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Linn County, Missouri: environmental and disease records

Cancer mortality in Linn County is 192.7 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Lung & bronchus deaths at 1.5 times the U.S. rate. Federal databases place 143 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (46), Rail grade crossing (34), 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: 39.863, -93.1086.

How this county ranks in Missouri

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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 Linn County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	New cases	85	51.8	1.64xSignificant	67.2 to 106.8	2019-2023
Lung & bronchus	Deaths	46.4	30.2	1.54xSignificant	33 to 64.2	2020-2024
Pancreas	New cases	19.9	13.9	1.43x	11.4 to 33	2019-2023
All cancer	Deaths	192.7	143.2	1.35xSignificant	164.2 to 225.4	2020-2024
Melanoma of the skin	New cases	30.2	23.8	1.27x	18.9 to 46.2	2019-2023
Bladder	New cases	22.9	18.7	1.22x	13.8 to 36.6	2019-2023
Kidney & renal pelvis	New cases	20.7	17.9	1.16x	11.6 to 34.7	2019-2023
All cancer	New cases	519.9	453.4	1.15xSignificant	469.7 to 574.3	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 Linn County
Measure	County	U.S. median	Difference	Unit
Premature death	8,940.3	9,842.6	-9%	years of life lost before age 75 per 100,000
Life expectancy	75	75.3	-0%	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	90.8	96.9	-6%	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.

Formaldehyde17.63 per million
Carbon Tetrachloride2.94 per million
Acetaldehyde1.66 per million
Benzene0.73 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit46
Rail grade crossing34
Industrial wastewater discharge22
Air permit holder (minor source)21
Gas station (mapped facility)5
Small hazardous waste generator4
Brownfield property3
Auto repair or body shop (mapped facility)2
Heliport2
Public airport1
Landfill (mapped facility)1
Oil-fired power plant1
Wastewater plant (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.

Linn Co. R-I School District Wwtf, Purdin
NPDES wastewater discharge permit.
EPA FRS registry ID 110009695927 (U.S. EPA ECHO) Agency record
Severity 4.3
Professional Pump, Brookfield
NPDES wastewater discharge permit.
EPA FRS registry ID 110045498537 (U.S. EPA ECHO) Agency record
Severity 4.3
Marceline, Marceline
Oil-fired power plant.
Record ID 7470 (U.S. Energy Information Administration)
Severity 4
Laclede Wwtf, Laclede
NPDES wastewater discharge permit.
EPA FRS registry ID 110009874975 (U.S. EPA ECHO) Agency record
Severity 4
Meadville Wwtf, Meadville
NPDES wastewater discharge permit.
EPA FRS registry ID 110042727118 (U.S. EPA ECHO) Agency record
Severity 4
Purdin Wwtf, Purdin
NPDES wastewater discharge permit.
EPA FRS registry ID 110042762187 (U.S. EPA ECHO) Agency record
Severity 3.8
Browning Wwtf, Browning
NPDES wastewater discharge permit.
EPA FRS registry ID 110009877053 (U.S. EPA ECHO) Agency record
Severity 3.3
Marceline Wwtp, Marceline
NPDES wastewater discharge permit.
EPA FRS registry ID 110009877954 (U.S. EPA ECHO) Agency record
Severity 3.3
Linn County Cons Pwsd 1, Purdin
NPDES wastewater discharge permit.
EPA FRS registry ID 110012965620 (U.S. EPA ECHO) Agency record
Severity 3.3
Brookfield Wwtp, Brookfield
NPDES wastewater discharge permit.
EPA FRS registry ID 110069425606 (U.S. EPA ECHO) Agency record
Severity 3.3
Linn County Jail, Linneus
Brownfield property.
EPA FRS registry ID 110038757191 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
St. Francis Hospital & Land (Old), Marceline
Brownfield property.
EPA FRS registry ID 110071976350 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
St. Francis Hospital Business Complex, Marceline
Brownfield property.
EPA FRS registry ID 110072077814 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Mfa Oil Petro Card Browning, Browning
NPDES wastewater discharge permit.
EPA FRS registry ID 110054098793 (U.S. EPA ECHO) Agency record
Severity 3
Marceline Wwtp, Marceline
Industrial wastewater discharge. No Violation Identified.
NPDES permit MO0039721: (U.S. EPA NPDES)
Severity 2.8
Linneus Wwtf, Linneus
NPDES wastewater discharge permit.
EPA FRS registry ID 110009875037 (U.S. EPA ECHO) Agency record
Severity 2.8
Bucklin West Wwtf, Bucklin
NPDES wastewater discharge permit.
EPA FRS registry ID 110009875965 (U.S. EPA ECHO) Agency record
Severity 2.8
Bucklin East Wwtf, Bucklin
NPDES wastewater discharge permit.
EPA FRS registry ID 110009875974 (U.S. EPA ECHO) Agency record
Severity 2.8
Linneus Wwtf, Linneus
Industrial wastewater discharge. Violation Identified.
NPDES permit MO0093491: (U.S. EPA NPDES)
Severity 2.5
Hilltop Processing Llc, New Boston
NPDES wastewater discharge permit.
EPA FRS registry ID 110071503105 (U.S. EPA ECHO) Agency record
Severity 2.5
Bucklin East Wwtf, Bucklin
Industrial wastewater discharge. Violation Identified.
NPDES permit MO0085928: (U.S. EPA NPDES)
Severity 2.3
Meadville Wwtf, Meadville
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit MO0041114: (U.S. EPA NPDES)
Severity 2.3
Laclede Wwtf, Laclede
Industrial wastewater discharge. Violation Identified.
NPDES permit MO0092932: (U.S. EPA NPDES)
Severity 2.2
Bucklin West Wwtf, Bucklin
Industrial wastewater discharge. No Violation Identified.
NPDES permit MO0085910: (U.S. EPA NPDES)
Severity 2.1
Mfa Oil Bulk Plant Brookfield, Brookfield
NPDES wastewater discharge permit.
EPA FRS registry ID 110009889763 (U.S. EPA ECHO) Agency record
Severity 2

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 Linn County

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