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Blount County, Tennessee: environmental and disease records

Cancer mortality in Blount County is 154.6 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 1.3 times the U.S. rate. Federal databases place 587 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (374), Rail grade crossing (47), Gas station (mapped facility) (43). 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: 35.6775, -83.9096.

How this county ranks in Tennessee

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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 Blount County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Lung & bronchusNew cases71.351.81.38xSignificant66.3 to 76.62019-2023
Melanoma of the skinNew cases31.723.81.33xSignificant28 to 35.82019-2023
Lung & bronchusDeaths39.530.21.31xSignificant35.9 to 43.62020-2024
BladderNew cases2418.71.28xSignificant21.1 to 27.32019-2023
EsophagusNew cases5.94.61.28x4.5 to 7.72019-2023
LeukemiaDeaths7.15.71.25x5.5 to 92020-2024
EsophagusDeaths4.23.71.14x3 to 5.72020-2024
Brain & nervous systemNew cases76.21.13x5.2 to 9.12019-2023
Brain & nervous systemDeaths4.94.41.11x3.6 to 6.52020-2024
Kidney & renal pelvisNew cases19.817.91.11x17 to 232019-2023
All cancerDeaths154.6143.21.08xSignificant146.9 to 162.52020-2024
Liver & bile ductDeaths6.96.61.05x5.3 to 8.82020-2024
Non-Hodgkin lymphomaDeaths54.81.04x3.8 to 6.72020-2024
All cancerNew cases469.3453.41.04xSignificant455.4 to 483.52019-2023
Kidney & renal pelvisDeaths3.43.41x2.4 to 4.82020-2024
Non-Hodgkin lymphomaNew cases17.218.50.93x14.6 to 20.12019-2023
PancreasDeaths10.511.30.93x8.6 to 12.82020-2024
Melanoma of the skinDeaths1.820.9x1.1 to 2.92020-2024
ThyroidNew cases11.7130.9x9.3 to 14.52019-2023
LeukemiaNew cases12.814.50.88x10.5 to 15.42019-2023
BladderDeaths3.64.10.88x2.5 to 52020-2024
PancreasNew cases12.113.90.87x10 to 14.52019-2023
Liver & bile ductNew cases7.18.70.82x5.6 to 92019-2023
StomachDeaths2.12.70.78x1.3 to 3.22020-2024
StomachNew cases4.86.60.73x3.6 to 6.42019-2023

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 Blount County
MeasureCountyU.S. medianDifferenceUnit
Premature death10,637.49,842.6+8%years of life lost before age 75 per 100,000
Life expectancy74.875.3-1%years
Child mortality46.959.8-22%deaths under age 18 per 100,000
Infant mortality4.96.2-20%deaths under age 1 per 1,000 live births
Injury deaths115.496.9+19%deaths per 100,000
Drug overdose deaths56.528.6+98%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.

  • Formaldehyde22.91 per million
  • Carbon Tetrachloride2.87 per million
  • Acetaldehyde2.4 per million
  • Benzene1.19 per million

EPA Air Quality Index 2025

Monitored on 365 days: 261 good, 1 unhealthy for sensitive groups or worse. Median AQI 44, peak 101.

Regulated facilities, sites and hazards by type

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

  • NPDES wastewater discharge permit374
  • Rail grade crossing47
  • Gas station (mapped facility)43
  • Air permit holder (minor source)38
  • Small hazardous waste generator14
  • Large hazardous waste generator12
  • Toxic chemical release facility (TRI)12
  • TRI reporting facility11
  • Auto repair or body shop (mapped facility)7
  • Public airport5
  • Major air pollution source4
  • Scrapyard (mapped facility)4
  • EPA air quality monitor3
  • Wastewater plant (mapped facility)3
  • Dry cleaner (mapped facility)2
  • Large greenhouse gas emitter2
  • Hazardous waste transporter2
  • Commercial airport1
  • Brownfield property1
  • Landfill (mapped facility)1
  • Hydroelectric 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. Skier'S Choice Inc, Maryville

    Toxic chemical release facility (TRI). Chemicals: Styrene, Methyl methacrylate, Diisocyanates. Reports carcinogens. 1,188,495 lbs released over 5 years.

    TRI facility ID 37801SCHLG1717H (U.S. EPA Toxics Release Inventory)

    Severity 9.2

  2. Arconic Us Llc, Alcoa

    Toxic chemical release facility (TRI). Chemicals: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Aluminum (fume or dust), Manganese, Lead and 4 more. Reports carcinogens. 383,355 lbs released over 5 years.

    TRI facility ID 37701LMNMCPOBOX (U.S. EPA Toxics Release Inventory)

    Severity 8.8

  3. Skier'S Choice Inc, Maryville

    TRI reporting facility. Penalties $8,000.

    EPA FRS registry ID 110022918253 (U.S. EPA ECHO) Agency record

    Severity 8

  4. Denso Manufacturing Tennessee Inc, Maryville

    Toxic chemical release facility (TRI). Chemicals: Zinc (fume or dust), Lead, Copper, Manganese and 3 more. Reports carcinogens. 18,899 lbs released over 5 years.

