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Olmsted County, Minnesota: environmental and disease records

Cancer mortality in Olmsted County is 129.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 469 regulated facilities, sites and hazards inside the county, led by Auto repair or body shop (mapped facility) (85), Rail grade crossing (67), Industrial wastewater discharge (60). 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: 44.0094, -92.3785.

How this county ranks in Minnesota

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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 Olmsted County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Melanoma of the skinNew cases63.423.82.66xSignificant58.2 to 68.92019-2023
ThyroidNew cases20131.54xSignificant17 to 23.32019-2023
Childhood cancer (under 15)New cases23.816.41.45xSignificant17 to 32.62019-2023
Brain & nervous systemDeaths5.74.41.3x4.3 to 7.52020-2024
Brain & nervous systemNew cases86.21.29x6.2 to 10.22019-2023
Non-Hodgkin lymphomaNew cases23.718.51.28xSignificant20.7 to 27.12019-2023
All cancerNew cases531.6453.41.17xSignificant516.8 to 546.72019-2023
LeukemiaNew cases16.814.51.16x14.2 to 19.62019-2023
LeukemiaDeaths6.65.71.16x5.1 to 8.42020-2024
Melanoma of the skinDeaths2.321.15x1.4 to 3.52020-2024
PancreasNew cases15.813.91.14x13.4 to 18.52019-2023
EsophagusNew cases5.14.61.11x3.8 to 6.82019-2023
PancreasDeaths11.311.31x9.3 to 13.62020-2024
Kidney & renal pelvisNew cases17.717.90.99x15 to 20.62019-2023
Liver & bile ductNew cases8.68.70.99x6.9 to 10.62019-2023
Lung & bronchusNew cases50.251.80.97x45.8 to 54.82019-2023
Liver & bile ductDeaths6.26.60.94x4.8 to 82020-2024
Non-Hodgkin lymphomaDeaths4.54.80.94x3.3 to 62020-2024
BladderNew cases17.318.70.93x14.8 to 20.22019-2023
StomachNew cases66.60.91x4.5 to 7.82019-2023
All cancerDeaths129.3143.20.9x122.3 to 136.52020-2024
Lung & bronchusDeaths25.830.20.85x22.8 to 29.12020-2024
StomachDeaths2.12.70.78x1.3 to 3.32020-2024
EsophagusDeaths2.73.70.73x1.7 to 3.92020-2024
Kidney & renal pelvisDeaths2.23.40.65x1.4 to 3.32020-2024
BladderDeaths2.34.10.56x1.5 to 3.52020-2024

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 Olmsted County
MeasureCountyU.S. medianDifferenceUnit
Premature death5,664.79,842.6-42%years of life lost before age 75 per 100,000
Life expectancy8175.3+8%years
Child mortality4959.8-18%deaths under age 18 per 100,000
Infant mortality5.16.2-17%deaths under age 1 per 1,000 live births
Injury deaths68.496.9-29%deaths per 100,000
Drug overdose deaths22.828.6-20%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.

  • Formaldehyde16.08 per million
  • Carbon Tetrachloride2.95 per million
  • Benzene2.53 per million
  • Naphthalene1.55 per million

EPA Air Quality Index 2025

Monitored on 344 days: 239 good, 8 unhealthy for sensitive groups or worse. Median AQI 39, peak 166.

Regulated facilities, sites and hazards by type

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

  • Auto repair or body shop (mapped facility)85
  • Rail grade crossing67
  • Industrial wastewater discharge60
  • Gas station (mapped facility)58
  • Air permit holder (minor source)48
  • Small hazardous waste generator40
  • NPDES wastewater discharge permit32
  • Major air pollution source11
  • Toxic chemical release facility (TRI)9
  • TRI reporting facility8
  • Solar power plant6
  • Scrapyard (mapped facility)6
  • Large greenhouse gas emitter5
  • Large hazardous waste generator5
  • Public airport4
  • Hazardous waste transporter4
  • Brownfield property3
  • Gas power plant3
  • Oil-fired power plant3
  • EPA air quality monitor2
  • Heliport2
  • Biomass power plant2
  • Commercial airport1
  • Correctional facility (prison or jail)1
  • Crematorium (mapped facility)1
  • Dry cleaner (mapped facility)1
  • Landfill (mapped facility)1
  • 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. Geotek Llc, Stewartville

    Toxic chemical release facility (TRI). Chemicals: Styrene, Diisocyanates. Reports carcinogens. 404,760 lbs released over 5 years.

    TRI facility ID 55976MNTRC14212 (U.S. EPA Toxics Release Inventory)

    Severity 8.8

  2. Geotek Llc (G2), Stewartville

    Toxic chemical release facility (TRI). Chemicals: Styrene, Diisocyanates. Reports carcinogens. 79,886 lbs released over 5 years.

    TRI facility ID 5597WGTKLL1RCHE (U.S. EPA Toxics Release Inventory)

    Severity 8.3

  3. Crenlo Engineered Cabs Llc - Plant 2, Rochester

    Toxic chemical release facility (TRI). Chemicals: Methyl isobutyl ketone, Toluene, Manganese, Chromium and 2 more. Reports carcinogens. 22,880 lbs released over 5 years.

