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Marion County, Indiana: environmental and disease records

Cancer mortality in Marion County is 171.7 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 1.4 times the U.S. rate and Kidney & renal pelvis deaths at 1.4 times the U.S. rate. Federal databases place 3,143 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (835), Industrial wastewater discharge (533), Gas station (mapped facility) (289). 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: 39.781, -86.1394.

How this county ranks in Indiana

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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
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Lung & bronchusDeaths43.530.21.44xSignificant41.6 to 45.42020-2024
ThyroidDeaths0.70.51.4x0.5 to 12020-2024
Lung & bronchusNew cases70.751.81.36xSignificant68.4 to 73.12019-2023
Kidney & renal pelvisDeaths4.63.41.35xSignificant4 to 5.32020-2024
Liver & bile ductNew cases11.78.71.34xSignificant10.7 to 12.62019-2023
Liver & bile ductDeaths8.56.61.29xSignificant7.7 to 9.32020-2024
EsophagusDeaths4.63.71.24xSignificant4 to 5.32020-2024
All cancerDeaths171.7143.21.2xSignificant167.9 to 175.52020-2024
EsophagusNew cases5.54.61.2xSignificant4.9 to 6.22019-2023
Childhood cancer (under 15)Deaths2.21.91.16x1.4 to 3.32020-2024
Non-Hodgkin lymphomaDeaths5.54.81.15xSignificant4.9 to 6.32020-2024
Kidney & renal pelvisNew cases20.317.91.13xSignificant19 to 21.62019-2023
PancreasDeaths12.711.31.12xSignificant11.7 to 13.82020-2024
PancreasNew cases15.413.91.11xSignificant14.3 to 16.52019-2023
StomachNew cases76.61.06x6.2 to 7.82019-2023
All cancerNew cases477.2453.41.05xSignificant471 to 483.42019-2023
Non-Hodgkin lymphomaNew cases18.818.51.02x17.5 to 20.12019-2023
LeukemiaNew cases14.614.51.01x13.6 to 15.82019-2023
LeukemiaDeaths5.75.71x5.1 to 6.52020-2024
BladderNew cases18.318.70.98x17.1 to 19.62019-2023
BladderDeaths44.10.98x3.4 to 4.62020-2024
Brain & nervous systemNew cases5.86.20.94x5.2 to 6.62019-2023
Melanoma of the skinDeaths1.820.9x1.4 to 2.22020-2024
StomachDeaths2.42.70.89x2 to 2.92020-2024
Brain & nervous systemDeaths3.94.40.89x3.4 to 4.52020-2024
Childhood cancer (under 15)New cases1416.40.85x11.8 to 16.42019-2023
ThyroidNew cases10.8130.83x9.9 to 11.82019-2023
Melanoma of the skinNew cases1623.80.67x14.9 to 17.22019-2023

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
MeasureCountyU.S. medianDifferenceUnit
Premature death12,609.69,842.6+28%years of life lost before age 75 per 100,000
Life expectancy7375.3-3%years
Child mortality85.259.8+43%deaths under age 18 per 100,000
Infant mortality86.2+29%deaths under age 1 per 1,000 live births
Injury deaths131.296.9+35%deaths per 100,000
Drug overdose deaths69.728.6+144%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.

  • Formaldehyde18.74 per million
  • Carbon Tetrachloride2.94 per million
  • Naphthalene2.37 per million
  • Acetaldehyde1.83 per million

EPA Air Quality Index 2025

Monitored on 365 days: 146 good, 5 unhealthy for sensitive groups or worse. Median AQI 54, peak 170.

Regulated facilities, sites and hazards by type

3,143 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

  • NPDES wastewater discharge permit835
  • Industrial wastewater discharge533
  • Gas station (mapped facility)289
  • Rail grade crossing248
  • Auto repair or body shop (mapped facility)179
  • Brownfield property173
  • Small hazardous waste generator169
  • Air permit holder (minor source)154
  • Combined sewer overflow outfall149
  • Toxic chemical release facility (TRI)75
  • TRI reporting facility64
  • Large hazardous waste generator63
  • Hazardous waste transporter63
  • Major air pollution source37
  • Scrapyard (mapped facility)23
  • Solar power plant18
  • Heliport14
  • Dry cleaner (mapped facility)12
  • Large greenhouse gas emitter12
  • EPA air quality monitor9
  • Wastewater plant (mapped facility)7
  • Landfill (mapped facility)4
  • Gas power plant3
  • Commercial airport2
  • Correctional facility (prison or jail)2
  • Superfund (NPL) site2
  • Public airport1
  • Crematorium (mapped facility)1
  • Biomass power plant1
  • Oil-fired power plant1

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. Reilly Tar & Chemical Corp. (Indianapolis Plant), Indianapolis

    Superfund (NPL) site. Hazard Ranking System score 34. NPL Site.

    EPA site ID IND000807107 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Keystone Corridor Ground Water Contamination, Indianapolis

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

    EPA site ID INN000510399 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  3. Heritage Environmental Services, Llc, Indianapolis

    TRI reporting facility. Penalties $8,200.

    EPA FRS registry ID 110000397393 (U.S. EPA ECHO) Agency record

    Severity 9.5

  4. National Starch Llc - Indianapolis, Indianapolis

    TRI reporting facility. Penalties $1,730,600.

    EPA FRS registry ID 110000397197 (U.S. EPA ECHO) Agency record

    Severity 8.9

  5. Heritage-Crystal Clean Llc - Indianapolis Facility, Indianapolis

    TRI reporting facility. Penalties $1,370,698.

