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Marion County, South Carolina: environmental and disease records

Cancer mortality in Marion County is 197.9 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Bladder deaths at 1.9 times the U.S. rate and Lung & bronchus deaths at 1.5 times the U.S. rate. Federal databases place 190 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (83), NPDES wastewater discharge permit (61), Gas station (mapped facility) (18). 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: 33.9976, -79.4225.

How this county ranks in South Carolina

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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 Marion County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Bladder	Deaths	7.9	4.1	1.93xSignificant	4.4 to 13.3	2020-2024
Lung & bronchus	Deaths	46.1	30.2	1.53xSignificant	37.5 to 56.5	2020-2024
All cancer	Deaths	197.9	143.2	1.38xSignificant	178.6 to 219	2020-2024
Lung & bronchus	New cases	71.1	51.8	1.37xSignificant	60 to 84	2019-2023
Pancreas	Deaths	15.1	11.3	1.34x	10.3 to 21.9	2020-2024
Liver & bile duct	Deaths	8.1	6.6	1.23x	4.8 to 13.4	2020-2024
Pancreas	New cases	16.3	13.9	1.17x	11.3 to 23.1	2019-2023
All cancer	New cases	457.4	453.4	1.01x	427 to 489.6	2019-2023
Kidney & renal pelvis	New cases	17.2	17.9	0.96x	11.6 to 24.7	2019-2023
Bladder	New cases	15.2	18.7	0.81x	10.3 to 22	2019-2023
Non-Hodgkin lymphoma	New cases	10.9	18.5	0.59x	6.4 to 17.6	2019-2023
Melanoma of the skin	New cases	12.8	23.8	0.54x	8.1 to 19.4	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 Marion County
Measure	County	U.S. median	Difference	Unit
Premature death	18,732.2	9,842.6	+90%	years of life lost before age 75 per 100,000
Life expectancy	68.2	75.3	-9%	years
Child mortality	96.8	59.8	+62%	deaths under age 18 per 100,000
Infant mortality	10.6	6.2	+71%	deaths under age 1 per 1,000 live births
Injury deaths	114.7	96.9	+18%	deaths per 100,000
Drug overdose deaths	32	28.6	+12%	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.

Formaldehyde19.69 per million
Carbon Tetrachloride2.95 per million
Acetaldehyde1.97 per million
Benzene0.73 per million

EPA Air Quality Index

No EPA air quality monitor reports daily AQI for this county.

Regulated facilities, sites and hazards by type

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

Rail grade crossing83
NPDES wastewater discharge permit61
Gas station (mapped facility)18
Air permit holder (minor source)12
Auto repair or body shop (mapped facility)2
Small hazardous waste generator2
Solar power plant2
Scrapyard (mapped facility)2
Wastewater plant (mapped facility)2
Major air pollution source1
Commercial airport1
Large hazardous waste generator1
Landfill (mapped facility)1
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.

Explore Industries Usa Inc., Marion
Toxic chemical release facility (TRI). Chemicals: Styrene. Reports carcinogens. 1,006,325 lbs released over 5 years.
TRI facility ID 29571BNTMNHWY76 (U.S. EPA Toxics Release Inventory)
Severity 9.1
Leisure Pools And Spas Manufacturing North America Inc, Marion
TRI reporting facility. Penalties $6,000.
EPA FRS registry ID 110000747666 (U.S. EPA ECHO) Agency record
Severity 7.9
Mullins Wastewater Treatment Plant, Mullins
NPDES wastewater discharge permit.
EPA FRS registry ID 110000564390 (U.S. EPA ECHO) Agency record
Severity 6
Marion/S Main St Wwtf, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110017123851 (U.S. EPA ECHO) Agency record
Severity 6
Leisure Pools And Spas Manufacturing North America Inc, Marion
Major air pollution source. Penalties $6,000.
EPA FRS registry ID 110000747666 (U.S. EPA ECHO) Agency record
Severity 5
Leisure Pools And Spas Manufacturing North America Inc, Marion
Large hazardous waste generator. Penalties $6,000.
EPA FRS registry ID 110000747666 (U.S. EPA ECHO) Agency record
Severity 4.5
Leisure Pools And Spas Manufacturing North America Inc, Marion
NPDES wastewater discharge permit. Penalties $6,000.
EPA FRS registry ID 110000747666 (U.S. EPA ECHO) Agency record
Severity 4.5
American Materials Company Llc/Carolina Sand Brittons Neck Mine, Gresham
NPDES wastewater discharge permit.
EPA FRS registry ID 110006654913 (U.S. EPA ECHO) Agency record
Severity 4.5
Carolina Sand/Gresham Plant, Gresham
NPDES wastewater discharge permit.
EPA FRS registry ID 110009701304 (U.S. EPA ECHO) Agency record
Severity 4.5
Quad Lakes Llc/Pee Dee Mine, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110020149463 (U.S. EPA ECHO) Agency record
Severity 4.5
Landsdown Corporation/Crepe Myrtle, Brittons Neck
NPDES wastewater discharge permit.
EPA FRS registry ID 110030769602 (U.S. EPA ECHO) Agency record
Severity 2.5
Marion County Class 2 Landfill, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110071439538 (U.S. EPA ECHO) Agency record
Severity 2.5
Inland Sand Mine, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110071822851 (U.S. EPA ECHO) Agency record
Severity 2.5
Jordan Scrap Metal Company, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110071439333 (U.S. EPA ECHO) Agency record
Severity 2.3
Friendship Farms Llc/Friendship Mine, Gresham
NPDES wastewater discharge permit.
EPA FRS registry ID 110071822627 (U.S. EPA ECHO) Agency record
Severity 2.3
Marion County, Marion
Commercial airport. O.
Record ID MAO (FAA / U.S. DOT)
Severity 2
Nichols Wastewater Treatment Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID relation/18371717 (OpenStreetMap contributors) Agency record
Severity 2
Mullins Wastewater Treatment Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1407294631 (OpenStreetMap contributors) Agency record
Severity 2
Marion County C & D Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/813981192 (OpenStreetMap contributors) Agency record
Severity 2
Marion Wastewater Treatment Plant, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110000541094 (U.S. EPA ECHO) Agency record
Severity 1.5
Masonite Corp - Marion Plant, Sellers
NPDES wastewater discharge permit.
EPA FRS registry ID 110000587552 (U.S. EPA ECHO) Agency record
Severity 1.5
Avm Inc, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110000740805 (U.S. EPA ECHO) Agency record
Severity 1.5
Soapkco Inc, Mullins
NPDES wastewater discharge permit.
EPA FRS registry ID 110001670683 (U.S. EPA ECHO) Agency record
Severity 1.5
Ready Mixed Concrete #85 Marion, Marion
NPDES wastewater discharge permit.
EPA FRS registry ID 110007180399 (U.S. EPA ECHO) Agency record
Severity 1.5
Marion County, Unknown
NPDES wastewater discharge permit.
EPA FRS registry ID 110009702250 (U.S. EPA ECHO) Agency record
Severity 1.5

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 Marion County

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