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Williamsburg County, South Carolina: environmental and disease records

Cancer mortality in Williamsburg County is 177.3 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Pancreas deaths at 1.7 times the U.S. rate. Federal databases place 277 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (159), Rail grade crossing (73), Air permit holder (minor source) (13). 3 correctional facilities operate 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: 33.6048, -79.7411.

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 Williamsburg County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Pancreas	Deaths	19.6	11.3	1.73xSignificant	14.1 to 26.8	2020-2024
Pancreas	New cases	22.8	13.9	1.64xSignificant	16.8 to 30.6	2019-2023
Kidney & renal pelvis	New cases	22.7	17.9	1.27x	16.4 to 30.8	2019-2023
All cancer	Deaths	177.3	143.2	1.24xSignificant	160.3 to 195.8	2020-2024
Liver & bile duct	Deaths	7.7	6.6	1.17x	4.5 to 12.7	2020-2024
Lung & bronchus	Deaths	33.2	30.2	1.1x	26.5 to 41.6	2020-2024
Liver & bile duct	New cases	7.8	8.7	0.9x	4.7 to 12.8	2019-2023
All cancer	New cases	396.2	453.4	0.87x	369.6 to 424.5	2019-2023
Lung & bronchus	New cases	44.6	51.8	0.86x	36.4 to 54.5	2019-2023
Non-Hodgkin lymphoma	New cases	15.4	18.5	0.83x	10.1 to 22.6	2019-2023
Leukemia	New cases	9.5	14.5	0.66x	5.4 to 15.5	2019-2023
Bladder	New cases	8.3	18.7	0.44x	5 to 13.4	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 Williamsburg County
Measure	County	U.S. median	Difference	Unit
Premature death	15,827.7	9,842.6	+61%	years of life lost before age 75 per 100,000
Life expectancy	70.4	75.3	-6%	years
Child mortality	63.9	59.8	+7%	deaths under age 18 per 100,000
Infant mortality	n/a	6.2	n/a	deaths under age 1 per 1,000 live births
Injury deaths	142.1	96.9	+47%	deaths per 100,000
Drug overdose deaths	45.4	28.6	+59%	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.

Formaldehyde19.67 per million
Carbon Tetrachloride2.94 per million
Acetaldehyde1.98 per million
Benzene0.68 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit159
Rail grade crossing73
Air permit holder (minor source)13
Gas station (mapped facility)7
Brownfield property3
Correctional facility (prison or jail)3
TRI reporting facility3
Toxic chemical release facility (TRI)3
Public airport2
Large hazardous waste generator2
Small hazardous waste generator2
Major air pollution source1
Commercial airport1
Auto repair or body shop (mapped facility)1
Heliport1
Landfill (mapped facility)1
Solar power 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.

