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Williamson County, Illinois: environmental and disease records

Cancer mortality in Williamson County is 159 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 1.5 times the U.S. rate. Federal databases place 490 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (108), Rail grade crossing (105), Industrial wastewater discharge (98). 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: 37.7247, -88.9297.

How this county ranks in Illinois

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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 Williamson County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Lung & bronchusNew cases80.951.81.56xSignificant73.1 to 89.42019-2023
Lung & bronchusDeaths44.430.21.47xSignificant38.7 to 50.82020-2024
EsophagusDeaths5.23.71.41x3.4 to 7.82020-2024
BladderDeaths5.64.11.37x3.6 to 8.42020-2024
EsophagusNew cases6.24.61.35x4.2 to 92019-2023
LeukemiaDeaths7.55.71.32x5.2 to 10.72020-2024
Melanoma of the skinNew cases3023.81.26xSignificant24.8 to 362019-2023
ThyroidNew cases16.3131.25x12.2 to 21.42019-2023
Kidney & renal pelvisNew cases21.317.91.19x17.1 to 26.32019-2023
All cancerNew cases507.5453.41.12xSignificant486.5 to 529.32019-2023
All cancerDeaths159143.21.11xSignificant147.7 to 170.92020-2024
LeukemiaNew cases1614.51.1x12.3 to 20.62019-2023
StomachNew cases6.96.61.05x4.8 to 9.82019-2023
BladderNew cases18.918.71.01x15.2 to 23.32019-2023
Liver & bile ductDeaths6.36.60.95x4.2 to 92020-2024
Kidney & renal pelvisDeaths3.23.40.94x1.8 to 5.32020-2024
Non-Hodgkin lymphomaDeaths4.34.80.9x2.6 to 6.72020-2024
Non-Hodgkin lymphomaNew cases16.318.50.88x12.7 to 20.72019-2023
Brain & nervous systemNew cases5.46.20.87x3.3 to 8.42019-2023
PancreasDeaths9.511.30.84x6.9 to 12.92020-2024
Liver & bile ductNew cases7.18.70.82x4.9 to 10.22019-2023
PancreasNew cases1113.90.79x8.1 to 14.62019-2023

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 Williamson County
MeasureCountyU.S. medianDifferenceUnit
Premature death9,023.39,842.6-8%years of life lost before age 75 per 100,000
Life expectancy75.575.3+0%years
Child mortality46.559.8-22%deaths under age 18 per 100,000
Infant mortality5.96.2-5%deaths under age 1 per 1,000 live births
Injury deaths81.896.9-16%deaths per 100,000
Drug overdose deaths24.528.6-14%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.

  • Formaldehyde20.55 per million
  • Carbon Tetrachloride2.96 per million
  • Acetaldehyde1.99 per million
  • Benzene0.83 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

  • NPDES wastewater discharge permit108
  • Rail grade crossing105
  • Industrial wastewater discharge98
  • Air permit holder (minor source)85
  • Gas station (mapped facility)27
  • Small hazardous waste generator11
  • TRI reporting facility8
  • Toxic chemical release facility (TRI)8
  • Wastewater plant (mapped facility)8
  • Auto repair or body shop (mapped facility)7
  • Large hazardous waste generator6
  • Solar power plant4
  • Brownfield property3
  • Heliport3
  • Major air pollution source2
  • Hazardous waste transporter2
  • Commercial airport1
  • Correctional facility (prison or jail)1
  • Large greenhouse gas emitter1
  • Gas power plant1
  • Superfund (NPL) site1

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. Sangamo Electric Dump/Crab Orchard National Wildlife Refuge (USDOI), Carterville

    Superfund (NPL) site. Hazard Ranking System score 43.7. NPL Site.

    EPA site ID IL8143609487 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Southern Illinois Power Cooper Ative, Marion

    TRI reporting facility.

    EPA FRS registry ID 110017420049 (U.S. EPA ECHO) Agency record

    Severity 9.3

  3. Williamson Energy, Marion

    Toxic chemical release facility (TRI). Chemicals: Lead, Mercury, Ethylene glycol. Reports carcinogens. 713,167 lbs released over 5 years.

    TRI facility ID 6295WWLLMS16468 (U.S. EPA Toxics Release Inventory)

    Severity 9

  4. Southern Illinois Power Cooperative, Marion

    Toxic chemical release facility (TRI). Chemicals: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia and 4 more. Reports carcinogens. 511,958 lbs released over 5 years.

