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Hamilton County, Texas: environmental and disease records

Cancer mortality in Hamilton County is 211.4 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Pancreas deaths at 1.9 times the U.S. rate. Federal databases place 56 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (31), Gas station (mapped facility) (11), Public airport (4). 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: 31.7235, -98.0942.

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 Hamilton County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Pancreas	Deaths	21.2	11.3	1.88xSignificant	11.4 to 37.5	2020-2024
Pancreas	New cases	20.6	13.9	1.48x	10.9 to 37	2019-2023
All cancer	Deaths	211.4	143.2	1.48xSignificant	178.3 to 250.2	2020-2024
Lung & bronchus	Deaths	41.8	30.2	1.38x	28.5 to 61	2020-2024
Lung & bronchus	New cases	61.2	51.8	1.18x	43.5 to 85	2019-2023
All cancer	New cases	432.2	453.4	0.95x	380 to 490.4	2019-2023

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 Hamilton County
Measure	County	U.S. median	Difference	Unit
Premature death	11,511.2	9,842.6	+17%	years of life lost before age 75 per 100,000
Life expectancy	74.3	75.3	-1%	years
Child mortality	127.6	59.8	+114%	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	133.2	96.9	+37%	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.

Formaldehyde18.25 per million
Carbon Tetrachloride2.82 per million
Acetaldehyde1.33 per million
Benzene0.61 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit31
Gas station (mapped facility)11
Public airport4
Auto repair or body shop (mapped facility)4
Brownfield property2
Commercial airport1
Rail grade crossing1
Scrapyard (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.

City Of Hamilton Wwtp, Hamilton
NPDES wastewater discharge permit. Penalties $8,125.
EPA FRS registry ID 110064257263 (U.S. EPA ECHO) Agency record
Severity 3.8
Gem Dandy 14, Hamilton
Brownfield property.
EPA FRS registry ID 110033730880 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Nursing Home, Hamilton
Brownfield property.
EPA FRS registry ID 110071982404 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
City Of Hico Wwtp, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110009745963 (U.S. EPA ECHO) Agency record
Severity 2.3
Circle T Arena Wwtp, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110024412492 (U.S. EPA ECHO) Agency record
Severity 2
Hamilton Muni, Hamilton
Commercial airport. O.
Record ID MNZ (FAA / U.S. DOT)
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID node/12269805321 (OpenStreetMap contributors) Agency record
Severity 2
Broumley Dairy, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110016755073 (U.S. EPA ECHO) Agency record
Severity 1.5
Tex-S Dairy, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110020038029 (U.S. EPA ECHO) Agency record
Severity 1.5
Px Feeders, Llc, Evant
NPDES wastewater discharge permit.
EPA FRS registry ID 110020144672 (U.S. EPA ECHO) Agency record
Severity 1.5
Billy Lasater Dairy, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110020846682 (U.S. EPA ECHO) Agency record
Severity 1.5
Southwestern Otx Real Estate Site, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110024412599 (U.S. EPA ECHO) Agency record
Severity 1.5
Okee Dairy, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110024465023 (U.S. EPA ECHO) Agency record
Severity 1.5
Horizon Dairy, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110031110768 (U.S. EPA ECHO) Agency record
Severity 1.5
Broumley Heifers, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110033175515 (U.S. EPA ECHO) Agency record
Severity 1.5
Broumley Dairy Farm, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110038300497 (U.S. EPA ECHO) Agency record
Severity 1.5
Broken O Cattle, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110064420023 (U.S. EPA ECHO) Agency record
Severity 1.5
Clowdus Dairy, Evant
NPDES wastewater discharge permit.
EPA FRS registry ID 110070220562 (U.S. EPA ECHO) Agency record
Severity 1.5
Hamilton Municipal Airport, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110070358179 (U.S. EPA ECHO) Agency record
Severity 1.5
Hamilton Fm 1602, Fairy
NPDES wastewater discharge permit.
EPA FRS registry ID 110070371078 (U.S. EPA ECHO) Agency record
Severity 1.5
Rattlesnake Quarry, Evant
NPDES wastewater discharge permit.
EPA FRS registry ID 110070375033 (U.S. EPA ECHO) Agency record
Severity 1.5
Wac018303050, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110070567769 (U.S. EPA ECHO) Agency record
Severity 1.5
Grizzly Ridge Solar Facility, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110071095973 (U.S. EPA ECHO) Agency record
Severity 1.5
Wac086701017, Hamilton
NPDES wastewater discharge permit.
EPA FRS registry ID 110071223866 (U.S. EPA ECHO) Agency record
Severity 1.5
Golden Star Heifer Ranch, Hico
NPDES wastewater discharge permit.
EPA FRS registry ID 110071308505 (U.S. EPA ECHO) Agency record
Severity 1.5

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 Hamilton 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 Hamilton 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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