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Dallas County, Iowa: environmental and disease records

Cancer mortality in Dallas County is 113.7 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 332 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (81), Brownfield property (79), Gas station (mapped facility) (45). 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: 41.6825, -94.0474.

How this county ranks in Iowa

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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 Dallas County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Melanoma of the skin	New cases	35.1	23.8	1.47xSignificant	30.2 to 40.6	2019-2023
Thyroid	New cases	15.1	13	1.16x	12 to 18.9	2019-2023
Leukemia	New cases	16.7	14.5	1.15x	13.3 to 20.8	2019-2023
Leukemia	Deaths	6.5	5.7	1.14x	4.5 to 9.2	2020-2024
Kidney & renal pelvis	New cases	20	17.9	1.12x	16.4 to 24.2	2019-2023
Non-Hodgkin lymphoma	New cases	20.4	18.5	1.1x	16.6 to 24.8	2019-2023
Childhood cancer (under 15)	New cases	17.9	16.4	1.09x	11.1 to 27.3	2019-2023
Brain & nervous system	New cases	6.7	6.2	1.08x	4.7 to 9.3	2019-2023
Pancreas	New cases	14.6	13.9	1.05x	11.4 to 18.3	2019-2023
Kidney & renal pelvis	Deaths	3.5	3.4	1.03x	2.2 to 5.4	2020-2024
Brain & nervous system	Deaths	4.5	4.4	1.02x	2.9 to 6.7	2020-2024
All cancer	New cases	461.3	453.4	1.02x	442.8 to 480.3	2019-2023
Bladder	New cases	18.6	18.7	0.99x	15 to 22.8	2019-2023
Pancreas	Deaths	11.1	11.3	0.98x	8.5 to 14.3	2020-2024
Bladder	Deaths	4	4.1	0.98x	2.5 to 6.2	2020-2024
Esophagus	New cases	4.4	4.6	0.96x	2.8 to 6.6	2019-2023
Lung & bronchus	New cases	48.9	51.8	0.94x	42.9 to 55.5	2019-2023
All cancer	Deaths	113.7	143.2	0.79x	104.8 to 123.2	2020-2024
Lung & bronchus	Deaths	22.2	30.2	0.74x	18.3 to 26.6	2020-2024
Stomach	New cases	4.7	6.6	0.71x	3 to 7	2019-2023
Liver & bile duct	New cases	5.6	8.7	0.64x	3.7 to 8.1	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 Dallas County
Measure	County	U.S. median	Difference	Unit
Premature death	4,244.1	9,842.6	-57%	years of life lost before age 75 per 100,000
Life expectancy	81.9	75.3	+9%	years
Child mortality	32.7	59.8	-45%	deaths under age 18 per 100,000
Infant mortality	3.6	6.2	-42%	deaths under age 1 per 1,000 live births
Injury deaths	40.2	96.9	-59%	deaths per 100,000
Drug overdose deaths	9.7	28.6	-66%	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.

Formaldehyde15.83 per million
Carbon Tetrachloride2.94 per million
Ethylene Oxide2.35 per million
Acetaldehyde1.45 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Air permit holder (minor source)81
Brownfield property79
Gas station (mapped facility)45
Rail grade crossing31
NPDES wastewater discharge permit24
Industrial wastewater discharge18
Auto repair or body shop (mapped facility)16
Small hazardous waste generator10
Toxic chemical release facility (TRI)8
TRI reporting facility6
Major air pollution source3
Public airport3
Wastewater plant (mapped facility)3
Dry cleaner (mapped facility)2
Commercial airport1
Crematorium (mapped facility)1
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.

