What EPA's radon map says about Pitt County

EPA's own radon map rates Pitt County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Rank it against the rest of the country and Pitt County lands in the 28th percentile for radon potential.

Pitt County by the numbers

About 180,783 people live in Pitt County, North Carolina, spread over 652.366 square miles. That works out to roughly 277 people per square mile. Among counties sharing Pitt County's EPA zone, it outranks 86% of them by population. EPA's geology-based Region 4 groups Pitt County with 735 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Pitt County

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Pitt County's Zone 3 prediction is the low end of the scale. A Zone 3 rating means Pitt County's county-wide average is predicted low, but EPA is explicit that a meaningful share of homes in low-potential zones still test above the action level — a low zone is not a reason to skip testing.

Testing and mitigation in Pitt County

Mitigation cost doesn't depend on Pitt 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

Pitt County's test kit answers today; a Airthings radon monitor keeps answering for Pitt 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

The methodology guide shows exactly which EPA and Census sources feed Pitt County's numbers. Whatever zone Pitt County carries, the zone explainer covers what it does and doesn't tell you about any one house.