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Sioux County, Iowa: environmental and disease records

Cancer mortality in Sioux County is 112.1 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 367 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (102), NPDES wastewater discharge permit (87), Air permit holder (minor source) (80). 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: 43.0855, -96.1573.

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 Sioux 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	53.3	23.8	2.24xSignificant	43.1 to 65.1	2019-2023
Thyroid	New cases	19.6	13	1.51xSignificant	13.2 to 27.9	2019-2023
Leukemia	New cases	21.4	14.5	1.48xSignificant	15.4 to 28.9	2019-2023
Non-Hodgkin lymphoma	New cases	24.1	18.5	1.3x	17.6 to 32.2	2019-2023
Leukemia	Deaths	6.9	5.7	1.21x	4 to 11.4	2020-2024
All cancer	New cases	493.9	453.4	1.09xSignificant	462.9 to 526.3	2019-2023
Bladder	New cases	20.2	18.7	1.08x	14.7 to 27.2	2019-2023
Kidney & renal pelvis	New cases	18.5	17.9	1.03x	13.1 to 25.4	2019-2023
All cancer	Deaths	112.1	143.2	0.78x	98.6 to 127.1	2020-2024
Pancreas	New cases	10.2	13.9	0.73x	6.4 to 15.5	2019-2023
Pancreas	Deaths	7.4	11.3	0.65x	4.4 to 12.1	2020-2024
Lung & bronchus	New cases	32.1	51.8	0.62x	24.9 to 40.8	2019-2023
Lung & bronchus	Deaths	18.5	30.2	0.61x	13.2 to 25.3	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 Sioux County
Measure	County	U.S. median	Difference	Unit
Premature death	3,914.1	9,842.6	-60%	years of life lost before age 75 per 100,000
Life expectancy	82.6	75.3	+10%	years
Child mortality	45	59.8	-25%	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	40.7	96.9	-58%	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.

Formaldehyde13.72 per million
Carbon Tetrachloride2.92 per million
Acetaldehyde1.16 per million
Benzene0.66 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing102
NPDES wastewater discharge permit87
Air permit holder (minor source)80
Gas station (mapped facility)23
Industrial wastewater discharge22
Toxic chemical release facility (TRI)14
Small hazardous waste generator11
TRI reporting facility11
Large hazardous waste generator4
Large greenhouse gas emitter2
Heliport2
Landfill (mapped facility)2
Scrapyard (mapped facility)2
Major air pollution source1
Commercial airport1
Auto repair or body shop (mapped facility)1
Brownfield property1
Superfund (NPL) site1

Highest-severity records

The 25 records with the highest Envyrofax severity in the county, with the agency identifier to cite in a records request.