Dsm Nutritional Products, Kingstree
TRI reporting facility. Penalties $11,500.
EPA FRS registry ID 110000587525 (U.S. EPA ECHO) Agency record
Severity 9.8
Dsm Nutritional Products, Kingstree
Major air pollution source. Penalties $11,500.
EPA FRS registry ID 110000587525 (U.S. EPA ECHO) Agency record
Severity 7.5
Upl Na Inc., Kingstree
Toxic chemical release facility (TRI). Chemicals: Certain glycol ethers, 1,2,4-Trimethylbenzene, Naphthalene. Reports carcinogens. 3,870 lbs released over 5 years.
TRI facility ID 29556FRSTNEASTL (U.S. EPA Toxics Release Inventory)
Severity 7.3
Dsm Nutritional Products, Kingstree
Large hazardous waste generator. Penalties $11,500.
EPA FRS registry ID 110000587525 (U.S. EPA ECHO) Agency record
Severity 7
Dsm Nutritional Products, Kingstree
NPDES wastewater discharge permit. Penalties $11,500.
EPA FRS registry ID 110000587525 (U.S. EPA ECHO) Agency record
Severity 7
Federal Correctional Institution Williamsburg, Salters
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 789 lbs released over 5 years.
TRI facility ID 2959WFDRLC831HI (U.S. EPA Toxics Release Inventory)
Severity 6.7
Dsm Nutritional Products Llc, Kingstree
Toxic chemical release facility (TRI). Chemicals: Ammonia, n-Hexane. 53,887 lbs released over 5 years.
TRI facility ID 29556NTRNTHWY52 (U.S. EPA Toxics Release Inventory)
Severity 6.6
Kingstree Wastewater Treatment Plant, Kingstree
NPDES wastewater discharge permit.
EPA FRS registry ID 110000710605 (U.S. EPA ECHO) Agency record
Severity 6
Firestone Buliding Products Co, Kingstree
TRI reporting facility.
EPA FRS registry ID 110008055941 (U.S. EPA ECHO) Agency record
Severity 5.7
Hemingway Town Of (Sc4510004)-Plant Well 2(G45107) Tupperware, Hemingway
NPDES wastewater discharge permit.
EPA FRS registry ID 110006189908 (U.S. EPA ECHO) Agency record
Severity 4.5
Williamsburg Co Santee Rv Wwtf, Greeleyville
NPDES wastewater discharge permit.
EPA FRS registry ID 110009792974 (U.S. EPA ECHO) Agency record
Severity 4.5
Federal Correctional Institution Williamsburg, Salters
TRI reporting facility.
EPA FRS registry ID 110039019488 (U.S. EPA ECHO) Agency record
Severity 4
Former Milliken Plant, Kingstree
Brownfield property.
EPA FRS registry ID 110071966859 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Springfield Holt Property, Kingstree
Brownfield property.
EPA FRS registry ID 110071968961 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Belk Property, Kingstree
Brownfield property.
EPA FRS registry ID 110071968963 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Nan Ya Plastics, Lake City
NPDES wastewater discharge permit.
EPA FRS registry ID 110057188699 (U.S. EPA ECHO) Agency record
Severity 3
House Of Raeford Farms, Inc., Nesmith
NPDES wastewater discharge permit. Penalties $6,000.
EPA FRS registry ID 110064876692 (U.S. EPA ECHO) Agency record
Severity 3
Nutrien Ag Solutions, Kingstree
Large hazardous waste generator.
EPA FRS registry ID 110067104207 (U.S. EPA ECHO) Agency record
Severity 3
American Materials Company Llc/Andrews Mine, Andrews
NPDES wastewater discharge permit.
EPA FRS registry ID 110070601658 (U.S. EPA ECHO) Agency record
Severity 2.5
Payne Properties, Llc/Payne Properties Pit, Kingstree
NPDES wastewater discharge permit.
EPA FRS registry ID 110071823818 (U.S. EPA ECHO) Agency record
Severity 2.3
Eastland Ave Mcgill Dirt Pit, Kingstree
NPDES wastewater discharge permit.
EPA FRS registry ID 110071369597 (U.S. EPA ECHO) Agency record
Severity 2
Kellahan/Cedar Swamp Rd Mine, Kingstree
NPDES wastewater discharge permit.
EPA FRS registry ID 110071825998 (U.S. EPA ECHO) Agency record
Severity 2
Williamsburg Rgnl, Kingstree
Commercial airport. O.
Record ID CKI (FAA / U.S. DOT)
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1080710379 (OpenStreetMap contributors) Agency record
Severity 2
Landfill
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/421624412 (OpenStreetMap contributors) Agency record
Severity 2

Correctional facilities

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

Williamsburg Federal Correctional Institute, Salters
EPA FRS registry ID
110012165012
Wastewater permit
None on record
EPA detailed facility report
Federal Correctional Institution Williamsburg, Salters
EPA FRS registry ID
110039019488
Wastewater permit
None on record
EPA detailed facility report
Fci Williamsburg, Federal Bureau Of Prison, Salters
EPA FRS registry ID
110071248841
Wastewater permit
None on record
EPA detailed facility report

Discovery / public records

Records to request for Williamsburg 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 Williamsburg 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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