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Mountrail County, North Dakota: environmental and disease records

Cancer mortality in Mountrail County is 157.8 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 464 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (213), Rail grade crossing (118), NPDES wastewater discharge permit (88). 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: 48.1528, -102.3751.

How this county ranks in North Dakota

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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 Mountrail County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
All cancerDeaths157.8143.21.1x122.6 to 199.92020-2024
All cancerNew cases433.2453.40.96x374.5 to 498.52019-2023
Lung & bronchusNew cases42.651.80.82x25.4 to 672019-2023

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 Mountrail County
MeasureCountyU.S. medianDifferenceUnit
Premature death18,735.59,842.6+90%years of life lost before age 75 per 100,000
Life expectancy68.775.3-9%years
Child mortality132.159.8+121%deaths under age 18 per 100,000
Infant mortalityn/a6.2n/adeaths under age 1 per 1,000 live births
Injury deaths165.696.9+71%deaths per 100,000
Drug overdose deaths40.928.6+43%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.

  • Formaldehyde24.27 per million
  • Carbon Tetrachloride2.88 per million
  • Benzene2.57 per million
  • Acetaldehyde0.79 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

  • Air permit holder (minor source)213
  • Rail grade crossing118
  • NPDES wastewater discharge permit88
  • Brownfield property19
  • Toxic chemical release facility (TRI)5
  • Public airport4
  • TRI reporting facility4
  • Major air pollution source3
  • Gas station (mapped facility)3
  • Large greenhouse gas emitter2
  • Hazardous waste transporter2
  • Auto repair or body shop (mapped facility)1
  • Large hazardous waste generator1
  • Small hazardous waste generator1

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. Andeavor Field Services Llc - Robinson Lake Gas Plant, New Town

    Toxic chemical release facility (TRI). Chemicals: Methanol, n-Hexane, Benzene, Toluene and 3 more. Reports carcinogens. 292,880 lbs released over 5 years.

    TRI facility ID 5876WNDVRF4498H (U.S. EPA Toxics Release Inventory)

    Severity 8.7

  2. Palermo Product Terminal, Palermo

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Benzene, Ethylbenzene, Lead And Lead Compounds and 2 more. Reports carcinogens. 18,929 lbs released over 5 years.

    TRI facility ID 5876WPLRMP11RAI (U.S. EPA Toxics Release Inventory)

    Severity 7.8

  3. Cicada Logistics, New Town

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Naphthalene, Benzene, Xylene (mixed isomers) and 3 more. Reports carcinogens. 1,097 lbs released over 5 years.

    TRI facility ID 5876WDKTPL38958 (U.S. EPA Toxics Release Inventory)

    Severity 6.8

  4. Aux Sable Midstream, Palermo

    Toxic chemical release facility (TRI). Chemicals: n-Hexane, Methanol. 46,239 lbs released over 5 years.

    TRI facility ID 5876WXSBLM61387 (U.S. EPA Toxics Release Inventory)

    Severity 6.6

  5. Andeavor Field Services Llc - Robinson Lake Gas Plant, New Town

    TRI reporting facility.

    EPA FRS registry ID 110070540692 (U.S. EPA ECHO) Agency record

    Severity 6

  6. Aux Sable Midstream - Palermo Facility, Palermo

    TRI reporting facility.

    EPA FRS registry ID 110071434409 (U.S. EPA ECHO) Agency record

    Severity 5.9

  7. Phillips 66 - Palermo Product Terminal, Palermo

    TRI reporting facility.

    EPA FRS registry ID 110070828297 (U.S. EPA ECHO) Agency record

    Severity 5.6

  8. Riverview Estates Wastewater Treatment Facility, New Town

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110070032122 (U.S. EPA ECHO) Agency record

    Severity 4.3

  9. Biourja New Town Terminal, Llc, New Town

    TRI reporting facility.

    EPA FRS registry ID 110064648181 (U.S. EPA ECHO) Agency record

    Severity 4

  10. Estvold Oilfield Services, Inc., New Town

    Hazardous waste transporter.

    EPA FRS registry ID xac1ac12a44868d0bf459c5d85bedce94 (U.S. EPA ECHO) Agency record

    Severity 4

  11. Andeavor Field Services Llc - Stanley Compressor Station - Aq, Stanley

    Major air pollution source.

    EPA FRS registry ID 110056188058 (U.S. EPA ECHO) Agency record

    Severity 3.5

  12. Andeavor Field Services Llc - Robinson Lake Gas Plant, Belden

    Major air pollution source.

    EPA FRS registry ID 110064527016 (U.S. EPA ECHO) Agency record

    Severity 3.5

  13. Hess North Dakota Pipelines Llc - East Nesson Compressor Station 1 - Aq, White Earth

    Major air pollution source.

    EPA FRS registry ID 110071544608 (U.S. EPA ECHO) Agency record

    Severity 3.5

  14. Aux Sable Midstream Llc, Palermo

    Large hazardous waste generator.

    EPA FRS registry ID 110045552763 (U.S. EPA ECHO) Agency record

    Severity 3.3

  15. Stanley City Hall, Stanley

    Brownfield property.

    EPA FRS registry ID 110022361406 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  16. West Dakota Gas Station, New Town

    Brownfield property.

    EPA FRS registry ID 110071971491 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  17. 604 Rainbow Drive, New Town

    Brownfield property.

    EPA FRS registry ID 110071979551 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  18. 606 Rainbow Drive, New Town

    Brownfield property.

    EPA FRS registry ID 110071979552 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  19. 608 Rainbow Drive, New Town

    Brownfield property.

    EPA FRS registry ID 110071979553 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  20. 612 Rainbow Drive, New Town

    Brownfield property.

    EPA FRS registry ID 110071979554 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  21. 517 5th Street North Units 362-365, New Town

    Brownfield property.

    EPA FRS registry ID 110071979555 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  22. 513 5th Street North Units 366-369, New Town

    Brownfield property.

    EPA FRS registry ID 110071979556 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  23. 516 5th Street North Units 370-373, New Town

    Brownfield property.

    EPA FRS registry ID 110071979557 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  24. 112 Dakota Drive Units 382-385, New Town

    Brownfield property.

    EPA FRS registry ID 110071979558 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  25. 103 Dakota Drive, Unit 531, New Town

    Brownfield property.

    EPA FRS registry ID 110071979559 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

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 Mountrail County

  • North Dakota 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 Mountrail County, and their findings.

  • North Dakota vital statistics office

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

  • North Dakota health department, environmental epidemiology

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

  • North Dakota 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.

  • North Dakota 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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