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Dent County, Missouri: environmental and disease records

Cancer mortality in Dent County is 213.3 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 2.2 times the U.S. rate. Federal databases place 84 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (36), Air permit holder (minor source) (20), Industrial wastewater discharge (12). 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: 37.6081, -91.4818.

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 Dent County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	65.1	30.2	2.16xSignificant	50.9 to 82.6	2020-2024
Lung & bronchus	New cases	96.6	51.8	1.86xSignificant	79.2 to 117.4	2019-2023
All cancer	Deaths	213.3	143.2	1.49xSignificant	186.4 to 243.5	2020-2024
All cancer	New cases	508.9	453.4	1.12xSignificant	464.4 to 556.9	2019-2023
Kidney & renal pelvis	New cases	19	17.9	1.06x	11.1 to 30.7	2019-2023
Bladder	New cases	19.1	18.7	1.02x	11.8 to 30.1	2019-2023
Non-Hodgkin lymphoma	New cases	17.1	18.5	0.92x	9.9 to 28.2	2019-2023
Melanoma of the skin	New cases	21.5	23.8	0.9x	12.6 to 34.6	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 Dent County
Measure	County	U.S. median	Difference	Unit
Premature death	14,445.9	9,842.6	+47%	years of life lost before age 75 per 100,000
Life expectancy	71.1	75.3	-5%	years
Child mortality	89.7	59.8	+50%	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	126	96.9	+30%	deaths per 100,000
Drug overdose deaths	58.6	28.6	+105%	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.

Formaldehyde17.78 per million
Carbon Tetrachloride2.88 per million
Acetaldehyde1.72 per million
Pahpom0.72 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit36
Air permit holder (minor source)20
Industrial wastewater discharge12
Brownfield property3
Gas station (mapped facility)3
Public airport2
Auto repair or body shop (mapped facility)2
Toxic chemical release facility (TRI)2
Small hazardous waste generator1
Heliport1
Scrapyard (mapped facility)1
TRI reporting facility1

Highest-severity records

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

Buick Mine/Mill, Boss
Toxic chemical release facility (TRI). Chemicals: Zinc compounds, Lead And Lead Compounds, Lead compounds, Copper compounds and 4 more. 47,062,944 lbs released over 5 years.
TRI facility ID 65440BCKMNHWYKK (U.S. EPA Toxics Release Inventory)
Severity 8.9
Royal Oak Enterprises-Salem, Salem
Toxic chemical release facility (TRI). Chemicals: Methanol, Naphthalene, Sodium nitrite. Reports carcinogens. 6,118 lbs released over 5 years.
TRI facility ID 65560RYLKNHWY19 (U.S. EPA Toxics Release Inventory)
Severity 7.4
Salem Wwtp, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110010306962 (U.S. EPA ECHO) Agency record
Severity 6
Royal Oak Enterprises - Salem Briquet Plant, Salem
TRI reporting facility.
EPA FRS registry ID 110017980452 (U.S. EPA ECHO) Agency record
Severity 5.2
Melanie Cox Wwtf, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110006725375 (U.S. EPA ECHO) Agency record
Severity 4.5
Montauk State Fish Hatchery, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110017988686 (U.S. EPA ECHO) Agency record
Severity 4.5
Modot Salem Maintenance, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110055024637 (U.S. EPA ECHO) Agency record
Severity 4.5
Adams Subdivision Wwtf, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110009876125 (U.S. EPA ECHO) Agency record
Severity 4
Timber Industries, Inc. - Dent County, Salem
Brownfield property.
EPA FRS registry ID 110071975473 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Salem Old Middle School, Salem
Brownfield property.
EPA FRS registry ID 110071978653 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Masters Industrial Park, Salem
Brownfield property.
EPA FRS registry ID 110071984245 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Salem Wwtp, Salem
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit MO0021768: (U.S. EPA NPDES)
Severity 2.9
Green Meadows Farm, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110071942173 (U.S. EPA ECHO) Agency record
Severity 2.3
Adams Subdivision Wwtf, Salem
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit MO0083984: (U.S. EPA NPDES)
Severity 2.2
Mdnr, Montauk State Park Wwtf, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110006666367 (U.S. EPA ECHO) Agency record
Severity 2
Salem Memorial District Hospital Wwtf, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110013893233 (U.S. EPA ECHO) Agency record
Severity 2
Dbi Adventures Llc Dba Ozark Trails Camp, Jadwin
NPDES wastewater discharge permit.
EPA FRS registry ID 110070618617 (U.S. EPA ECHO) Agency record
Severity 2
Salem Meml, Salem
Public airport. O.
Record ID K33 (FAA / U.S. DOT)
Severity 2
Seville Care Center, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110009875527 (U.S. EPA ECHO) Agency record
Severity 1.8
Mfa Bulk Plant - Salem, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110009889638 (U.S. EPA ECHO) Agency record
Severity 1.8
Mfa Oil Company Salem Petro Card, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110031270997 (U.S. EPA ECHO) Agency record
Severity 1.8
Salem Mobil, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110064515172 (U.S. EPA ECHO) Agency record
Severity 1.8
Royal Oak Enterprises Llc Salem, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110070392443 (U.S. EPA ECHO) Agency record
Severity 1.8
North Wood R-Iv School Wwtp, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110006730494 (U.S. EPA ECHO) Agency record
Severity 1.5
Heartland Metal Finishing Inc, Salem
NPDES wastewater discharge permit.
EPA FRS registry ID 110011104731 (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 Dent 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 Dent 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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