Yakutat City and Borough, AK: EPA's radon zone, explained

EPA's own radon map rates Yakutat City and Borough zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. That puts Yakutat City and Borough in the 0th percentile nationally for radon potential — higher than 0% of the counties EPA has rated.

How Yakutat City and Borough compares

Yakutat City and Borough, Alaska is home to about 690 people across 7,628.411 square miles. That works out to roughly 0 people per square mile. By population, Yakutat City and Borough is the 1019th largest of every county sharing its EPA zone — the 1st percentile by population within that zone. Yakutat City and Borough falls in EPA Radon Region 10, one of 142 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Yakutat City and Borough

A Zone 3 county like Yakutat City and Borough is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. A Zone 3 rating means Yakutat City and Borough'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.

Next steps for a home in Yakutat City and Borough

For a Yakutat City and Borough homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Alaska's state radon program

For Yakutat City and Borough, an ongoing number beats a one-time test - a Airthings radon monitor tracks Yakutat City and Borough's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

Where Yakutat City and Borough's figures come from

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