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Clayton County, Iowa: environmental and disease records

Cancer mortality in Clayton County is 147.9 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 173 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (85), Air permit holder (minor source) (29), Industrial wastewater discharge (22). 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: 42.8621, -91.3526.

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 Clayton County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Non-Hodgkin lymphoma	New cases	28.5	18.5	1.54xSignificant	19.3 to 40.9	2019-2023
Kidney & renal pelvis	New cases	22.6	17.9	1.26x	14.6 to 33.8	2019-2023
Leukemia	New cases	16.7	14.5	1.15x	10.4 to 26.1	2019-2023
Pancreas	New cases	15.8	13.9	1.14x	9.3 to 25.7	2019-2023
Melanoma of the skin	New cases	27	23.8	1.13x	17.8 to 39.6	2019-2023
Pancreas	Deaths	12.6	11.3	1.12x	6.8 to 21.7	2020-2024
All cancer	New cases	482.9	453.4	1.07x	444 to 524.7	2019-2023
All cancer	Deaths	147.9	143.2	1.03x	128.2 to 170.3	2020-2024
Bladder	New cases	19.3	18.7	1.03x	12.4 to 29.3	2019-2023
Lung & bronchus	New cases	49.2	51.8	0.95x	38.5 to 62.7	2019-2023
Lung & bronchus	Deaths	23.5	30.2	0.78x	16.3 to 33.5	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 Clayton County
Measure	County	U.S. median	Difference	Unit
Premature death	6,441.9	9,842.6	-35%	years of life lost before age 75 per 100,000
Life expectancy	79.1	75.3	+5%	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	84.4	96.9	-13%	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.

Formaldehyde14.61 per million
Carbon Tetrachloride2.96 per million
Acetaldehyde1.36 per million
Benzene0.81 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing85
Air permit holder (minor source)29
Industrial wastewater discharge22
NPDES wastewater discharge permit19
Brownfield property7
Public airport2
Small hazardous waste generator2
Heliport2
Oil-fired power plant2
Solar 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.

Swiss Valley Farms Cooperative, Luana
TRI reporting facility. Penalties $10,000.
EPA FRS registry ID 110000414720 (U.S. EPA ECHO) Agency record
Severity 10
Prairie Farms, Luana
Toxic chemical release facility (TRI). Chemicals: Nitric acid, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Peracetic acid, Certain glycol ethers and 2 more. 1,563,555 lbs released over 5 years.
TRI facility ID 52156SWSSVHWY18 (U.S. EPA Toxics Release Inventory)
Severity 7.8
Swiss Valley Farms Cooperative, Luana
NPDES wastewater discharge permit. Penalties $10,000.
EPA FRS registry ID 110000414720 (U.S. EPA ECHO) Agency record
Severity 5.5
Swiss Valley Farms Cooperative, Luana
Air permit holder (minor source). Penalties $10,000.
EPA FRS registry ID 110000414720 (U.S. EPA ECHO) Agency record
Severity 5
Scenic Acres, Saint Olaf
NPDES wastewater discharge permit.
EPA FRS registry ID 110013111113 (U.S. EPA ECHO) Agency record
Severity 4.3
Strawberry Point City Of Stp, Strawberry Point
NPDES wastewater discharge permit.
EPA FRS registry ID 110071711217 (U.S. EPA ECHO) Agency record
Severity 4.3
South Strawberry, Strawberry Point
Oil-fired power plant.
Record ID 7926 (U.S. Energy Information Administration)
Severity 4
Mcgregor, Mcgregor
Oil-fired power plant.
Record ID 1163 (U.S. Energy Information Administration)
Severity 4
Dnr Pikes Peak State Park-Stp, Mcgregor
NPDES wastewater discharge permit.
EPA FRS registry ID 110006676187 (U.S. EPA ECHO) Agency record
Severity 3.8
Guttenberg Wwtp, Guttenberg
NPDES wastewater discharge permit.
EPA FRS registry ID 110010036629 (U.S. EPA ECHO) Agency record
Severity 3.8
Camp Ewalu, Strawberry Point
NPDES wastewater discharge permit.
EPA FRS registry ID 110057000105 (U.S. EPA ECHO) Agency record
Severity 3.8
Luana City Of Stp, Luana
NPDES wastewater discharge permit.
EPA FRS registry ID 110010035746 (U.S. EPA ECHO) Agency record
Severity 3.3
Yoder Feed Mill, Strawberry Point
Brownfield property.
EPA FRS registry ID 110036173397 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
88 North Street, Marquette
Brownfield property.
EPA FRS registry ID 110071968097 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
84 North Street, Marquette
Brownfield property.
EPA FRS registry ID 110071968098 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
104 North Street, Marquette
Brownfield property.
EPA FRS registry ID 110071968507 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Wetlands Center, Mcgregor
Brownfield property.
EPA FRS registry ID 110071968508 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Garnavillo School, Garnavillo
Brownfield property.
EPA FRS registry ID 110071968643 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Former Hardware Store- 252 Main Street, Mcgregor
Brownfield property.
EPA FRS registry ID 110071969444 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Garnavillo City Of Stp, Garnavillo
NPDES wastewater discharge permit.
EPA FRS registry ID 110009723889 (U.S. EPA ECHO) Agency record
Severity 3
Monona City Of Stp, Monona
Industrial wastewater discharge. No Violation Identified.
NPDES permit IA0036927: (U.S. EPA NPDES)
Severity 2.9
Saint Olaf City Of Stp, Saint Olaf
NPDES wastewater discharge permit.
EPA FRS registry ID 110010029646 (U.S. EPA ECHO) Agency record
Severity 2.8
Guttenberg City Of Stp, Guttenberg
Industrial wastewater discharge. Violation Identified.
NPDES permit IA0022284: (U.S. EPA NPDES)
Severity 2.7
Monona Wwtp, Monona
NPDES wastewater discharge permit.
EPA FRS registry ID 110006777121 (U.S. EPA ECHO) Agency record
Severity 2.5
Strawberry Point City Of Stp, Strawberry Point
Industrial wastewater discharge. Violation Identified.
NPDES permit IA0042757: (U.S. EPA NPDES)
Severity 2.4

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 Clayton 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 Clayton 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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