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Hemphill County, Texas: environmental and disease records

Cancer mortality in Hemphill County is 125.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 72 regulated facilities, sites and hazards inside the county, led by Major air pollution source (28), Air permit holder (minor source) (13), Rail grade crossing (10). 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: 35.8156, -100.2707.

How this county ranks in Texas

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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 Hemphill County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
All cancer	New cases	414.6	453.4	0.91x	328.1 to 518	2019-2023
All cancer	Deaths	125.3	143.2	0.88x	81.2 to 186.7	2020-2024

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 Hemphill County
Measure	County	U.S. median	Difference	Unit
Premature death	5,324.2	9,842.6	-46%	years of life lost before age 75 per 100,000
Life expectancy	80.6	75.3	+7%	years
Child mortality	n/a	59.8	n/a	deaths under age 18 per 100,000
Infant mortality	n/a	6.2	n/a	deaths under age 1 per 1,000 live births
Injury deaths	67	96.9	-31%	deaths per 100,000
Drug overdose deaths	n/a	28.6	n/a	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.

Formaldehyde14.26 per million
Carbon Tetrachloride2.73 per million
Acetaldehyde0.91 per million
Benzene0.48 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Major air pollution source28
Air permit holder (minor source)13
Rail grade crossing10
NPDES wastewater discharge permit6
Large greenhouse gas emitter5
Public airport2
Commercial airport1
Small hazardous waste generator1
Hazardous waste transporter1
Heliport1
Gas power plant1
Wind power plant1
TRI reporting facility1
Toxic chemical release facility (TRI)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.

Hemphill Gas Plant, Canadian
Toxic chemical release facility (TRI). Chemicals: n-Hexane, Benzene, Cyclohexane, p-Xylene and 4 more. Reports carcinogens. 534 lbs released over 5 years.
TRI facility ID 7901WHMPHL4MISF (U.S. EPA Toxics Release Inventory)
Severity 6.6
Enable Midstream Partners - Wheeler Natural Gas Processing Plant, Wheeler
TRI reporting facility.
EPA FRS registry ID 110056395020 (U.S. EPA ECHO) Agency record
Severity 5.8
Hemphill County Compressor Station 2, Canadian
Major air pollution source. Penalties $18,750.
EPA FRS registry ID 110007205988 (U.S. EPA ECHO) Agency record
Severity 4.5
Phoenix Arrington Gas Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110000506060 (U.S. EPA ECHO) Agency record
Severity 3.5
Canadian Gas Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110000752203 (U.S. EPA ECHO) Agency record
Severity 3.5
Feldman Station, Canadian
Major air pollution source.
EPA FRS registry ID 110007182119 (U.S. EPA ECHO) Agency record
Severity 3.5
Hobart Ranch Gas Processing Complex, Canadian
Major air pollution source.
EPA FRS registry ID 110007203757 (U.S. EPA ECHO) Agency record
Severity 3.5
Buffalo Wallow Compresor Facility, Briscoe
Major air pollution source.
EPA FRS registry ID 110007205023 (U.S. EPA ECHO) Agency record
Severity 3.5
Hemphill County 1 Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110007205979 (U.S. EPA ECHO) Agency record
Severity 3.5
Meek Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110030493400 (U.S. EPA ECHO) Agency record
Severity 3.5
Hobart 277 Cryogenic Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110031503200 (U.S. EPA ECHO) Agency record
Severity 3.5
Adcock Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110033344904 (U.S. EPA ECHO) Agency record
Severity 3.5
Hobart Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110033785875 (U.S. EPA ECHO) Agency record
Severity 3.5
Noble Compressor Station, Briscoe
Major air pollution source.
EPA FRS registry ID 110034198703 (U.S. EPA ECHO) Agency record
Severity 3.5
Central Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110034211868 (U.S. EPA ECHO) Agency record
Severity 3.5
Abraham Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110034769043 (U.S. EPA ECHO) Agency record
Severity 3.5
Burlington 2 Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110035098596 (U.S. EPA ECHO) Agency record
Severity 3.5
Goad Hemphill Complex, Wheeler
Major air pollution source.
EPA FRS registry ID 110035782427 (U.S. EPA ECHO) Agency record
Severity 3.5
Ramp Walker Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110037532186 (U.S. EPA ECHO) Agency record
Severity 3.5
Markwest Oklahoma Gas Company Llc, Briscoe
Major air pollution source.
EPA FRS registry ID 110040632063 (U.S. EPA ECHO) Agency record
Severity 3.5
East Britt Ranch Compressor Station, Briscoe
Major air pollution source.
EPA FRS registry ID 110040834283 (U.S. EPA ECHO) Agency record
Severity 3.5
Antelope Hills Gas Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110041623534 (U.S. EPA ECHO) Agency record
Severity 3.5
Hemphill Gas Plant, Canadian
Major air pollution source.
EPA FRS registry ID 110043811168 (U.S. EPA ECHO) Agency record
Severity 3.5
Canadian River Compressor Station, Canadian
Major air pollution source.
EPA FRS registry ID 110044310616 (U.S. EPA ECHO) Agency record
Severity 3.5
Urschel Booster, Canadian
Major air pollution source.
EPA FRS registry ID 110044310625 (U.S. EPA ECHO) Agency record
Severity 3.5

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 Hemphill County

Texas 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 Hemphill County, and their findings.
Texas vital statistics office
Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.
Texas health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
Texas 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.
Texas 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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