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Delaware County, Iowa: environmental and disease records

Cancer mortality in Delaware County is 152.8 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 190 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (69), Air permit holder (minor source) (37), Industrial wastewater discharge (23). 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: 42.4703, -91.3697.

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 Delaware County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Thyroid	New cases	21.7	13	1.67x	12.9 to 34.1	2019-2023
Melanoma of the skin	New cases	35.9	23.8	1.51xSignificant	25.2 to 49.9	2019-2023
Leukemia	New cases	19.6	14.5	1.35x	12.2 to 30.2	2019-2023
Pancreas	Deaths	14.8	11.3	1.31x	9.1 to 23.4	2020-2024
Pancreas	New cases	16.4	13.9	1.18x	10 to 26	2019-2023
Kidney & renal pelvis	New cases	20.1	17.9	1.12x	11.9 to 31.8	2019-2023
Non-Hodgkin lymphoma	New cases	20.5	18.5	1.11x	13.4 to 30.5	2019-2023
All cancer	New cases	498.3	453.4	1.1xSignificant	457.9 to 541.6	2019-2023
All cancer	Deaths	152.8	143.2	1.07x	132.5 to 175.9	2020-2024
Lung & bronchus	Deaths	31	30.2	1.03x	22.4 to 42.4	2020-2024
Bladder	New cases	17.8	18.7	0.95x	11.5 to 27.1	2019-2023
Lung & bronchus	New cases	46.9	51.8	0.91x	36 to 60.5	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 Delaware County
Measure	County	U.S. median	Difference	Unit
Premature death	6,094.1	9,842.6	-38%	years of life lost before age 75 per 100,000
Life expectancy	79.3	75.3	+5%	years
Child mortality	62.5	59.8	+5%	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	82.5	96.9	-15%	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.

Formaldehyde14.39 per million
Carbon Tetrachloride2.95 per million
Acetaldehyde1.33 per million
Benzene0.79 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Rail grade crossing69
Air permit holder (minor source)37
Industrial wastewater discharge23
NPDES wastewater discharge permit22
Toxic chemical release facility (TRI)9
Brownfield property8
Small hazardous waste generator6
TRI reporting facility6
Major air pollution source2
Public airport2
Large greenhouse gas emitter2
Oil-fired power plant2
Large hazardous waste generator1
Wind power plant1

