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Douglas County, Colorado: environmental and disease records

Cancer mortality in Douglas County is 107.4 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 1,559 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (561), Industrial wastewater discharge (462), Air permit holder (minor source) (202). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 20 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: 39.3485, -104.9197.

How this county ranks in Colorado

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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 Douglas County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
Melanoma of the skinNew cases3123.81.3xSignificant28.6 to 33.72019-2023
Brain & nervous systemNew cases7.86.21.26xSignificant6.6 to 9.22019-2023
ThyroidNew cases16131.23xSignificant14.3 to 182019-2023
Melanoma of the skinDeaths2.321.15x1.6 to 3.12020-2024
Brain & nervous systemDeaths4.74.41.07x3.8 to 5.82020-2024
BladderDeaths3.94.10.95x3 to 52020-2024
Childhood cancer (under 15)New cases15.416.40.94x11.6 to 20.22019-2023
PancreasNew cases12.613.90.91x11 to 14.32019-2023
Non-Hodgkin lymphomaNew cases16.618.50.9x14.8 to 18.62019-2023
All cancerNew cases406.8453.40.9x397.8 to 415.92019-2023
PancreasDeaths1011.30.88x8.7 to 11.62020-2024
LeukemiaDeaths55.70.88x4 to 6.22020-2024
LeukemiaNew cases12.414.50.86x10.8 to 14.22019-2023
Kidney & renal pelvisNew cases15.317.90.85x13.7 to 17.22019-2023
BladderNew cases15.918.70.85x14.1 to 17.92019-2023
EsophagusDeaths3.13.70.84x2.3 to 42020-2024
Non-Hodgkin lymphomaDeaths3.94.80.81x3 to 4.92020-2024
StomachNew cases5.36.60.8x4.3 to 6.42019-2023
Kidney & renal pelvisDeaths2.73.40.79x2 to 3.62020-2024
StomachDeaths2.12.70.78x1.5 to 2.82020-2024
All cancerDeaths107.4143.20.75x102.7 to 112.22020-2024
Liver & bile ductDeaths4.66.60.7x3.7 to 5.72020-2024
EsophagusNew cases34.60.65x2.3 to 3.92019-2023
Lung & bronchusNew cases31.551.80.61x28.9 to 34.22019-2023
Liver & bile ductNew cases4.88.70.55x3.9 to 5.92019-2023
Lung & bronchusDeaths13.630.20.45x12 to 15.42020-2024

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 Douglas County
MeasureCountyU.S. medianDifferenceUnit
Premature death4,121.19,842.6-58%years of life lost before age 75 per 100,000
Life expectancy82.475.3+10%years
Child mortality31.559.8-47%deaths under age 18 per 100,000
Infant mortality3.36.2-46%deaths under age 1 per 1,000 live births
Injury deaths57.496.9-41%deaths per 100,000
Drug overdose deaths1228.6-58%deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 20 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

  • Formaldehyde13.86 per million
  • Carbon Tetrachloride2.45 per million
  • Naphthalene2.41 per million
  • Benzene1.78 per million

EPA Air Quality Index 2025

Monitored on 365 days: 247 good, 7 unhealthy for sensitive groups or worse. Median AQI 46, peak 122.

Regulated facilities, sites and hazards by type

1,559 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

  • NPDES wastewater discharge permit561
  • Industrial wastewater discharge462
  • Air permit holder (minor source)202
  • Auto repair or body shop (mapped facility)87
  • Gas station (mapped facility)86
  • Rail grade crossing52
  • Small hazardous waste generator24
  • Dry cleaner (mapped facility)17
  • Toxic chemical release facility (TRI)13
  • TRI reporting facility11
  • Scrapyard (mapped facility)9
  • Wastewater plant (mapped facility)8
  • Heliport7
  • Public airport5
  • Major air pollution source3
  • Brownfield property2
  • Large hazardous waste generator2
  • Hazardous waste transporter2
  • Landfill (mapped facility)2
  • Hydroelectric plant2
  • EPA air quality monitor1
  • Large greenhouse gas emitter1

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. Playtime, Llc, Dove Valley Area

    TRI reporting facility. Penalties $15,546.

    EPA FRS registry ID 110042181448 (U.S. EPA ECHO) Agency record

    Severity 9.2

  2. Holcim Wcr Inc Centennial Ready Mix Plant, Englewood

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Polycyclic aromatic compounds, Lead compounds and 2 more. Reports carcinogens. 34,088 lbs released over 5 years.

    TRI facility ID 80112GGRGT8339C (U.S. EPA Toxics Release Inventory)

    Severity 8

  3. Playtime, Englewood

    Toxic chemical release facility (TRI). Chemicals: Diisocyanates, Toluene, Xylene (mixed isomers), Ethylbenzene and 4 more. Reports carcinogens. 21,215 lbs released over 5 years.

    TRI facility ID 8011WPLYTM1331J (U.S. EPA Toxics Release Inventory)

    Severity 7.8

  4. Bestway Concrete Co Titan Plant, Littleton

    TRI reporting facility.

