27%tests ≥ 4 pCi/L
41tests on record
2.5median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Power County

ResultShareEPA guidance
Below 2 pCi/L32%Below EPA's levels
2 to 4 pCi/L41%Consider fixing
4 pCi/L or more27%EPA recommends fixing

What the data shows

Where Power County sits among Idaho's 44 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017
0%20%40%60%80%

How Power County compares

Power County has the lowest share of high results among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Oneida County74%Cassia County60%Blaine County58%Bingham County52%Bannock County42%Power County27%Idaho 42%
Data table
AreaTests ≥ 4 pCi/LTests
Oneida County74%27
Cassia County60%121
Blaine County58%352
Bingham County52%446
Bannock County42%732
Power County27%41
Idaho (44 counties)42%12,961

Same source as Power County.

What it means for your home

About 1 in 4 results in Power County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

About this data

Source: Radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 41. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us