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Cheshire County, New Hampshire: environmental and disease records

Cancer mortality in Cheshire County is 149.5 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 327 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (120), Air permit holder (minor source) (79), Brownfield property (42). One correctional facility operates in the county. 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: 42.9476, -72.2974.

How this county ranks in New Hampshire

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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 Cheshire County compared with the United States
CancerMeasureCounty rateU.S. rateTimes U.S.95% intervalYears
EsophagusNew cases6.64.61.43xSignificant4.7 to 9.12019-2023
Melanoma of the skinNew cases33.723.81.42xSignificant28.7 to 39.42019-2023
BladderNew cases25.318.71.35xSignificant21.4 to 29.82019-2023
StomachNew cases8.66.61.3x6.2 to 11.72019-2023
BladderDeaths5.34.11.29x3.6 to 7.72020-2024
LeukemiaNew cases18.414.51.27xSignificant14.9 to 22.62019-2023
Brain & nervous systemNew cases7.16.21.15x4.7 to 10.32019-2023
Lung & bronchusNew cases59.351.81.14xSignificant53.2 to 662019-2023
ThyroidNew cases14.5131.12x10.9 to 19.12019-2023
EsophagusDeaths4.13.71.11x2.6 to 6.32020-2024
Lung & bronchusDeaths33.230.21.1x28.8 to 38.32020-2024
All cancerNew cases489.6453.41.08xSignificant470.5 to 509.42019-2023
Brain & nervous systemDeaths4.64.41.05x2.9 to 7.12020-2024
All cancerDeaths149.5143.21.04x139.7 to 1602020-2024
PancreasNew cases13.913.91x11 to 17.42019-2023
Liver & bile ductDeaths6.56.60.98x4.7 to 8.92020-2024
PancreasDeaths1111.30.97x8.5 to 14.12020-2024
LeukemiaDeaths5.55.70.96x3.8 to 7.92020-2024
Non-Hodgkin lymphomaNew cases17.818.50.96x14.3 to 222019-2023
Kidney & renal pelvisNew cases16.917.90.94x13.5 to 212019-2023
Liver & bile ductNew cases7.38.70.84x5.3 to 102019-2023
Non-Hodgkin lymphomaDeaths3.94.80.81x2.3 to 6.22020-2024
Kidney & renal pelvisDeaths2.53.40.74x1.4 to 4.22020-2024

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 Cheshire County
MeasureCountyU.S. medianDifferenceUnit
Premature death7,141.99,842.6-27%years of life lost before age 75 per 100,000
Life expectancy78.675.3+4%years
Child mortality27.559.8-54%deaths under age 18 per 100,000
Infant mortalityn/a6.2n/adeaths under age 1 per 1,000 live births
Injury deaths87.496.9-10%deaths per 100,000
Drug overdose deaths26.428.6-8%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.

  • Formaldehyde12.79 per million
  • Carbon Tetrachloride2.95 per million
  • Acetaldehyde1.48 per million
  • Benzene1.16 per million

EPA Air Quality Index 2025

Monitored on 365 days: 288 good, 2 unhealthy for sensitive groups or worse. Median AQI 37, peak 115.

Regulated facilities, sites and hazards by type

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

  • NPDES wastewater discharge permit120
  • Air permit holder (minor source)79
  • Brownfield property42
  • Gas station (mapped facility)30
  • Auto repair or body shop (mapped facility)14
  • Large hazardous waste generator9
  • Small hazardous waste generator7
  • Rail grade crossing3
  • Public airport2
  • Commercial airport2
  • Heliport2
  • Industrial wastewater discharge2
  • Landfill (mapped facility)2
  • Scrapyard (mapped facility)2
  • TRI reporting facility2
  • Toxic chemical release facility (TRI)2
  • Major air pollution source1
  • EPA air quality monitor1
  • Airfield1
  • Correctional facility (prison or jail)1
  • Hydroelectric plant1
  • Superfund (NPL) site1
  • 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. Troy Mills Landfill, Troy

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

    EPA site ID NHD980520217 (U.S. EPA Superfund (SEMS/NPL)) Agency record

    Severity 10

  2. Emd Millipore Corp, Jaffrey

    Toxic chemical release facility (TRI). Chemicals: Dichloromethane, N-Methyl-2-pyrrolidone, Methanol, n-Butyl alcohol and 2 more. Reports carcinogens. 38,857 lbs released over 5 years.