    EPA FRS registry ID 110060261032 (U.S. EPA ECHO) Agency record

    Severity 7

  5. Oldcastle Precast Inc, Littleton

    TRI reporting facility. Penalties $7,350.

    EPA FRS registry ID 110041098718 (U.S. EPA ECHO) Agency record

    Severity 6.1

  6. Parker Wsd-Ridgegate Well House Treatment Plant, Parker

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110020118807 (U.S. EPA ECHO) Agency record

    Severity 5.8

  7. Aggregate Industries - Wcr, Inc., Centennial

    TRI reporting facility.

    EPA FRS registry ID 110033132991 (U.S. EPA ECHO) Agency record

    Severity 5.5

  8. Martin Marietta Castle Rock Ready Mix, Castle Rock

    TRI reporting facility. Penalties $3,500.

    EPA FRS registry ID 110001430728 (U.S. EPA ECHO) Agency record

    Severity 5.3

  9. Nhpp 4701-124 C 470 Tolled Express Lane Segment 1, Littleton

    NPDES wastewater discharge permit. Penalties $289,538.

    EPA FRS registry ID 110070054272 (U.S. EPA ECHO) Agency record

    Severity 5.3

  10. Holcim Wcr Inc Franktown Ready Mix Plant, Franktown

    Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead compounds, Lead And Lead Compounds. 849 lbs released over 5 years.

    TRI facility ID 80116GGRGT2571N (U.S. EPA Toxics Release Inventory)

    Severity 5.2

  11. Aggregate Industries Wcr Inc Franktown Ready Mix Plant, Franktown

    TRI reporting facility.

    EPA FRS registry ID 110021161179 (U.S. EPA ECHO) Agency record

    Severity 5.2

  12. Holcim Wcr Inc Castle Rock Ready Mix Plant, Castle Rock

    Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead compounds. 482 lbs released over 5 years.

    TRI facility ID 8010WGGRGT112TP (U.S. EPA Toxics Release Inventory)

    Severity 5.1

  13. Holcim Wcr Inc Riverview Ready Mix Plant, Littleton

    Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead compounds. 298 lbs released over 5 years.

    TRI facility ID 80125RVRVW8420W (U.S. EPA Toxics Release Inventory)

    Severity 4.9

  14. Visa U.S.A., Inc., Highlands Ranch

    Major air pollution source. Penalties $7,525.

    EPA FRS registry ID 110002375705 (U.S. EPA ECHO) Agency record

    Severity 4.8

  15. Playtime, Llc, Dove Valley Area

    Small hazardous waste generator. Penalties $15,546.

    EPA FRS registry ID 110042181448 (U.S. EPA ECHO) Agency record

    Severity 4.8

  16. Playtime, Llc, Dove Valley Area

    NPDES wastewater discharge permit. Penalties $15,546.

    EPA FRS registry ID 110042181448 (U.S. EPA ECHO) Agency record

    Severity 4.8

  17. Viawest Inc - Englewood Data Center, Parker Area

    Major air pollution source. Penalties $31,500.

    EPA FRS registry ID 110069566945 (U.S. EPA ECHO) Agency record

    Severity 4.8

  18. Foley Products Co - Littleton, Littleton

    Toxic chemical release facility (TRI). Chemicals: Lead, Nitrate compounds (water dissociable; reportable only when in aqueous solution). Reports carcinogens.

    TRI facility ID 8012WFLYPR8311W (U.S. EPA Toxics Release Inventory)

    Severity 4.6

  19. Best Block - Denb, Littleton

    Toxic chemical release facility (TRI). Chemicals: Lead, Lead compounds, Lead And Lead Compounds. Reports carcinogens.

    TRI facility ID 80125BRLBS8227B (U.S. EPA Toxics Release Inventory)

    Severity 4.5

  20. Hogback Property, Douglas County

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110006658321 (U.S. EPA ECHO) Agency record

    Severity 4.5

  21. Uplink Facility, Douglas County

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110006782008 (U.S. EPA ECHO) Agency record

    Severity 4.5

  22. Sacred Heart Retreat, Sedalia

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110022455582 (U.S. EPA ECHO) Agency record

    Severity 4.5

  23. Front Range Tire Recycle Inc, Sedalia

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110022509506 (U.S. EPA ECHO) Agency record

    Severity 4.5

  24. Heritage Hills Metro Dist Ms4, Douglas County

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110043732636 (U.S. EPA ECHO) Agency record

    Severity 4.5

  25. Castle Pines Metro Dist Ms4, Castle Pines

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110043757388 (U.S. EPA ECHO) Agency record

    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.

No correctional facility with an EPA record is located in this county.

Discovery / public records

Records to request for Douglas County

  • Colorado 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 Douglas County, and their findings.

  • Colorado vital statistics office

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

  • Colorado health department, environmental epidemiology

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

  • Colorado 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.

  • Colorado 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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