55%tests ≥ 4 pCi/L
108tests on record
4.7median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Sevier County

ResultShareEPA guidance
Below 2 pCi/L22%Below EPA's levels
2 to 4 pCi/L23%Consider fixing
4 pCi/L or more55%EPA recommends fixing

What the data shows

Where Sevier County sits among Utah's 28 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%100%

How Sevier County compares

Sevier County ranks 3 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Beaver County100%Sanpete County61%Sevier County55%Wayne County40%Millard County11%Emery County0%Utah 42%
Data table
AreaTests ≥ 4 pCi/LTests
Beaver County100%4
Sanpete County61%80
Sevier County55%108
Wayne County40%5
Millard County11%9
Emery County0%1
Utah (28 counties)42%28,342

Same source as Sevier County. Other bordering counties: Piute County.

What it means for your home

More than half of all results in Sevier 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: 108. 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