Hyde County, NC radon potential

EPA places Hyde County in Zone 3 - Low Potential — a predicted county-wide average indoor radon level below 2 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. That puts Hyde County in the 2nd percentile nationally for radon potential — higher than 2% of the counties EPA has rated.

How Hyde County compares

Hyde County, North Carolina is home to about 4,583 people across 612.342 square miles. That works out to roughly 7 people per square mile. Within its own EPA zone, Hyde County is bigger by population than 8% of the counties that share it. Hyde County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

A Zone 3 county like Hyde County is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. Don't read Zone 3 as a pass for Hyde County — EPA's guidance to test every home makes no exception for counties predicted low.

If Hyde County tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find North Carolina's state radon program

For Hyde County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Hyde County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

Where Hyde County's figures come from

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. Whatever zone Hyde County carries, the zone explainer covers what it does and doesn't tell you about any one house.