Vogel Paint & Wax Co., Orange City
Superfund (NPL) site. Hazard Ranking System score 31.5. NPL Site.
EPA site ID IAD980630487 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
Pella Corporation - Sioux Center, Sioux Center
TRI reporting facility.
EPA FRS registry ID 110001762147 (U.S. EPA ECHO) Agency record
Severity 9
Siouxland Energy Cooperative, Sioux Center
Toxic chemical release facility (TRI). Chemicals: Acetaldehyde, n-Hexane, Ammonia, Acrolein and 4 more. Reports carcinogens. 40,382 lbs released over 5 years.
TRI facility ID 51250SXLND389GA (U.S. EPA Toxics Release Inventory)
Severity 8
Diamond Vogel Inc., Orange City
Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), Methanol, Ethylbenzene, Toluene and 4 more. Reports carcinogens. 29,711 lbs released over 5 years.
TRI facility ID 51041DMNDVINDUS (U.S. EPA Toxics Release Inventory)
Severity 7.9
Agropur Inc, Hull
TRI reporting facility.
EPA FRS registry ID 110037478208 (U.S. EPA ECHO) Agency record
Severity 7.7
Perdue Foods Llc - Sioux Preme Packing Co. Center Plant, Sioux Center
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen sulfide, Ammonia. 120,493 lbs released over 5 years.
TRI facility ID 5125WSXPRM4241U (U.S. EPA Toxics Release Inventory)
Severity 6.9
Pella Corp Sioux Center Operations, Sioux Center
Toxic chemical release facility (TRI). Chemicals: Certain glycol ethers. 84,896 lbs released over 5 years.
TRI facility ID 51250PLLCR1800N (U.S. EPA Toxics Release Inventory)
Severity 6.8
Sioux-Preme Packing Co., Sioux Center
TRI reporting facility.
EPA FRS registry ID 110006163855 (U.S. EPA ECHO) Agency record
Severity 6.2
Groschopp Inc., Sioux Center
Toxic chemical release facility (TRI). Chemicals: Copper, Nickel, Chromium, Lead. Reports carcinogens. 119 lbs released over 5 years.
TRI facility ID 51250MWGRS42015 (U.S. EPA Toxics Release Inventory)
Severity 6.1
Pella Corporation - Sioux Center, Sioux Center
Large hazardous waste generator.
EPA FRS registry ID 110001762147 (U.S. EPA ECHO) Agency record
Severity 6
Sheldon Wastewater Plant, Sheldon
NPDES wastewater discharge permit.
EPA FRS registry ID 110036159304 (U.S. EPA ECHO) Agency record
Severity 6
Sioux Center City Of Stp, Sioux Center
NPDES wastewater discharge permit.
EPA FRS registry ID 110036383829 (U.S. EPA ECHO) Agency record
Severity 6
Vogel Paint & Wax Co Inc, Orange City
TRI reporting facility.
EPA FRS registry ID 110000414043 (U.S. EPA ECHO) Agency record
Severity 5.7
Siouxland Energy & Livestock Coop, Sioux Center
TRI reporting facility.
EPA FRS registry ID 110010829078 (U.S. EPA ECHO) Agency record
Severity 5.7
Kent Nutrition Group - Sheldon, Sheldon
Toxic chemical release facility (TRI). Chemicals: Zinc compounds, Manganese compounds, Copper compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region) and 3 more. Reports carcinogens. 28 lbs released over 5 years.
TRI facility ID 5120WKNTNT15RMT (U.S. EPA Toxics Release Inventory)
Severity 5.6
Agropur Inc, Hull
Toxic chemical release facility (TRI). Chemicals: Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid, Peracetic acid. 1,762 lbs released over 5 years.
TRI facility ID 51239GRNMD332DI (U.S. EPA Toxics Release Inventory)
Severity 5.5
Center Fresh Egg Farm - Domestic Wastewater, Sioux Center
NPDES wastewater discharge permit. Penalties $5,000.
EPA FRS registry ID 110070940562 (U.S. EPA ECHO) Agency record
Severity 5.3
Valley Plating Inc., Rock Valley
Toxic chemical release facility (TRI). Chemicals: Zinc compounds. 460 lbs released over 5 years.
TRI facility ID 5124WVLLYP185WE (U.S. EPA Toxics Release Inventory)
Severity 5
Rosenboon Machine & Tool Inc, Sheldon
TRI reporting facility. Penalties $8,750.
EPA FRS registry ID 110012705019 (U.S. EPA ECHO) Agency record
Severity 5
Valley Plating, Inc., Rock Valley
TRI reporting facility.
EPA FRS registry ID 110055927966 (U.S. EPA ECHO) Agency record
Severity 4.9
Groschopp, Inc, Sioux Center
TRI reporting facility.
EPA FRS registry ID 110000414301 (U.S. EPA ECHO) Agency record
Severity 4.6
Hull Wastewater Treatment Plant, Hull
NPDES wastewater discharge permit.
EPA FRS registry ID 110010034881 (U.S. EPA ECHO) Agency record
Severity 4.5
Rosenboon Machine & Tool Inc, Sheldon
Toxic chemical release facility (TRI). Chemicals: Cobalt And Cobalt Compounds, Lead, Cobalt compounds, Manganese. Reports carcinogens.
TRI facility ID 51201RSNBN1530W (U.S. EPA Toxics Release Inventory)
Severity 4.5
Boyden City Of Stp, Boyden
NPDES wastewater discharge permit.
EPA FRS registry ID 110010033659 (U.S. EPA ECHO) Agency record
Severity 4.3
Gcc Alliance Concrete Incorporated, Sioux Center
TRI reporting facility.
EPA FRS registry ID 110001388301 (U.S. EPA ECHO) Agency record
Severity 4

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 Sioux 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 Sioux 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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