    TRI facility ID 62959STHRN11543 (U.S. EPA Toxics Release Inventory)

    Severity 8.9

  5. Aisin Manufacturing Illinois Llc, Marion

    Toxic chemical release facility (TRI). Chemicals: Copper, Manganese, Lead, Ethylene glycol and 1 more. Reports carcinogens. 4,088 lbs released over 5 years.

    TRI facility ID 62959SNLGH19RED (U.S. EPA Toxics Release Inventory)

    Severity 7.3

  6. U.S.P. Marion, Marion

    Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 2,802 lbs released over 5 years.

    TRI facility ID 6295WSPMRN45PRI (U.S. EPA Toxics Release Inventory)

    Severity 7.1

  7. Southern Illinois Power Cooper Ative, Marion

    Major air pollution source.

    EPA FRS registry ID 110017420049 (U.S. EPA ECHO) Agency record

    Severity 6.5

  8. Williamson Energy, Marion

    TRI reporting facility.

    EPA FRS registry ID 110067390291 (U.S. EPA ECHO) Agency record

    Severity 6.4

  9. Aisin Mfg Illinois Llc, Marion

    TRI reporting facility.

    EPA FRS registry ID 110012280799 (U.S. EPA ECHO) Agency record

    Severity 6.1

  10. Perma-Treat Of Illinois Inc, Marion

    Large hazardous waste generator.

    EPA FRS registry ID 110000440014 (U.S. EPA ECHO) Agency record

    Severity 6

  11. Perma-Treat Of Illinois Inc, Marion

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110000440014 (U.S. EPA ECHO) Agency record

    Severity 6

  12. Southern Illinois Power Cooper Ative, Marion

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110017420049 (U.S. EPA ECHO) Agency record

    Severity 6

  13. T&T Recycling Inc, Hurst

    Large hazardous waste generator.

    EPA FRS registry ID 110018302415 (U.S. EPA ECHO) Agency record

    Severity 6

  14. Diagraph Marking & Coding, Marion

    Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers). 3,562 lbs released over 5 years.

    TRI facility ID 62959DGRPH5307M (U.S. EPA Toxics Release Inventory)

    Severity 5.7

  15. Southern Illinois Power Cooper Ative, Marion

    Large greenhouse gas emitter.

    EPA FRS registry ID 110017420049 (U.S. EPA ECHO) Agency record

    Severity 5.5

  16. Diagaph/Itw Co, Marion

    TRI reporting facility.

    EPA FRS registry ID 110018280386 (U.S. EPA ECHO) Agency record

    Severity 5.3

  17. U.S.P. Marion, Marion

    TRI reporting facility.

    EPA FRS registry ID 110043670970 (U.S. EPA ECHO) Agency record

    Severity 5.3

  18. Veterans Airport Of Southern Illinois, Marion

    Commercial airport. O.

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

    Severity 5

  19. T&T Recycling Inc, Hurst

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110018302415 (U.S. EPA ECHO) Agency record

    Severity 4.5

  20. Excel Mining Systems Marion, Marion

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110018390953 (U.S. EPA ECHO) Agency record

    Severity 4.5

  21. Target Store 0674, Marion

    Small hazardous waste generator.

    EPA FRS registry ID 110024470730 (U.S. EPA ECHO) Agency record

    Severity 4.5

  22. Reaco Battery Service Corp, Johnston City

    TRI reporting facility.

    EPA FRS registry ID 110041968369 (U.S. EPA ECHO) Agency record

    Severity 4.5

  23. Beck Bus Transportation Corporation, Herrin

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110043482228 (U.S. EPA ECHO) Agency record

    Severity 4.5

  24. Marion, City Of, Marion

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110064372691 (U.S. EPA ECHO) Agency record

    Severity 4.5

  25. General Dynamics Ordnance & Tactical Systems Inc I Area, Marion

    Toxic chemical release facility (TRI). Chemicals: Dibutyl phthalate, 2,4-Dinitrotoluene, Dichloromethane, Nitroglycerin. Reports carcinogens.

    TRI facility ID 62959LNCRPRTE14 (U.S. EPA Toxics Release Inventory)

    Severity 4.5

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 Williamson County

  • Illinois 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 Williamson County, and their findings.

  • Illinois vital statistics office

    Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.

  • Illinois health department, environmental epidemiology

    Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.

  • Illinois 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.

  • Illinois 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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