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Shannon County, Missouri: environmental and disease records

Cancer mortality in Shannon County is 209.3 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 2.1 times the U.S. rate. Federal databases place 71 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (33), Air permit holder (minor source) (15), Industrial wastewater discharge (9). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 30 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: 37.1531, -91.3443.

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 Shannon County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	63.4	30.2	2.1xSignificant	43.6 to 90.5	2020-2024
Lung & bronchus	New cases	95.3	51.8	1.84xSignificant	70.3 to 127.7	2019-2023
All cancer	Deaths	209.3	143.2	1.46xSignificant	171.9 to 253.6	2020-2024
All cancer	New cases	457.2	453.4	1.01x	398.7 to 522.8	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 Shannon County
Measure	County	U.S. median	Difference	Unit
Premature death	13,466.2	9,842.6	+37%	years of life lost before age 75 per 100,000
Life expectancy	71.7	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	131.3	96.9	+35%	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: 30 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde18.78 per million
Carbon Tetrachloride2.89 per million
Acetaldehyde1.82 per million
Pahpom0.74 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit33
Air permit holder (minor source)15
Industrial wastewater discharge9
Gas station (mapped facility)6
Wastewater plant (mapped facility)4
Brownfield property1
Large hazardous waste generator1
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.

Royal Oak Enterprises-Summersville, Summersville
Toxic chemical release facility (TRI). Chemicals: Methanol. 3,085 lbs released over 5 years.
TRI facility ID 65571CRGNDCORDJ (U.S. EPA Toxics Release Inventory)
Severity 5.7
Royal Oak Enterprises, Llc, Summersville
TRI reporting facility.
EPA FRS registry ID 110000596383 (U.S. EPA ECHO) Agency record
Severity 5.3
Winona Pws, Winona
NPDES wastewater discharge permit.
EPA FRS registry ID 110013051348 (U.S. EPA ECHO) Agency record
Severity 4.5
Birch Tree Pws-Well # 2 Treatment, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110009695883 (U.S. EPA ECHO) Agency record
Severity 3.8
Eminence Oil Company (Former), Eminence
Brownfield property.
EPA FRS registry ID 110038754130 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Ozark Post & Lumber Inc, Birch Tree
Large hazardous waste generator.
EPA FRS registry ID 110017992083 (U.S. EPA ECHO) Agency record
Severity 3
Winona Wwtp, Winona
Industrial wastewater discharge. Violation Identified.
NPDES permit MO0100714: (U.S. EPA NPDES)
Severity 2.7
Eminence Wwtp, Eminence
Industrial wastewater discharge. No Violation Identified.
NPDES permit MO0055328: (U.S. EPA NPDES)
Severity 2.5
Liberty High School Wwtf, Montier
NPDES wastewater discharge permit.
EPA FRS registry ID 110012306478 (U.S. EPA ECHO) Agency record
Severity 2.5
Birch Tree Wwtf, Birch Tree
Industrial wastewater discharge. Violation Identified.
NPDES permit MO0050598: (U.S. EPA NPDES)
Severity 2.4
Bj'S Meat Locker Llc, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110071223778 (U.S. EPA ECHO) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1318233460 (OpenStreetMap contributors) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1318233461 (OpenStreetMap contributors) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1318233462 (OpenStreetMap contributors) Agency record
Severity 2
Wastewater Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1318233463 (OpenStreetMap contributors) Agency record
Severity 2
Travis Morrison, Akers
NPDES wastewater discharge permit.
EPA FRS registry ID 110018002383 (U.S. EPA ECHO) Agency record
Severity 1.8
Eminence Wwtp, Eminence
NPDES wastewater discharge permit.
EPA FRS registry ID 110039801015 (U.S. EPA ECHO) Agency record
Severity 1.8
Frost Sawmill, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110001464549 (U.S. EPA ECHO) Agency record
Severity 1.5
Usnps Alley Spring Wwtp, Eminence
NPDES wastewater discharge permit.
EPA FRS registry ID 110006724410 (U.S. EPA ECHO) Agency record
Severity 1.5
Usnps Round Spring Wwtp, Eminence
NPDES wastewater discharge permit.
EPA FRS registry ID 110006724615 (U.S. EPA ECHO) Agency record
Severity 1.5
Mc Materials Plant 64 - Winona, Winona
NPDES wastewater discharge permit.
EPA FRS registry ID 110009888639 (U.S. EPA ECHO) Agency record
Severity 1.5
Mfa Agriservices, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110011082121 (U.S. EPA ECHO) Agency record
Severity 1.5
S & T Lumber, Eminence
NPDES wastewater discharge permit.
EPA FRS registry ID 110013403307 (U.S. EPA ECHO) Agency record
Severity 1.5
Hardwoods Of Missouri Llc, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110017988454 (U.S. EPA ECHO) Agency record
Severity 1.5
The Layman Company, Birch Tree
NPDES wastewater discharge permit.
EPA FRS registry ID 110018000161 (U.S. EPA ECHO) Agency record
Severity 1.5

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 Shannon 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 Shannon 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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