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Izard County, Arkansas: environmental and disease records

Cancer mortality in Izard County is 179.1 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 times the U.S. rate. Federal databases place 159 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (64), Rail grade crossing (41), NPDES wastewater discharge permit (31). One correctional facility operates in the county, at least one with health-based drinking water violations on record. 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: 36.066, -91.8978.

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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 Izard County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	Deaths	60.5	30.2	2xSignificant	47.4 to 77	2020-2024
Bladder	New cases	29	18.7	1.55xSignificant	19.8 to 42.1	2019-2023
Lung & bronchus	New cases	73.8	51.8	1.42xSignificant	59 to 92.1	2019-2023
Pancreas	New cases	19.8	13.9	1.42x	12.2 to 31.4	2019-2023
All cancer	Deaths	179.1	143.2	1.25xSignificant	155.4 to 206.2	2020-2024
Pancreas	Deaths	13.8	11.3	1.22x	8.1 to 23.3	2020-2024
All cancer	New cases	422.3	453.4	0.93x	383.2 to 465	2019-2023
Kidney & renal pelvis	New cases	15.9	17.9	0.89x	9.3 to 26.5	2019-2023
Non-Hodgkin lymphoma	New cases	16.3	18.5	0.88x	9.5 to 27.1	2019-2023
Melanoma of the skin	New cases	17.5	23.8	0.74x	10.5 to 28.4	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 Izard County
Measure	County	U.S. median	Difference	Unit
Premature death	11,978.5	9,842.6	+22%	years of life lost before age 75 per 100,000
Life expectancy	73.7	75.3	-2%	years
Child mortality	128.3	59.8	+115%	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	109	96.9	+12%	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.

Formaldehyde20.54 per million
Carbon Tetrachloride2.91 per million
Acetaldehyde2.05 per million
Pahpom0.82 per million

EPA Air Quality Index

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

Regulated facilities, sites and hazards by type

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

Industrial wastewater discharge64
Rail grade crossing41
NPDES wastewater discharge permit31
Air permit holder (minor source)11
Public airport3
Gas station (mapped facility)3
Correctional facility (prison or jail)1
Large hazardous waste generator1
Hazardous waste transporter1
TRI reporting facility1
Toxic chemical release facility (TRI)1
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.

Oxford Waterworks, Oxford
NPDES wastewater discharge permit. Penalties $1,500.
EPA FRS registry ID 110011375430 (U.S. EPA ECHO) Agency record
Severity 4.8
Sentinel Industries Inc., Calico Rock
Toxic chemical release facility (TRI). Chemicals: Copper compounds, Arsenic compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region). Reports carcinogens.
TRI facility ID 72519SNTNLHWY56 (U.S. EPA Toxics Release Inventory)
Severity 4.5
Sentinel Industries, Inc., Calico Rock
TRI reporting facility.
EPA FRS registry ID 110043769605 (U.S. EPA ECHO) Agency record
Severity 4.3
Horseshoe Bend - Paradise Acres Stp, Horseshoe Bend
NPDES wastewater discharge permit. Penalties $2,000.
EPA FRS registry ID 110056004522 (U.S. EPA ECHO) Agency record
Severity 4.3
Horseshoe Bend Wwtp, Horseshoe Bend
NPDES wastewater discharge permit. Penalties $2,000.
EPA FRS registry ID 110010066472 (U.S. EPA ECHO) Agency record
Severity 3.5
Ar Dept Of Correction Izard Co-Chlorination At Well #1, Calico Rock
Correctional facility (prison or jail).
EPA FRS registry ID 110013019143 (U.S. EPA ECHO + SDWIS) Agency record
Severity 3.4
Unilin Flooring Nc, Llc - Melbourne Plant, Melbourne
Large hazardous waste generator.
EPA FRS registry ID 110007349743 (U.S. EPA ECHO) Agency record
Severity 3.3
Ar Dept Of Correction Izard Co-Chlorination At Well #1, Calico Rock
NPDES wastewater discharge permit.
EPA FRS registry ID 110013019143 (U.S. EPA ECHO) Agency record
Severity 3.3
Calico Rock Wwtp, Calico Rock
NPDES wastewater discharge permit.
EPA FRS registry ID 110055983583 (U.S. EPA ECHO) Agency record
Severity 3.3
Melbourne, City Of-Wwtf, Melbourne
Industrial wastewater discharge. Violation Identified.
NPDES permit AR0020036: (U.S. EPA NPDES)
Severity 2.7
Melbourne, City Of-Wwtf, Melbourne
NPDES wastewater discharge permit.
EPA FRS registry ID 110009124410 (U.S. EPA ECHO) Agency record
Severity 2.5
Arkansas Dept Of Correction-Ncu-Izard County Facility, Calico Rock
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit AR0044016: (U.S. EPA NPDES)
Severity 2.4
Calico Rock, City Of, Calico Rock
Industrial wastewater discharge. Violation Identified.
NPDES permit AR0034606: (U.S. EPA NPDES)
Severity 2.3
Calico Rock Muni, Calico Rock
Public airport. O.
Record ID 37T (FAA / U.S. DOT)
Severity 2
Melbourne Muni/John E Miller Fld, Melbourne
Public airport. O.
Record ID 42A (FAA / U.S. DOT)
Severity 2
Horseshoe Bend, Horseshoe Bend
Public airport. O.
Record ID 6M2 (FAA / U.S. DOT)
Severity 2
City Of Calico Rock Waste And Water Treatment Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/1367118991 (OpenStreetMap contributors) Agency record
Severity 2
Covia Solutions, Llc. - Guion Facility, Guion
NPDES wastewater discharge permit.
EPA FRS registry ID 110007348691 (U.S. EPA ECHO) Agency record
Severity 1.8
Unilin Flooring Nc, Llc - Melbourne Plant, Melbourne
NPDES wastewater discharge permit.
EPA FRS registry ID 110007349743 (U.S. EPA ECHO) Agency record
Severity 1.8
Silica Transport, Inc., Guion
NPDES wastewater discharge permit.
EPA FRS registry ID 110007409786 (U.S. EPA ECHO) Agency record
Severity 1.5
Oxford Recycling, Oxford
NPDES wastewater discharge permit.
EPA FRS registry ID 110028925616 (U.S. EPA ECHO) Agency record
Severity 1.5
White River Materials,Inc., Myron
NPDES wastewater discharge permit.
EPA FRS registry ID 110033163788 (U.S. EPA ECHO) Agency record
Severity 1.5
Edwards Brothers, Inc, Violet Hill
NPDES wastewater discharge permit.
EPA FRS registry ID 110035765268 (U.S. EPA ECHO) Agency record
Severity 1.5
Sentinel Industries, Inc., Calico Rock
NPDES wastewater discharge permit.
EPA FRS registry ID 110037257287 (U.S. EPA ECHO) Agency record
Severity 1.5
Twin Mountain, Band Mill
NPDES wastewater discharge permit.
EPA FRS registry ID 110039229581 (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.

Ar Dept Of Correction Izard Co-Chlorination At Well #1, Calico Rock
EPA FRS registry ID
110013019143
Water system
AR0000790
Health-based violations
2 all time, 0 in 5 years
All violations
16
Contaminants cited
Coliform (TCR)
Wastewater permit
Yes, significant noncompliance, 2 quarters in noncompliance
EPA detailed facility report

Discovery / public records

Records to request for Izard County

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