Highest-severity records

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

Big River United Energy Llc, Dyersville
Toxic chemical release facility (TRI). Chemicals: Acetaldehyde, n-Hexane, Formic acid, Acrolein and 4 more. Reports carcinogens. 133,539 lbs released over 5 years.
TRI facility ID 5204WBGRVR3294V (U.S. EPA Toxics Release Inventory)
Severity 8.4
Stryten Manchester Llc, Manchester
Toxic chemical release facility (TRI). Chemicals: Lead And Lead Compounds, Acetophenone, Lead compounds, Antimony And Antimony Compounds and 4 more. Reports carcinogens. 1,382 lbs released over 5 years.
TRI facility ID 52057XDCRPSOUTH (U.S. EPA Toxics Release Inventory)
Severity 6.9
Henderson Products Inc, Manchester
Toxic chemical release facility (TRI). Chemicals: Chromium, Manganese, Nickel, Copper. Reports carcinogens. 825 lbs released over 5 years.
TRI facility ID 52057HNDRS1085S (U.S. EPA Toxics Release Inventory)
Severity 6.7
Xl Specialized Trailers Inc, Manchester
Toxic chemical release facility (TRI). Chemicals: Manganese, Lead. Reports carcinogens. 434 lbs released over 5 years.
TRI facility ID 52057XLSPC186S3 (U.S. EPA Toxics Release Inventory)
Severity 6.5
Big River United Energy, Llc, Dyersville
TRI reporting facility.
EPA FRS registry ID 110037386913 (U.S. EPA ECHO) Agency record
Severity 6.3
Henderson Products Inc, Manchester
TRI reporting facility. Penalties $18,375.
EPA FRS registry ID 110001130687 (U.S. EPA ECHO) Agency record
Severity 5.9
Paladin Attachments - Manchester, Manchester
Toxic chemical release facility (TRI). Chemicals: Manganese, Nickel. Reports carcinogens. 20 lbs released over 5 years.
TRI facility ID 52057TTCHM621GR (U.S. EPA Toxics Release Inventory)
Severity 5.5
Paladin Attachments - Delhi, Delhi
Toxic chemical release facility (TRI). Chemicals: Manganese, Propylene. 426 lbs released over 5 years.
TRI facility ID 52223TTCHM53GAY (U.S. EPA Toxics Release Inventory)
Severity 5
Exide Technologies - Manchester, Manchester
TRI reporting facility.
EPA FRS registry ID 110000414677 (U.S. EPA ECHO) Agency record
Severity 5
Bull Moose Hhi Dba Xl Specialized Trailers Inc, Manchester
TRI reporting facility.
EPA FRS registry ID 110001398185 (U.S. EPA ECHO) Agency record
Severity 4.9
Rockwell Collins - Manchester Operations, Manchester
Toxic chemical release facility (TRI). Chemicals: Lead. Reports carcinogens. 2 lbs released over 5 years.
TRI facility ID 52057RCKWL901S1 (U.S. EPA Toxics Release Inventory)
Severity 4.9
Hopkinton Wwtp, Hopkinton
NPDES wastewater discharge permit.
EPA FRS registry ID 110009723898 (U.S. EPA ECHO) Agency record
Severity 4.3
Hopkinton, Hopkinton
Oil-fired power plant.
Record ID 8108 (U.S. Energy Information Administration)
Severity 4
Earlville, Earlville
Oil-fired power plant.
Record ID 7865 (U.S. Energy Information Administration)
Severity 4
Rockwell Collins, Manchester
TRI reporting facility.
EPA FRS registry ID 110000414668 (U.S. EPA ECHO) Agency record
Severity 4
Dnr Backbone State Park (Cabins & Spillway), Dundee
NPDES wastewater discharge permit.
EPA FRS registry ID 110009056387 (U.S. EPA ECHO) Agency record
Severity 4
Edgewood Wwtp, Edgewood
NPDES wastewater discharge permit.
EPA FRS registry ID 110010036415 (U.S. EPA ECHO) Agency record
Severity 4
Us Feeds Llc - Dyersville, Dyersville
TRI reporting facility.
EPA FRS registry ID 110062748923 (U.S. EPA ECHO) Agency record
Severity 4
Earlville City Of Stp, Earlville
NPDES wastewater discharge permit.
EPA FRS registry ID 110011511462 (U.S. EPA ECHO) Agency record
Severity 3.8
Big River United Energy, Llc, Dyersville
Major air pollution source.
EPA FRS registry ID 110037386913 (U.S. EPA ECHO) Agency record
Severity 3.8
Alliance Pipeline L.P. - Manchester, Manchester
Major air pollution source.
EPA FRS registry ID 110011273004 (U.S. EPA ECHO) Agency record
Severity 3.5
Earlville City Of Stp, Earlville
Air permit holder (minor source).
EPA FRS registry ID 110011511462 (U.S. EPA ECHO) Agency record
Severity 3.3
Delaware City Of Stp, Delaware
NPDES wastewater discharge permit.
EPA FRS registry ID 110036373867 (U.S. EPA ECHO) Agency record
Severity 3.3
Big River United Energy, Llc, Dyersville
NPDES wastewater discharge permit.
EPA FRS registry ID 110037386913 (U.S. EPA ECHO) Agency record
Severity 3.3
Former Paris & Sons Elevator, Masonville
Brownfield property.
EPA FRS registry ID 110040210679 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 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 Delaware 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 Delaware 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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