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Clarendon County, South Carolina: environmental and disease records

Cancer mortality in Clarendon County is 185.9 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Lung & bronchus deaths at 1.7 times the U.S. rate. Federal databases place 166 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (64), Gas station (mapped facility) (36), Rail grade crossing (28). 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: 33.6886, -80.2465.

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 Clarendon County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	51.3	30.2	1.7xSignificant	42.8 to 61.3	2020-2024
Liver & bile duct	Deaths	9.5	6.6	1.44x	5.6 to 15.2	2020-2024
Lung & bronchus	New cases	70.3	51.8	1.36xSignificant	60.5 to 81.7	2019-2023
All cancer	Deaths	185.9	143.2	1.3xSignificant	169.1 to 204.3	2020-2024
Stomach	New cases	8.1	6.6	1.23x	4.9 to 13.2	2019-2023
Pancreas	New cases	14.5	13.9	1.04x	10.2 to 20.5	2019-2023
Kidney & renal pelvis	New cases	18.3	17.9	1.02x	13 to 25.3	2019-2023
All cancer	New cases	458.7	453.4	1.01x	430.7 to 488.3	2019-2023
Pancreas	Deaths	10.9	11.3	0.96x	7.4 to 16.1	2020-2024
Liver & bile duct	New cases	8.3	8.7	0.95x	5.1 to 13.4	2019-2023
Melanoma of the skin	New cases	21.1	23.8	0.89x	15 to 29.1	2019-2023
Bladder	New cases	15.9	18.7	0.85x	11.3 to 22	2019-2023
Thyroid	New cases	10.2	13	0.78x	5.7 to 17	2019-2023
Leukemia	New cases	11	14.5	0.76x	6.6 to 17.3	2019-2023
Non-Hodgkin lymphoma	New cases	11.9	18.5	0.64x	8 to 17.5	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 Clarendon County
Measure	County	U.S. median	Difference	Unit
Premature death	15,443.5	9,842.6	+57%	years of life lost before age 75 per 100,000
Life expectancy	71.2	75.3	-5%	years
Child mortality	108	59.8	+81%	deaths under age 18 per 100,000
Infant mortality	11.2	6.2	+80%	deaths under age 1 per 1,000 live births
Injury deaths	106.9	96.9	+10%	deaths per 100,000
Drug overdose deaths	27.3	28.6	-5%	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.

Formaldehyde21 per million
Carbon Tetrachloride2.94 per million
Acetaldehyde2.08 per million
Benzene0.72 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit64
Gas station (mapped facility)36
Rail grade crossing28
Air permit holder (minor source)11
Auto repair or body shop (mapped facility)10
Solar power plant4
Public airport2
Dry cleaner (mapped facility)2
Small hazardous waste generator2
Toxic chemical release facility (TRI)2
Major air pollution source1
Commercial airport1
Heliport1
TRI reporting facility1
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.

Georgia-Pacific Wood Products Llc - Clarendon Osb Facility, Alcolu
Toxic chemical release facility (TRI). Chemicals: Methanol, Formaldehyde, Phenol, Acetaldehyde and 4 more. Reports carcinogens. 213,361 lbs released over 5 years.
TRI facility ID 2900WGPCLR825SU (U.S. EPA Toxics Release Inventory)
Severity 8.6
Georgia-Pacific Wood Products Llc - Clarendon Osb, Alcolu
TRI reporting facility. Penalties $8,500.
EPA FRS registry ID 110060258000 (U.S. EPA ECHO) Agency record
Severity 7.9
Manning Waste Water Treatment Facility, Manning
NPDES wastewater discharge permit. Penalties $2,400.
EPA FRS registry ID 110002041326 (U.S. EPA ECHO) Agency record
Severity 7
Georgia-Pacific Wood Products Llc - Clarendon Osb, Alcolu
Major air pollution source. Penalties $8,500.
EPA FRS registry ID 110060258000 (U.S. EPA ECHO) Agency record
Severity 5.3
Georgia-Pacific Wood Products Llc - Clarendon Osb, Alcolu
NPDES wastewater discharge permit. Penalties $8,500.
EPA FRS registry ID 110060258000 (U.S. EPA ECHO) Agency record
Severity 4.8
Edwards Wood Products - Manning, Alcolu
Toxic chemical release facility (TRI). Chemicals: Lead And Lead Compounds.
TRI facility ID 2900WDWRDSUSHWY (U.S. EPA Toxics Release Inventory)
Severity 3
Santee Cooper/Church Branch Borrow Pit Mine, Clarendon
NPDES wastewater discharge permit.
EPA FRS registry ID 110071204067 (U.S. EPA ECHO) Agency record
Severity 2.8
4c Transport/Scdot Us 301 Pit, Turbeville
NPDES wastewater discharge permit. Penalties $21,000.
EPA FRS registry ID 110071204535 (U.S. EPA ECHO) Agency record
Severity 2.5
Santee Cooper Rgnl, Manning
Commercial airport. O.
Record ID MNI (FAA / U.S. DOT)
Severity 2
Polar Bear Laundry and Cleaners
Dry cleaner (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/3081214299 (OpenStreetMap contributors) Agency record
Severity 2
City Laundry & Cleaners
Dry cleaner (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/3081238705 (OpenStreetMap contributors) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1086830680 (OpenStreetMap contributors) Agency record
Severity 2
Concrete Supply Co Llc - Manning Plant, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110001665920 (U.S. EPA ECHO) Agency record
Severity 1.5
Pinewood Site-Hills Labruce, Pinewood
NPDES wastewater discharge permit.
EPA FRS registry ID 110002238659 (U.S. EPA ECHO) Agency record
Severity 1.5
Arvin Meritor Automotive, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110007185571 (U.S. EPA ECHO) Agency record
Severity 1.5
Clarendon County
NPDES wastewater discharge permit.
EPA FRS registry ID 110009800885 (U.S. EPA ECHO) Agency record
Severity 1.5
Stukes Mine And Farm Llc/Stukes Mine, Summerton
NPDES wastewater discharge permit.
EPA FRS registry ID 110020038387 (U.S. EPA ECHO) Agency record
Severity 1.5
Intrabond Llc, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110037514767 (U.S. EPA ECHO) Agency record
Severity 1.5
Carolina Bridge Company Inc/River Road Mine, Pinewood
NPDES wastewater discharge permit.
EPA FRS registry ID 110071202191 (U.S. EPA ECHO) Agency record
Severity 1.5
Continental Tire The Americas Llc, Sumter
NPDES wastewater discharge permit.
EPA FRS registry ID 110071402450 (U.S. EPA ECHO) Agency record
Severity 1.5
Manning Wwtp, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110071437094 (U.S. EPA ECHO) Agency record
Severity 1.5
Summerton Wwtp, Summerton
NPDES wastewater discharge permit.
EPA FRS registry ID 110071439401 (U.S. EPA ECHO) Agency record
Severity 1.5
Bicycle Corporation Of America, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110071439637 (U.S. EPA ECHO) Agency record
Severity 1.5
Clarendon County Class Ii Landfill, Manning
NPDES wastewater discharge permit.
EPA FRS registry ID 110071439739 (U.S. EPA ECHO) Agency record
Severity 1.5
Pocotaligo Products, Alcolu
NPDES wastewater discharge permit.
EPA FRS registry ID 110071467892 (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 Clarendon 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 Clarendon 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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