What EPA's radon map says about Pasquotank County

EPA places Pasquotank 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. Rank it against the rest of the country and Pasquotank County lands in the 20th percentile for radon potential.

Pasquotank County by the numbers

About 41,418 people live in Pasquotank County, North Carolina, spread over 226.878 square miles. Population density there runs about 183 people per square mile. Among counties sharing Pasquotank County's EPA zone, it outranks 62% of them by population. Pasquotank County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Pasquotank County's Zone 3 prediction is the low end of the scale. Even at Zone 3, Pasquotank County homes are not guaranteed a low reading — zone is a county-wide average, and EPA recommends testing every home regardless of zone.

Testing and mitigation in Pasquotank County

Mitigation cost doesn't depend on Pasquotank County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find North Carolina's state radon program

Pasquotank County's test kit answers today; a Airthings radon monitor keeps answering for Pasquotank County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

More on how this number was built

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