What EPA's radon map says about Beaver County

Beaver County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Nationally that's the 38th percentile for radon potential — Beaver County outranks 38% of every county EPA has rated.

Beaver County by the numbers

About 7,424 people live in Beaver County, Utah, spread over 2,582.912 square miles. Population density there runs about 3 people per square mile. Among counties sharing Beaver County's EPA zone, it outranks 14% of them by population. Geologically, Beaver County is grouped into EPA Region 8 alongside 290 other counties that share its rock and soil setting.

Zone vs. an actual test

Beaver County's predicted average falls between EPA's 4 pCi/L action level and the national indoor average of about 1.3 pCi/L (outdoor air runs roughly 0.4 pCi/L). A county-wide moderate average, like Beaver County's, can still hide a specific house well above or below it — testing is what actually answers the question.

Next steps for a home in Beaver County

Mitigation cost doesn't depend on Beaver 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 Utah's state radon program

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

More on how this number was built

Beaver County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.