What EPA's radon map says about Prince Edward County

EPA places Prince Edward County in Zone 2 - Moderate Potential — a predicted county-wide average indoor radon level between 2 and 4 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. That puts Prince Edward County in the 47th percentile nationally for radon potential — higher than 47% of the counties EPA has rated.

How Prince Edward County compares

About 22,276 people live in Prince Edward County, Virginia, spread over 349.946 square miles. Averaged across its land area, Prince Edward County runs about 64 people per square mile. Among counties sharing Prince Edward County's EPA zone, it outranks 43% of them by population. EPA's geology-based Region 3 groups Prince Edward County with 244 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

EPA's Zone 2 rating for Prince Edward County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Prince Edward County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

Testing and mitigation in Prince Edward County

Mitigation cost doesn't depend on Prince Edward 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 Virginia's state radon program

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

More on how this number was built

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