    TRI facility ID 37801NPPND1720R (U.S. EPA Toxics Release Inventory)

    Severity 7.8

  5. Reckless Industries Llc, Maryville

    Toxic chemical release facility (TRI). Chemicals: Styrene. Reports carcinogens. 10,509 lbs released over 5 years.

    TRI facility ID 3780WRCKLS613US (U.S. EPA Toxics Release Inventory)

    Severity 7.6

  6. Flex-N-Gate Rockford, Rockford

    Toxic chemical release facility (TRI). Chemicals: Methanol, Methyl isobutyl ketone, n-Butyl alcohol. Reports carcinogens. 2,806 lbs released over 5 years.

    TRI facility ID 3785WCPRST246ST (U.S. EPA Toxics Release Inventory)

    Severity 7.1

  7. Denso Manufacturing Tennessee Inc., Maryville

    TRI reporting facility. Penalties $8,000.

    EPA FRS registry ID 110070733650 (U.S. EPA ECHO) Agency record

    Severity 7

  8. Royal Metal Powders Inc., Maryville

    Toxic chemical release facility (TRI). Chemicals: Copper, Lead, Ammonia. Reports carcinogens. 1,285 lbs released over 5 years.

    TRI facility ID 37801NTDSTROUTE (U.S. EPA Toxics Release Inventory)

    Severity 6.9

  9. Arconic Tennessee Llc, Alcoa

    Major air pollution source. Penalties $13,500.

    EPA FRS registry ID 110070828214 (U.S. EPA ECHO) Agency record

    Severity 6.8

  10. Nisus Corp, Rockford

    Toxic chemical release facility (TRI). Chemicals: Copper And Copper Compounds, Zinc compounds, Copper compounds, Ethylene glycol. 25,101 lbs released over 5 years.

    TRI facility ID 3785WNSSCR1NISU (U.S. EPA Toxics Release Inventory)

    Severity 6.4

  11. Alcoa Inc - North Plant, Alcoa

    TRI reporting facility.

    EPA FRS registry ID 110000916812 (U.S. EPA ECHO) Agency record

    Severity 6.3

  12. Arconic Tennessee Llc, Alcoa

    Large hazardous waste generator. Penalties $13,500.

    EPA FRS registry ID 110070828214 (U.S. EPA ECHO) Agency record

    Severity 6.3

  13. Arconic Tennessee Llc, Alcoa

    NPDES wastewater discharge permit. Penalties $13,500.

    EPA FRS registry ID 110070828214 (U.S. EPA ECHO) Agency record

    Severity 6.3

  14. Great Smoky Mountains NP

    EPA air quality monitor.

    Record ID 470090101 (U.S. EPA AirData)

    Severity 5.9

  15. Wastewater Treatment Plant, Louisville

    NPDES wastewater discharge permit. Penalties $5,712.

    EPA FRS registry ID 110000574815 (U.S. EPA ECHO) Agency record

    Severity 5.8

  16. Nisus Corp, Rockford

    TRI reporting facility.

    EPA FRS registry ID 110038272847 (U.S. EPA ECHO) Agency record

    Severity 5.7

  17. Reckless Industries, Maryville

    TRI reporting facility.

    EPA FRS registry ID 110070106248 (U.S. EPA ECHO) Agency record

    Severity 5.3

  18. Denso Manufacturing Tennessee Inc., Maryville

    Major air pollution source. Penalties $8,000.

    EPA FRS registry ID 110070733650 (U.S. EPA ECHO) Agency record

    Severity 5.3

  19. Flex-N-Gate Rockford, Rockford

    TRI reporting facility.

    EPA FRS registry ID 110005008883 (U.S. EPA ECHO) Agency record

    Severity 5.1

  20. Royal Metal Powders, Inc., Maryville

    TRI reporting facility.

    EPA FRS registry ID 110000372766 (U.S. EPA ECHO) Agency record

    Severity 5.1

  21. Skier'S Choice Inc, Maryville

    Major air pollution source. Penalties $8,000.

    EPA FRS registry ID 110022918253 (U.S. EPA ECHO) Agency record

    Severity 5

  22. Mc Ghee Tyson, Knoxville

    Commercial airport. O.

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

    Severity 5

  23. Denso Manufacturing Tennessee Inc., Maryville

    Large hazardous waste generator. Penalties $8,000.

    EPA FRS registry ID 110070733650 (U.S. EPA ECHO) Agency record

    Severity 4.8

  24. Denso Manufacturing Tennessee Inc., Maryville

    NPDES wastewater discharge permit. Penalties $8,000.

    EPA FRS registry ID 110070733650 (U.S. EPA ECHO) Agency record

    Severity 4.8

  25. Smith & Wesson Brands Inc., Maryville

    Toxic chemical release facility (TRI). Chemicals: Lead And Lead Compounds, Lead. Reports carcinogens. 1 lbs released over 5 years.

    TRI facility ID 3780WSMTHW1852P (U.S. EPA Toxics Release Inventory)

    Severity 4.7

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 Blount County

  • Tennessee 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 Blount County, and their findings.

  • Tennessee vital statistics office

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

  • Tennessee health department, environmental epidemiology

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

  • Tennessee 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.

  • Tennessee 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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