    EPA FRS registry ID 110000493644 (U.S. EPA ECHO) Agency record

    Severity 8.8

  6. 1500 South Tibbs Llc, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Pyridine, Propylene, Ethylene, 2-Methylpyridine and 4 more. Reports carcinogens. 177,213 lbs released over 5 years.

    TRI facility ID 46241RLLYT1500S (U.S. EPA Toxics Release Inventory)

    Severity 8.5

  7. Allison Transmission Inc, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Methanol, Nickel, Manganese and 4 more. Reports carcinogens. 152,404 lbs released over 5 years.

    TRI facility ID 46206LLSNT4700W (U.S. EPA Toxics Release Inventory)

    Severity 8.5

  8. Superior Industrial Solutions Inc., Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Toluene, Methanol, n-Hexane, Xylene (mixed isomers) and 4 more. Reports carcinogens. 115,840 lbs released over 5 years.

    TRI facility ID 46225SPRRL400WR (U.S. EPA Toxics Release Inventory)

    Severity 8.4

  9. Ingredion Inc Indianapolis Plant, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Propylene oxide, Acetaldehyde, Formaldehyde. Reports carcinogens. 103,746 lbs released over 5 years.

    TRI facility ID 46221NTNLS1515D (U.S. EPA Toxics Release Inventory)

    Severity 8.3

  10. Lilly Technology Center, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Acetonitrile, Methyl tert-butyl ether, Formic acid, Ammonia and 1 more. Reports carcinogens. 53,636 lbs released over 5 years.

    TRI facility ID 46285LLLLY1555K (U.S. EPA Toxics Release Inventory)

    Severity 8.1

  11. Ipl - Harding Street Station, Indianapolis

    TRI reporting facility. Penalties $10,000.

    EPA FRS registry ID 110000396991 (U.S. EPA ECHO) Agency record

    Severity 8

  12. Royal Spa Corp, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Styrene. Reports carcinogens. 25,091 lbs released over 5 years.

    TRI facility ID 46217RYLSP2041W (U.S. EPA Toxics Release Inventory)

    Severity 7.9

  13. Allison Transmission Inc, Indianapolis

    TRI reporting facility.

    EPA FRS registry ID 110000396946 (U.S. EPA ECHO) Agency record

    Severity 7.8

  14. Mplx Terminals Llc - Speedway In Terminal, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Toluene, Benzene, Xylene (mixed isomers) and 4 more. Reports carcinogens. 16,219 lbs released over 5 years.

    TRI facility ID 46224SPDWY1304O (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  15. Mplx Terminals Llc - Indianapolis In Terminal, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Toluene, Benzene, Xylene (mixed isomers) and 4 more. Reports carcinogens. 15,456 lbs released over 5 years.

    TRI facility ID 46268MRTHN4955R (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  16. Brenntag Mid-South Inc, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Tetrachloroethylene, Toluene, Methyl tert-butyl ether and 4 more. Reports carcinogens. 15,260 lbs released over 5 years.

    TRI facility ID 46226LRCHC3111N (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  17. Rolls-Royce Corp-Indianapolis Operations Campus, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Nickel, Cobalt, Lead and 2 more. Reports carcinogens. 13,330 lbs released over 5 years.

    TRI facility ID 46206LLSNG2001S (U.S. EPA Toxics Release Inventory)

    Severity 7.7

  18. Heritage Environmental Services Llc, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Nitric acid, Zinc compounds, Nickel and 4 more. Reports carcinogens. 11,574 lbs released over 5 years.

    TRI facility ID 46231HRTGN7901W (U.S. EPA Toxics Release Inventory)

    Severity 7.6

  19. O'Neal Manufacturing Services, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Manganese, Nickel, Chromium, Copper. Reports carcinogens. 11,377 lbs released over 5 years.

    TRI facility ID 2623WNLSTL999EA (U.S. EPA Toxics Release Inventory)

    Severity 7.6

  20. Ipl - Harding Street Station, Indianapolis

    Major air pollution source. Penalties $10,000.

    EPA FRS registry ID 110000396991 (U.S. EPA ECHO) Agency record

    Severity 7.5

  21. Heritage-Crystal Clean Llc - Indianapolis Facility, Indianapolis

    Major air pollution source. Penalties $1,370,698.

    EPA FRS registry ID 110000493644 (U.S. EPA ECHO) Agency record

    Severity 7.5

  22. Elliott Co Of Indianapoli S Inc., Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Diisocyanates, 1-Bromopropane, Dichloromethane, Methanol and 4 more. Reports carcinogens. 7,060 lbs released over 5 years.

    TRI facility ID 46268LLTTC9200Z (U.S. EPA Toxics Release Inventory)

    Severity 7.5

  23. Indpls- W. 18th St./ Ernie Pyle School 90, Indianapolis (Remainder)

    EPA air quality monitor.

    Record ID 180970081 (U.S. EPA AirData)

    Severity 7.4

  24. Linde Advanced Material Technologies Inc, Indianapolis

    Toxic chemical release facility (TRI). Chemicals: Propylene, Nickel, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Cobalt And Cobalt Compounds and 3 more. Reports carcinogens. 4,282 lbs released over 5 years.

    TRI facility ID 46224NNCRB1500P (U.S. EPA Toxics Release Inventory)

    Severity 7.3

  25. Superior Metal Technologies, Indianapolis

    TRI reporting facility. Penalties $2,900.

    EPA FRS registry ID 110000779701 (U.S. EPA ECHO) Agency record

    Severity 7.3

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 Marion County

  • Indiana 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.

  • Indiana vital statistics office

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

  • Indiana health department, environmental epidemiology

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

  • Indiana 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.

  • Indiana 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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