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Kiowa County, Oklahoma: environmental and disease records

Cancer mortality in Kiowa County is 219.2 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Lung & bronchus deaths at 1.9 times the U.S. rate. Federal databases place 182 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (123), Air permit holder (minor source) (40), NPDES wastewater discharge permit (6). 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: 34.8591, -98.8999.

How this county ranks in Oklahoma

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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 Kiowa County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	55.9	30.2	1.85xSignificant	38.1 to 80.1	2020-2024
Melanoma of the skin	New cases	42.2	23.8	1.77xSignificant	25.3 to 66.4	2019-2023
All cancer	Deaths	219.2	143.2	1.53xSignificant	182.4 to 262	2020-2024
Lung & bronchus	New cases	63.9	51.8	1.23x	45 to 89.1	2019-2023
All cancer	New cases	477.4	453.4	1.05x	419.7 to 541.4	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 Kiowa County
Measure	County	U.S. median	Difference	Unit
Premature death	14,449.2	9,842.6	+47%	years of life lost before age 75 per 100,000
Life expectancy	70.1	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	102.5	96.9	+6%	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.

Formaldehyde16.07 per million
Carbon Tetrachloride2.82 per million
Acetaldehyde1.1 per million
Benzene0.6 per million

EPA Air Quality Index 2025

Monitored on 271 days: 216 good, 0 unhealthy for sensitive groups or worse. Median AQI 43, peak 97.

Regulated facilities, sites and hazards by type

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

Rail grade crossing123
Air permit holder (minor source)40
NPDES wastewater discharge permit6
Brownfield property4
Gas station (mapped facility)3
Major air pollution source1
EPA air quality monitor1
Public airport1
Commercial airport1
Small hazardous waste generator1
Scrapyard (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.

Natural Gas Pipelin/Sta 156, Mountain View
Major air pollution source.
EPA FRS registry ID 110007387862 (U.S. EPA ECHO) Agency record
Severity 3.5
Hobart Industrial Park, Hobart
Brownfield property.
EPA FRS registry ID 110038754096 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Hobart Middle School, Hobart
Brownfield property.
EPA FRS registry ID 110043243111 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Hobart Armory, Hobart
Brownfield property.
EPA FRS registry ID 110044763244 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Hobart - Hobart Service Station, Hobart
Brownfield property.
EPA FRS registry ID 110072197589 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Meridian Aggregates Co Lp / Snyder Quarry, Snyder
NPDES wastewater discharge permit.
EPA FRS registry ID 110007387443 (U.S. EPA ECHO) Agency record
Severity 2
Quartz Mountain Water Treatment Plant, Lone Wolf
NPDES wastewater discharge permit.
EPA FRS registry ID 110009008821 (U.S. EPA ECHO) Agency record
Severity 2
Hobart Rgnl, Hobart
Commercial airport. O.
Record ID HBR (FAA / U.S. DOT)
Severity 2
Dolese Bros Co / Cooperton Quarry, Mountain View
NPDES wastewater discharge permit.
EPA FRS registry ID 110007161542 (U.S. EPA ECHO) Agency record
Severity 1.5
Meridian Aggregates Co Lp / Snyder Quarry, Snyder
Air permit holder (minor source).
EPA FRS registry ID 110007387443 (U.S. EPA ECHO) Agency record
Severity 1.5
Power Plus Beef Genetics (Fka Power Plus Beef Feeders Llc), Hobart
NPDES wastewater discharge permit.
EPA FRS registry ID 110009153637 (U.S. EPA ECHO) Agency record
Severity 1.5
Mountain View, Town Of, Mountain View
NPDES wastewater discharge permit.
EPA FRS registry ID 110011009274 (U.S. EPA ECHO) Agency record
Severity 1.5
Hobart Public Works Authority, Hobart
NPDES wastewater discharge permit.
EPA FRS registry ID 110022614928 (U.S. EPA ECHO) Agency record
Severity 1.5
Walmart #607, Hobart
Small hazardous waste generator.
EPA FRS registry ID 110066951007 (U.S. EPA ECHO) Agency record
Severity 1.5
Nw 287th St, Indiahoma
Rail grade crossing.
Record ID 669649M (Federal Railroad Administration)
Severity 1.3
N2320 Rd, Indiahoma
Rail grade crossing.
Record ID 669650G (Federal Railroad Administration)
Severity 1.3
Hwy 54, Indiahoma
Rail grade crossing.
Record ID 669651N (Federal Railroad Administration)
Severity 1.3
N2300 Rd, Indiahoma
Rail grade crossing.
Record ID 669652V (Federal Railroad Administration)
Severity 1.3
Cord, Indiahoma
Rail grade crossing.
Record ID 669654J (Federal Railroad Administration)
Severity 1.3
N2270 Rd, Indiahoma
Rail grade crossing.
Record ID 669655R (Federal Railroad Administration)
Severity 1.3
H St, Indiahoma
Rail grade crossing.
Record ID 669656X (Federal Railroad Administration)
Severity 1.3
E St, Snyder
Rail grade crossing.
Record ID 669657E (Federal Railroad Administration)
Severity 1.3
B St, Indiahoma
Rail grade crossing.
Record ID 669658L (Federal Railroad Administration)
Severity 1.3
Cord, Indiahoma
Rail grade crossing.
Record ID 669659T (Federal Railroad Administration)
Severity 1.3
Pvt, Indiahoma
Rail grade crossing.
Record ID 669660M (Federal Railroad Administration)
Severity 1.3

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 Kiowa County

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