Is Chesapeake city, VA a radon risk area?

EPA's own radon map rates Chesapeake city zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Rank it against the rest of the country and Chesapeake city lands in the 30th percentile for radon potential.

Chesapeake city by the numbers

About 254,997 people live in Chesapeake city, Virginia, spread over 338.456 square miles. Population density there runs about 753 people per square mile. Rank 101 by population within its EPA zone puts Chesapeake city at the 90th percentile among zone peers.

What this actually means for a house in Chesapeake city

A Zone 3 county like Chesapeake city is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like Chesapeake city testing above the action level often enough that skipping a test isn't the safe assumption.

If Chesapeake city tests above the action level

Nothing about Chesapeake city's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Virginia's state radon program

Chesapeake city's test kit answers today; a Airthings radon monitor keeps answering for Chesapeake city 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 Chesapeake city's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.