2	+12%	deaths under age 1 per 1,000 live births
Injury deaths	72.5	96.9	-25%	deaths per 100,000
Drug overdose deaths	42.2	28.6	+47%	deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 30 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde17.24 per million
Carbon Tetrachloride2.88 per million
Benzene2.63 per million
Acetaldehyde1.67 per million

EPA Air Quality Index 2025

Monitored on 272 days: 217 good, 1 unhealthy for sensitive groups or worse. Median AQI 42, peak 105.

Regulated facilities, sites and hazards by type

1,409 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

NPDES wastewater discharge permit1,182
Rail grade crossing53
Gas station (mapped facility)43
Air permit holder (minor source)35
Small hazardous waste generator16
Auto repair or body shop (mapped facility)13
Brownfield property13
Toxic chemical release facility (TRI)13
Large hazardous waste generator10
TRI reporting facility7
Large greenhouse gas emitter4
Major air pollution source3
Hazardous waste transporter3
Coal power plant3
Dry cleaner (mapped facility)2
Heliport2
Scrapyard (mapped facility)2
EPA air quality monitor1
Commercial airport1
Correctional facility (prison or jail)1
Hydroelectric plant1
Wastewater plant (mapped facility)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.

Fort Martin Power Station, Maidsville
TRI reporting facility.
EPA FRS registry ID 110043799501 (U.S. EPA ECHO) Agency record
Severity 9.7
Fort Martin Power Station, Maidsville
Toxic chemical release facility (TRI). Chemicals: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium And Barium Compounds, Vanadium compounds, Zinc compounds and 4 more. Reports carcinogens. 5,560,759 lbs released over 5 years.
TRI facility ID 26541FRTMRRTE53 (U.S. EPA Toxics Release Inventory)
Severity 9.7
Humphrey No 7, Maidsville
Toxic chemical release facility (TRI). Chemicals: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Barium And Barium Compounds, Vanadium compounds, Manganese compounds and 4 more. Reports carcinogens. 2,152,023 lbs released over 5 years.
TRI facility ID 2650WHMPHRRUTE1 (U.S. EPA Toxics Release Inventory)
Severity 9.4
Longview Power, Maidsville
Toxic chemical release facility (TRI). Chemicals: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium And Barium Compounds, Hydrogen fluoride and 4 more. Reports carcinogens. 674,889 lbs released over 5 years.
TRI facility ID 2654WLNGVW1375F (U.S. EPA Toxics Release Inventory)
Severity 9
Coresco Llc Maidsville Complex, Maidsville
Toxic chemical release facility (TRI). Chemicals: Manganese And Manganese Compounds, Barium And Barium Compounds, Vanadium compounds, Zinc compounds and 4 more. Reports carcinogens. 436,860 lbs released over 5 years.
TRI facility ID 26541CRSCNRTE10 (U.S. EPA Toxics Release Inventory)
Severity 8.8
Si Group Inc - South Plant, Morgantown
TRI reporting facility.
EPA FRS registry ID 110000572782 (U.S. EPA ECHO) Agency record
Severity 8.5
Monongalia County Coal Resources Inc., Wana
Toxic chemical release facility (TRI). Chemicals: Lead, Mercury. Reports carcinogens. 18,714 lbs released over 5 years.
TRI facility ID 2659WTHMNN99SHA (U.S. EPA Toxics Release Inventory)
Severity 7.8
Central Supply Co Of Wv - Westover Plant, Morgantown
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds, Lead, Lead compounds. Reports carcinogens. 9,365 lbs released over 5 years.
TRI facility ID 2650WCSCWS7998M (U.S. EPA Toxics Release Inventory)
Severity 7.5
Swanson Plating Corporation, Inc., Morgantown, Morgantown
TRI reporting facility.
EPA FRS registry ID 110000344912 (U.S. EPA ECHO) Agency record
Severity 7.4
Firstenergy Fort Martin Power Station, Maidsville
Coal power plant.
Record ID 3943 (U.S. Energy Information Administration)
Severity 7.1
Longview Power Plant, Maidsville
Coal power plant.
Record ID 56671 (U.S. Energy Information Administration)
Severity 6.7
Humphrey No 7, Maidsville
TRI reporting facility.
EPA FRS registry ID 110060280002 (U.S. EPA ECHO) Agency record
Severity 6.6
Fort Martin Power Station, Maidsville
Major air pollution source.
EPA FRS registry ID 110043799501 (U.S. EPA ECHO) Agency record
Severity 6.5
Petroleum Products Llc - Wv Bulk Plant, Morgantown
TRI reporting facility.
EPA FRS registry ID 110046424473 (U.S. EPA ECHO) Agency record
Severity 6.5
Longview Power, Maidsville
TRI reporting facility.
EPA FRS registry ID 110040576267 (U.S. EPA ECHO) Agency record
Severity 6.4
Si Group Inc -North Plant, Morgantown
Toxic chemical release facility (TRI). Chemicals: Methanol, Phenol, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ethylene glycol and 2 more. 23,497 lbs released over 5 years.
TRI facility ID 26505WSTMRMORGA (U.S. EPA Toxics Release Inventory)
Severity 6.4
Si Group Inc - South Plant, Morgantown
Toxic chemical release facility (TRI). Chemicals: Cresol (mixed isomers), Nonylphenol, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Phenol. 11,634 lbs released over 5 years.
TRI facility ID 26505WSTMR1000D (U.S. EPA Toxics Release Inventory)
Severity 6.1
Morgantown Energy Facility, Morgantown
Coal power plant.
Record ID 10743 (U.S. Energy Information Administration)
Severity 6.1
Swanson Plating Corp Inc., Morgantown
Toxic chemical release facility (TRI). Chemicals: Chromium compounds (except for chromite ore mined in the Transvaal Region), Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Lead. Reports carcinogens. 90 lbs released over 5 years.
TRI facility ID 26505SWNSNSTATE (U.S. EPA Toxics Release Inventory)
Severity 6
Fort Martin Power Station, Maidsville
NPDES wastewater discharge permit.
EPA FRS registry ID 110043799501 (U.S. EPA ECHO) Agency record
Severity 6
Swanson Plating Corporation, Inc., Morgantown, Morgantown
Large hazardous waste generator.
EPA FRS registry ID 110000344912 (U.S. EPA ECHO) Agency record
Severity 5.8
Si Group Inc - South Plant, Morgantown
Large hazardous waste generator.
EPA FRS registry ID 110000572782 (U.S. EPA ECHO) Agency record
Severity 5.8
Si Group Inc - South Plant, Morgantown
NPDES wastewater discharge permit.
EPA FRS registry ID 110000572782 (U.S. EPA ECHO) Agency record
Severity 5.8
Brettwald Subdivision, Morgantown
NPDES wastewater discharge permit. Penalties $18,630.
EPA FRS registry ID 110010877541 (U.S. EPA ECHO) Agency record
Severity 5.5
Fort Martin Power Station, Maidsville
Large greenhouse gas emitter.
EPA FRS registry ID 110043799501 (U.S. EPA ECHO) Agency record
Severity 5.5

Correctional facilities

Prisons, jails and corrections operations with an EPA facility record, and the drinking water and wastewater compliance attached to them.

Federal Correctional Institution, Morgantown
EPA FRS registry ID
110070634125
Wastewater permit
None on record
EPA detailed facility report

Discovery / public records

Records to request for Monongalia County

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