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Hyde County, North Carolina: environmental and disease records

Cancer mortality in Hyde County is 128.2 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 37 regulated facilities, sites and hazards inside the county, led by NPDES wastewater discharge permit (21), Public airport (4), Air permit holder (minor source) (3). 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: 35.5175, -76.2219.

How this county ranks in North Carolina

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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 Hyde County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Lung & bronchus	New cases	62.7	51.8	1.21x	40.7 to 96.4	2019-2023
All cancer	New cases	489.4	453.4	1.08x	416.4 to 573.8	2019-2023
All cancer	Deaths	128.2	143.2	0.9x	93.4 to 174.6	2020-2024

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 Hyde County
Measure	County	U.S. median	Difference	Unit
Premature death	8,577.9	9,842.6	-13%	years of life lost before age 75 per 100,000
Life expectancy	77.9	75.3	+3%	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	112.1	96.9	+16%	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.

Formaldehyde13.38 per million
Carbon Tetrachloride2.95 per million
Acetaldehyde0.96 per million
Benzene0.54 per million

EPA Air Quality Index 2025

Monitored on 97 days: 94 good, 0 unhealthy for sensitive groups or worse. Median AQI 24, peak 59.

Regulated facilities, sites and hazards by type

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

NPDES wastewater discharge permit21
Public airport4
Air permit holder (minor source)3
Gas station (mapped facility)3
Auto repair or body shop (mapped facility)2
Major air pollution source1
EPA air quality monitor1
Heliport1
Oil-fired 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.

Ocracoke Hybrid, Ocracoke
Oil-fired power plant.
Record ID 6377 (U.S. Energy Information Administration)
Severity 4
Ncemc - Ocracoke, Ocracoke
Major air pollution source.
EPA FRS registry ID 110064182487 (U.S. EPA ECHO) Agency record
Severity 3.5
Ponzer Wtp, Pantego
NPDES wastewater discharge permit.
EPA FRS registry ID 110006707876 (U.S. EPA ECHO) Agency record
Severity 3.3
Engelhard Wtp, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110033174491 (U.S. EPA ECHO) Agency record
Severity 3.3
Fairfield Wtp, Fairfield
NPDES wastewater discharge permit.
EPA FRS registry ID 110006674278 (U.S. EPA ECHO) Agency record
Severity 3
Belhaven Wtp, Belhaven
NPDES wastewater discharge permit.
EPA FRS registry ID 110009842028 (U.S. EPA ECHO) Agency record
Severity 2.8
Carolinas Best, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110042324785 (U.S. EPA ECHO) Agency record
Severity 2.5
Hyde County, Engelhard
Public airport. O.
Record ID 7W6 (FAA / U.S. DOT)
Severity 2
Ocracoke Island, Ocracoke
Public airport. O.
Record ID W95 (FAA / U.S. DOT)
Severity 2
Captain Charlie'S / Engelhard, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110006673402 (U.S. EPA ECHO) Agency record
Severity 1.5
Ocracoke Seafood Company, Ocracoke
NPDES wastewater discharge permit.
EPA FRS registry ID 110022563965 (U.S. EPA ECHO) Agency record
Severity 1.5
Newman Seafood, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110022564116 (U.S. EPA ECHO) Agency record
Severity 1.5
Engelhard Seafood, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110022564161 (U.S. EPA ECHO) Agency record
Severity 1.5
Williams Seafood, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110022564571 (U.S. EPA ECHO) Agency record
Severity 1.5
Hyde County Airport, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110045405726 (U.S. EPA ECHO) Agency record
Severity 1.5
Sawyer'S Kornegay Pit, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110055103052 (U.S. EPA ECHO) Agency record
Severity 1.5
Engelhard Mattamuskeet Seafood, Inc., Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110069212408 (U.S. EPA ECHO) Agency record
Severity 1.5
Hobo Seafood, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110070155258 (U.S. EPA ECHO) Agency record
Severity 1.5
Sawyers Quarter Road Mine, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110070693578 (U.S. EPA ECHO) Agency record
Severity 1.5
Bluegreen Water Technologies, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110071727205 (U.S. EPA ECHO) Agency record
Severity 1.5
Perdue Agribusiness, Llc, East Carolina Oilseed Processing Plant, Pantego
NPDES wastewater discharge permit.
EPA FRS registry ID 110071848121 (U.S. EPA ECHO) Agency record
Severity 1.5
Runway 11-29 Extension & Turnarounds, Runway Rehabilitation & Papi Replacem, Engelhard
NPDES wastewater discharge permit.
EPA FRS registry ID 110071911562 (U.S. EPA ECHO) Agency record
Severity 1.5
Perdue Ecop Upgrades Site Design, Currituck
NPDES wastewater discharge permit.
EPA FRS registry ID 110071917444 (U.S. EPA ECHO) Agency record
Severity 1.5
Operation Resolute- Refuge Site, Belhaven
NPDES wastewater discharge permit.
EPA FRS registry ID 110071925698 (U.S. EPA ECHO) Agency record
Severity 1.5
Hobo Seafood, Swanquarter
NPDES wastewater discharge permit.
EPA FRS registry ID 110072085065 (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 Hyde County

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