    TRI facility ID 03452MLLPRPRESC (U.S. EPA Toxics Release Inventory)

    Severity 8

  3. Duxbury Composite Products Dba Plp Composites, Fitzwilliam

    Toxic chemical release facility (TRI). Chemicals: Styrene. Reports carcinogens. 32,270 lbs released over 5 years.

    TRI facility ID 03447PLPCM57CRE (U.S. EPA Toxics Release Inventory)

    Severity 8

  4. Millipore Corp, Jaffrey

    TRI reporting facility.

    EPA FRS registry ID 110000313848 (U.S. EPA ECHO) Agency record

    Severity 6.2

  5. Duxbury Composite Products, Fitzwilliam

    TRI reporting facility.

    EPA FRS registry ID 110007682070 (U.S. EPA ECHO) Agency record

    Severity 5.8

  6. Jaffrey Wastewater Treatment Facility, Jaffrey

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110006619294 (U.S. EPA ECHO) Agency record

    Severity 5.5

  7. Landfill Recycling Cntr & Transfer St, Keene

    Large hazardous waste generator. Penalties $177,283.

    EPA FRS registry ID 110001523414 (U.S. EPA ECHO) Agency record

    Severity 5.3

  8. G.S. Precision, Llc - Keene Division, Chesterfield

    Large hazardous waste generator. Penalties $10,203.

    EPA FRS registry ID 110007693193 (U.S. EPA ECHO) Agency record

    Severity 5

  9. WATER STREET, Keene

    EPA air quality monitor.

    Record ID 330050007 (U.S. EPA AirData)

    Severity 4.5

  10. Keene Wastewater Treatment Facility, Keene

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110002320854 (U.S. EPA ECHO) Agency record

    Severity 4.3

  11. Troy Wastewater Treatment Facility, Troy

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110009839817 (U.S. EPA ECHO) Agency record

    Severity 4.3

  12. W Swanzey Wwtf, Swanzey

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110039692482 (U.S. EPA ECHO) Agency record

    Severity 4.3

  13. Buffum Auto Parts, Swanzey

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110071176486 (U.S. EPA ECHO) Agency record

    Severity 4.3

  14. Hinsdale Wastewater Treatment Plant, Hinsdale

    NPDES wastewater discharge permit.

    EPA FRS registry ID 110002320792 (U.S. EPA ECHO) Agency record

    Severity 3.8

  15. Millipore Corp, Jaffrey

    Large hazardous waste generator.

    EPA FRS registry ID 110000313848 (U.S. EPA ECHO) Agency record

    Severity 3.5

  16. Markem-Imaje Corp, Keene

    Large hazardous waste generator.

    EPA FRS registry ID 110000800884 (U.S. EPA ECHO) Agency record

    Severity 3.5

  17. Atlantic Paper Mills Of Nh Llc, Winchester

    Major air pollution source.

    EPA FRS registry ID 110017616490 (U.S. EPA ECHO) Agency record

    Severity 3.5

  18. Landfill Recycling Cntr & Transfer St, Keene

    Air permit holder (minor source). Penalties $177,283.

    EPA FRS registry ID 110001523414 (U.S. EPA ECHO) Agency record

    Severity 3.3

  19. Troy Mills, Troy

    Brownfield property.

    EPA FRS registry ID 110000313875 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  20. Central Plating, Walpole

    Brownfield property.

    EPA FRS registry ID 110001123301 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  21. Kingsbury Corp, Keene

    Brownfield property.

    EPA FRS registry ID 110001521559 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  22. J & G Service, Winchester

    Brownfield property.

    EPA FRS registry ID 110004097575 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  23. Rite Aid, Jaffrey

    Brownfield property.

    EPA FRS registry ID 110004105085 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  24. W. W. Cross, Jaffrey

    Brownfield property.

    EPA FRS registry ID 110006911618 (U.S. EPA Brownfields (ACRES)) Agency record

    Severity 3

  25. Four Corners Store, Richmond

    Brownfield property.

    EPA FRS registry ID 110023043990 (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.

Discovery / public records

Records to request for Cheshire County

  • New Hampshire 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 Cheshire County, and their findings.

  • New Hampshire vital statistics office

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

  • New Hampshire health department, environmental epidemiology

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

  • New Hampshire 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.

  • New Hampshire 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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