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McCormick County, South Carolina: environmental and disease records

Cancer mortality in McCormick County is 144.2 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 96 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (53), NPDES wastewater discharge permit (22), Gas station (mapped facility) (7). 2 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: 33.835, -82.2335.

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 McCormick County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Kidney & renal pelvisNew cases2417.91.34x13.4 to 42.32019-2023
Lung & bronchusNew cases58.451.81.13x44.1 to 79.22019-2023
PancreasNew cases15.613.91.12x8.9 to 30.12019-2023
PancreasDeaths12.611.31.12x7.4 to 25.42020-2024
All cancerNew cases465.3453.41.03x417.3 to 519.22019-2023
All cancerDeaths144.2143.21.01x120.6 to 173.72020-2024
BladderNew cases17.418.70.93x10.4 to 31.92019-2023
Melanoma of the skinNew cases21.123.80.89x13.3 to 36.12019-2023
Lung & bronchusDeaths25.230.20.83x17.1 to 40.22020-2024

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 McCormick County
MeasureCountyU.S. medianDifferenceUnit
Premature death14,226.49,842.6+45%years of life lost before age 75 per 100,000
Life expectancy73.375.3-3%years
Child mortalityn/a59.8n/adeaths under age 18 per 100,000
Infant mortalityn/a6.2n/adeaths under age 1 per 1,000 live births
Injury deaths112.996.9+16%deaths per 100,000
Drug overdose deathsn/a28.6n/adeaths 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.

  • Formaldehyde22.84 per million
  • Carbon Tetrachloride2.91 per million
  • Acetaldehyde2.37 per million
  • Benzene0.74 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

  • Rail grade crossing53
  • NPDES wastewater discharge permit22
  • Gas station (mapped facility)7
  • Air permit holder (minor source)4
  • Correctional facility (prison or jail)2
  • Airfield1
  • Public airport1
  • Brownfield property1
  • Large hazardous waste generator1
  • Industrial wastewater discharge1
  • Hydroelectric plant1
  • Superfund (NPL) site1
  • 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.

  1. Barite Hill/Nevada Goldfields, Mccormick

    Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.

    EPA site ID SCN000407714 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Mccormick Cpw Wwtp, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110017301551 (U.S. EPA ECHO) Agency record

    Severity 5.8

  3. Milliken Mccormick, Mc Cormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110001674867 (U.S. EPA ECHO) Agency record

    Severity 4.5

  4. Milliken Mccormick, Mc Cormick

    Air permit holder (minor source).

    EPA FRS registry ID 110001674867 (U.S. EPA ECHO) Agency record

    Severity 4

  5. Lloyd Cannadys Place, Parksville

    Brownfield property.

    EPA FRS registry ID 110060913025 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  6. Mccormick Cpw, Mc Cormick

    Large hazardous waste generator.

    EPA FRS registry ID x437e3fb59bed5e8de7804e4773a2591c (U.S. EPA ECHO) Agency record

    Severity 3

  7. Mc Cormick County, Mc Cormick

    Public airport. O.

    Record ID S19 (FAA / U.S. DOT)

    Severity 2

  8. Wastewater Plant

    Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.

    Record ID way/1357100197 (OpenStreetMap contributors) Agency record

    Severity 2

  9. Us Army J Strom Thurmond Pwrpl, Clarks Hill

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110001138304 (U.S. EPA ECHO) Agency record

    Severity 1.8

  10. Gs Ii, Inc/Plum Branch Mine, Plum Branch

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110007025165 (U.S. EPA ECHO) Agency record

    Severity 1.8

  11. Mccormick Rocky Creek Wwtf, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110012630144 (U.S. EPA ECHO) Agency record

    Severity 1.5

  12. Oldfield, Unknown

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070025769 (U.S. EPA ECHO) Agency record

    Severity 1.5

  13. Stella-Jones Corporation, Modoc

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071203019 (U.S. EPA ECHO) Agency record

    Severity 1.5

  14. Mccormick Drill Site, N/A

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071912047 (U.S. EPA ECHO) Agency record

    Severity 1.5

  15. Ewart Residence, Clarks Hill

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071915471 (U.S. EPA ECHO) Agency record

    Severity 1.5

  16. Hooks - Thurmond 115kv Rebuild, Clarks Hill

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071917537 (U.S. EPA ECHO) Agency record

    Severity 1.5

  17. Chamberlains Ferry Storage, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071920195 (U.S. EPA ECHO) Agency record

    Severity 1.5

  18. Mccormick School Site Drainage & Improvements, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071923481 (U.S. EPA ECHO) Agency record

    Severity 1.5

  19. Ws Mims Community Center Improvements, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071924300 (U.S. EPA ECHO) Agency record

    Severity 1.5

  20. Augusta Street Streetscape Improvements, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071927084 (U.S. EPA ECHO) Agency record

    Severity 1.5

  21. Russell Kirkland, N/A

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071930045 (U.S. EPA ECHO) Agency record

    Severity 1.5

  22. Mccormick County Airport Runway Obstruction Project, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071933915 (U.S. EPA ECHO) Agency record

    Severity 1.5

  23. Water Toy Boat & Rv Storage, Modoc

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071934446 (U.S. EPA ECHO) Agency record

    Severity 1.5

  24. Square 1, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071949932 (U.S. EPA ECHO) Agency record

    Severity 1.5

  25. Laurel Park Townhomes, Mccormick

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110072082315 (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.

Discovery / public records

Records to request for McCormick 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 McCormick 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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