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Winnebago County, Iowa: environmental and disease records

Cancer mortality in Winnebago County is 142.6 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 101 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (42), Air permit holder (minor source) (16), Industrial wastewater discharge (10). 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: 43.3684, -93.7341.

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 Winnebago 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	40.3	23.8	1.69xSignificant	25.3 to 61	2019-2023
Lung & bronchus	New cases	59.1	51.8	1.14x	43 to 80.1	2019-2023
All cancer	New cases	497.4	453.4	1.1x	444.7 to 555.1	2019-2023
Bladder	New cases	20	18.7	1.07x	11.7 to 33.1	2019-2023
All cancer	Deaths	142.6	143.2	1x	117.7 to 172.1	2020-2024
Lung & bronchus	Deaths	24.4	30.2	0.81x	14.7 to 39.2	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 Winnebago County
Measure	County	U.S. median	Difference	Unit
Premature death	5,991.4	9,842.6	-39%	years of life lost before age 75 per 100,000
Life expectancy	78.8	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	78.2	96.9	-19%	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.

Formaldehyde13.39 per million
Carbon Tetrachloride2.94 per million
Acetaldehyde1.13 per million
Benzene0.75 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing42
Air permit holder (minor source)16
Industrial wastewater discharge10
NPDES wastewater discharge permit9
Gas station (mapped facility)8
Wind power plant3
Public airport2
Oil-fired power plant2
Major air pollution source1
Brownfield property1
Large greenhouse gas emitter1
Small hazardous waste generator1
Landfill (mapped facility)1
Biomass power plant1
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.

Lake Mills Sewage Treatment Plant (Stp), Lake Mills
NPDES wastewater discharge permit. Penalties $6,000.
EPA FRS registry ID 110010035700 (U.S. EPA ECHO) Agency record
Severity 5
Central Disposal Systems Inc, Lake Mills
Major air pollution source.
EPA FRS registry ID 110022726237 (U.S. EPA ECHO) Agency record
Severity 4.3
Forest City Light Plant, Forest City
Oil-fired power plant.
Record ID 1138 (U.S. Energy Information Administration)
Severity 4
Lake Mills, Lake Mills
Oil-fired power plant.
Record ID 1154 (U.S. Energy Information Administration)
Severity 4
Dielectric Corporation, Lake Mills
TRI reporting facility.
EPA FRS registry ID 110028180769 (U.S. EPA ECHO) Agency record
Severity 4
Forest City City Of Stp, Forest City
NPDES wastewater discharge permit.
EPA FRS registry ID 110010036521 (U.S. EPA ECHO) Agency record
Severity 3.5
Central Disposal Systems Inc, Lake Mills
Large greenhouse gas emitter.
EPA FRS registry ID 110022726237 (U.S. EPA ECHO) Agency record
Severity 3.3
Rake Community School Building, Rake
Brownfield property.
EPA FRS registry ID 110071977413 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Dielectric Mfg. - Iowa, Lake Mills
Toxic chemical release facility (TRI). Chemicals: Copper.
TRI facility ID 50450NVRSL202NE (U.S. EPA Toxics Release Inventory)
Severity 3
Lake Mills Gas Recovery, Lake Mills
Biomass power plant.
Record ID 56521 (U.S. Energy Information Administration)
Severity 2.5
Leland City Of Stp, Leland
NPDES wastewater discharge permit.
EPA FRS registry ID 110039690974 (U.S. EPA ECHO) Agency record
Severity 2.5
Leland City Of Stp, Leland
Industrial wastewater discharge. Violation Identified.
NPDES permit IA0036528: (U.S. EPA NPDES)
Severity 2.3
Lake Mills Muni, Lake Mills
Public airport. O.
Record ID 0Y6 (FAA / U.S. DOT)
Severity 2
Waste Management
Landfill (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1093162015 (OpenStreetMap contributors) Agency record
Severity 2
Cummins Filtration, Lake Mills
NPDES wastewater discharge permit.
EPA FRS registry ID 110000413428 (U.S. EPA ECHO) Agency record
Severity 1.5
Thompson City Of Stp, Thompson
NPDES wastewater discharge permit.
EPA FRS registry ID 110010030545 (U.S. EPA ECHO) Agency record
Severity 1.5
Rake City Of Stp, Rake
NPDES wastewater discharge permit.
EPA FRS registry ID 110010032142 (U.S. EPA ECHO) Agency record
Severity 1.5
Rembrandt Enterprises, Inc., Thompson
NPDES wastewater discharge permit.
EPA FRS registry ID 110011272942 (U.S. EPA ECHO) Agency record
Severity 1.5
Buffalo Center City Of Stp, Buffalo Center
NPDES wastewater discharge permit.
EPA FRS registry ID 110011273200 (U.S. EPA ECHO) Agency record
Severity 1.5
Asmus Farm Supply, Rake
Small hazardous waste generator.
EPA FRS registry ID 110011608180 (U.S. EPA ECHO) Agency record
Severity 1.5
City Of Forest City, Forest City
NPDES wastewater discharge permit.
EPA FRS registry ID 110070000382 (U.S. EPA ECHO) Agency record
Severity 1.5
4th Avenue West, Lake Mills
Rail grade crossing.
Record ID 195406X (Federal Railroad Administration)
Severity 1.3
Washington Street, Lake Mills
Rail grade crossing.
Record ID 195407E (Federal Railroad Administration)
Severity 1.3
South 6th Avenue West, Lake Mills
Rail grade crossing.
Record ID 195408L (Federal Railroad Administration)
Severity 1.3
South Lake Street, Lake Mills
Rail grade crossing.
Record ID 195409T (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 Winnebago 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 Winnebago 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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