Tyson Fresh Meats Inc-Perry, Perry
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Hydrogen sulfide, Nitric acid and 1 more. 1,191,878 lbs released over 5 years.
TRI facility ID 50220BPNCXRR2XX (U.S. EPA Toxics Release Inventory)
Severity 7.7
Central Iowa Ready Mix, Adel
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 1,292 lbs released over 5 years.
TRI facility ID 5000WCNTRL31S6T (U.S. EPA Toxics Release Inventory)
Severity 6.9
Liberty Ready Mix - Van Meter Facility, Van Meter
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 984 lbs released over 5 years.
TRI facility ID 5026WLBRTY155VE (U.S. EPA Toxics Release Inventory)
Severity 6.8
Tyson Fresh Meats Inc, Perry
TRI reporting facility.
EPA FRS registry ID 110015757304 (U.S. EPA ECHO) Agency record
Severity 6.7
Sioux City Brick & Tile Co United Brick & Tile A Div, Adel
Toxic chemical release facility (TRI). Chemicals: Hydrogen fluoride, Barium, Manganese. 44,993 lbs released over 5 years.
TRI facility ID 50003NTDBR1831W (U.S. EPA Toxics Release Inventory)
Severity 6.6
Central Iowa Ready Mix, Perry
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 186 lbs released over 5 years.
TRI facility ID 5022WMRCNC915RA (U.S. EPA Toxics Release Inventory)
Severity 6.2
Sioux City Brick & Tile Co United Brick & Tile A Div, Adel
TRI reporting facility.
EPA FRS registry ID 110000412517 (U.S. EPA ECHO) Agency record
Severity 6.1
Inland Coatings Holdings Llc, Adel
Toxic chemical release facility (TRI). Chemicals: 1,2,4-Trimethylbenzene. 3,446 lbs released over 5 years.
TRI facility ID 5000WNLNDC3299U (U.S. EPA Toxics Release Inventory)
Severity 5.7
Inland Coatings Holdings Llc, Adel
TRI reporting facility.
EPA FRS registry ID 110071286804 (U.S. EPA ECHO) Agency record
Severity 5.3
Liberty Ready Mix - Van Meter Facility, Van Meter
TRI reporting facility.
EPA FRS registry ID 110071655344 (U.S. EPA ECHO) Agency record
Severity 5.3
Dallas Center City Of Stp, Dallas Center
NPDES wastewater discharge permit.
EPA FRS registry ID 110010034337 (U.S. EPA ECHO) Agency record
Severity 5
Northern Natural Gas Co, Redfield
Major air pollution source.
EPA FRS registry ID 110001361044 (U.S. EPA ECHO) Agency record
Severity 4.5
Woodward City Of Stp, Woodward
NPDES wastewater discharge permit. Penalties $3,500.
EPA FRS registry ID 110010032927 (U.S. EPA ECHO) Agency record
Severity 4.5
Progressive Foundry Inc., Perry
Toxic chemical release facility (TRI). Chemicals: Nickel, Chromium, Manganese, Copper. Reports carcinogens.
TRI facility ID 5022WPRGRS15181 (U.S. EPA Toxics Release Inventory)
Severity 4.5
Wiese Industries Inc, Perry
Toxic chemical release facility (TRI). Chemicals: Nickel, Cobalt, Lead, Chromium and 2 more. Reports carcinogens.
TRI facility ID 5022WWSNDS1515T (U.S. EPA Toxics Release Inventory)
Severity 4.5
Des Moines West Koa, Adel
NPDES wastewater discharge permit.
EPA FRS registry ID 110037691290 (U.S. EPA ECHO) Agency record
Severity 4.3
Sioux City Brick & Tile Co United Brick & Tile A Div, Adel
Major air pollution source.
EPA FRS registry ID 110000412517 (U.S. EPA ECHO) Agency record
Severity 4
Northern Natural Gas Co, Redfield
NPDES wastewater discharge permit.
EPA FRS registry ID 110001361044 (U.S. EPA ECHO) Agency record
Severity 4
Wiese Industries Inc, Perry
TRI reporting facility.
EPA FRS registry ID 110001361053 (U.S. EPA ECHO) Agency record
Severity 4
Progressive Foundry Inc, Perry
TRI reporting facility.
EPA FRS registry ID 110001753111 (U.S. EPA ECHO) Agency record
Severity 4
Dexter City Of Stp, Dexter
NPDES wastewater discharge permit.
EPA FRS registry ID 110010032525 (U.S. EPA ECHO) Agency record
Severity 3.5
Granger Wwtp, Granger
NPDES wastewater discharge permit.
EPA FRS registry ID 110010034015 (U.S. EPA ECHO) Agency record
Severity 3.5
Adel Wwtp, Adel
NPDES wastewater discharge permit.
EPA FRS registry ID 110039932160 (U.S. EPA ECHO) Agency record
Severity 3.5
Microsoft Dm1 Data Center, West Des Moines
Major air pollution source.
EPA FRS registry ID 110043322115 (U.S. EPA ECHO) Agency record
Severity 3.5
Perry Wwtp, Perry
NPDES wastewater discharge permit.
EPA FRS registry ID 110000736455 (U.S. EPA ECHO) Agency record
Severity 3.3

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 Dallas County

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