
Short-term kit![]()
RA100 short-term liquid scintillation radon test kit
- Lab fee extra
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
EPA puts Hyde County in Zone 3, its lowest radon zone, and only 6 radon tests from it are on file with CDC (2021). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Highest bordering
26.8%
Dare County
1 of 4 neighbours have 30+ tests, 2008 to 2017
Nearest county
26.8%
Dare County, 31 miles
Share at 4+ pCi/L, 41 tests, 2008 to 2017
Ground above low
None
34.2 pts below NC
Share of land USGS rates moderate or high potential
Tests reported
6
Too few for a share
2021
EPA radon zone
Zone 3
Lower potential
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Hyde County
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 4.0 pCi/L
At or above 4 pCi/L
This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.
The data
Hyde County, At a glance
Predicted: EPA radon zone
USGS geologic potential: Low across 96% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC holds 6 reported tests for Hyde County in 2021, with a median of 0.1 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Hyde County beside the counties around it is how this page reads it.
Only 6 tests were reported to CDC for Hyde County over 2021, and tests are often run on homes being sold or already suspected of a problem: so few describe neither the county nor this house.
Measured: CDC tracking data. Figure above: 2021. Measured data period: 2007 to 2021 (every CDC figure on file).
Hyde County, Compared
CDC's largest figure for Hyde County rests on 6 tests in 2021, 0 of them at or above 4 pCi/L, so each test moves its share by 16.7 points and no rank or comparison is drawn from it. Results reached as high as 0.1 pCi/L, with a middle value of 0.1 pCi/L.
Dare County, the one bordering county with a figure over the 2008 to 2017 laboratory totals, reported 26.8% of its tests at or above 4 pCi/L. Farther out, Carteret County (53 miles away) at 0.0%, Craven County (55 miles away) at 0.0% and Pitt County (63 miles away) at 1.0% have figures too. Pooled across 99 North Carolina counties, 22.6% of reported tests reached that level; across every county in the country with a figure, 35.7%.
Statewide for the same period, Transylvania County reported the highest share (47.8%) and Nash County the lowest (0.0%). EPA's 1993 map puts Hyde County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 96% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Hyde County, Geology
USGS's geologic map puts all of Hyde County's mapped land in one class: low radon potential. 96.1% of it lies in the area the map calls Outer Coastal Plain, to which USGS gives a radon index of 7, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Outer Coastal Plain | Unconsolidated sand. | Low | 7 | 96.1% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Across North Carolina 1.3% of the land is rated high; none of Hyde County's is. None of the 4 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Hyde County, Local resources
The North Carolina Radon Program is presently developing a Radon Proficiency Program as directed by Session Law 2023-91 House Bill 782 .
What it means
Hyde County, Questions
In 2021, 0.0% of the radon tests reported to CDC for Hyde County, North Carolina were at or above 4 pCi/L, and the median reported pre-mitigation result was 0.1 pCi/L. Dare County, the one bordering county with a figure over the 2008 to 2017 laboratory totals, reported 26.8% of its tests at or above 4 pCi/L.
Hyde County borders 4 counties: Tyrrell County, Dare County, Washington County and Beaufort County.
Products
Hyde County, Products
No CDC figure names Hyde County; the nearest county with one, Dare County (31 miles away), reported 26.8% of its tests at or above 4 pCi/L over the 2008 to 2017 laboratory totals, the only reading nearby until a test of this home. Zone 3 is the lowest label, yet homes at or above 4 pCi/L occur in every zone: a short-term kit (2 to 90 days) is the quick first check in Hyde County.
Test kits and monitors: 1 of 3
Explore
Hyde County, Bordering counties
26.8%at or above 4 pCi/L
Median 0.1 pCi/L · 41 tests
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 1 test
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 1 test
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 23 tests
Hyde County, Residents
The Census Bureau estimates 4,554 residents in Hyde County for July 1, 2025, 46 more than in 2020 (+1.0%). Spread over its land, that is 7.4 people to the square mile. Testing is reported here more often than across the state: CDC's 6 reported tests for 2021 come to 1.3 for every 1,000 residents (2025 estimate), against 0.6 for North Carolina.
Census lists no incorporated place in Hyde County: every home in it reads the county's figures.
Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).
Hyde County, Homes
Hyde County is a place of houses on their own lots: 76% of its 3,168 homes are detached single-family houses, against 65% across North Carolina. The homes are older than North Carolina's as a whole: half were built before 1978 (1990 for North Carolina), and 27% date from before 1960. 72% of occupied homes are lived in by their owner (North Carolina: 66%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Hyde County | North Carolina |
|---|---|---|
| Housing units | 3,168 | 4,815,195 |
| Detached houses | 76% | 65% |
| In buildings of 5 or more | 1% | 14% |
| Mobile homes | 17% | 11% |
| Built before 1960 | 27% | 14% |
| Built since 2000 | 23% | 33% |
| Middle year built | 1978 | 1990 |
| Owner-occupied | 72% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.