    TRI facility ID 55901CRNLN2501V (U.S. EPA Toxics Release Inventory)

    Severity 7.8

  4. Geotek Llc, Stewartville

    TRI reporting facility. Penalties $10,747.

    EPA FRS registry ID 110000426575 (U.S. EPA ECHO) Agency record

    Severity 7.3

  5. Halcon Corp, Stewartville

    Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers). 23,580 lbs released over 5 years.

    TRI facility ID 55976HLCNC18112 (U.S. EPA Toxics Release Inventory)

    Severity 6.4

  6. Geotek Llc (G2), Stewartville

    TRI reporting facility.

    EPA FRS registry ID 110068842603 (U.S. EPA ECHO) Agency record

    Severity 6.3

  7. Kerry Ingredients & Flavours Inc, Rochester

    TRI reporting facility. Penalties $5,740.

    EPA FRS registry ID 110000426441 (U.S. EPA ECHO) Agency record

    Severity 6.2

  8. Kemps Llc - Rochester, Rochester

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Peracetic acid. 10,310 lbs released over 5 years.

    TRI facility ID 55904MRGLD406NB (U.S. EPA Toxics Release Inventory)

    Severity 6.1

  9. Kerry Ingredients & Flavours Inc., Rochester

    Toxic chemical release facility (TRI). Chemicals: Ammonia, Nitric acid, Nitrate compounds (water dissociable; reportable only when in aqueous solution). 7,509 lbs released over 5 years.

    TRI facility ID 55901STFFR24027 (U.S. EPA Toxics Release Inventory)

    Severity 6

  10. Crenlo Engineered Cabs Llc - Plant 1, Rochester

    Toxic chemical release facility (TRI). Chemicals: Manganese, Nickel, Chromium, Copper. Reports carcinogens. 81 lbs released over 5 years.

    TRI facility ID 5590WCRNLC164TH (U.S. EPA Toxics Release Inventory)

    Severity 6

  11. Ben Franklin School, Rochester

    EPA air quality monitor.

    Record ID 271095008 (U.S. EPA AirData)

    Severity 5.9

  12. Rochester Intl, Rochester

    Commercial airport. O.

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

    Severity 5

  13. Crenlo Cab Products Inc - Plant 2, Rochester

    TRI reporting facility.

    EPA FRS registry ID 110000426423 (U.S. EPA ECHO) Agency record

    Severity 4.8

  14. Geotek Llc, Stewartville

    Major air pollution source. Penalties $10,747.

    EPA FRS registry ID 110000426575 (U.S. EPA ECHO) Agency record

    Severity 4.8

  15. Benchmark, Rochester

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

    TRI facility ID 55901PMSTR3535T (U.S. EPA Toxics Release Inventory)

    Severity 4.7

  16. Crenlo Engineered Cabs Llc - Plant 1, Rochester

    TRI reporting facility.

    EPA FRS registry ID 110001826392 (U.S. EPA ECHO) Agency record

    Severity 4.5

  17. Mayo Clinic Rochester, Rochester

    Major air pollution source. Penalties $3,350.

    EPA FRS registry ID 110000614675 (U.S. EPA ECHO) Agency record

    Severity 4.5

  18. Crenlo - Plant 3, Rochester

    TRI reporting facility.

    EPA FRS registry ID 110071042964 (U.S. EPA ECHO) Agency record

    Severity 4.4

  19. Saint Marys Hospital Power Plant, Rochester

    Oil-fired power plant.

    Record ID 54262 (U.S. Energy Information Administration)

    Severity 4

  20. 4710 Hosting, Rochester

    Oil-fired power plant.

    Record ID 62162 (U.S. Energy Information Administration)

    Severity 4

  21. Ibm West, Rochester

    Oil-fired power plant.

    Record ID 56269 (U.S. Energy Information Administration)

    Severity 4

  22. Kemps Llc - Rochester, Rochester

    TRI reporting facility.

    EPA FRS registry ID 110000426450 (U.S. EPA ECHO) Agency record

    Severity 4

  23. Mayo Clinic Rochester, Rochester

    Large hazardous waste generator. Penalties $3,350.

    EPA FRS registry ID 110000614675 (U.S. EPA ECHO) Agency record

    Severity 4

  24. Benchmark Electronics Inc Minnesota Div, Rochester

    TRI reporting facility.

    EPA FRS registry ID 110003922499 (U.S. EPA ECHO) Agency record

    Severity 4

  25. Emcor Enclosures, Rochester

    Toxic chemical release facility (TRI). Chemicals: Manganese, Chromium. 13 lbs released over 5 years.

    TRI facility ID 5590WCRNLP2837T (U.S. EPA Toxics Release Inventory)

    Severity 3.9

Correctional facilities

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

  • Bureau Of Prison Federal Medical Center - Rochester (Ust), Rochester

    EPA FRS registry ID
    110003742512
    Wastewater permit
    None on record

    EPA detailed facility report

Discovery / public records

Records to request for Olmsted County

  • Minnesota 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 Olmsted County, and their findings.

  • Minnesota vital statistics office

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

  • Minnesota health department, environmental epidemiology

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

  • Minnesota 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.

  • Minnesota 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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