67%tests ≥ 4 pCi/L
83tests on record
5.6median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Barnes County

ResultShareEPA guidance
Below 2 pCi/L17%Below EPA's levels
2 to 4 pCi/L16%Consider fixing
4 pCi/L or more67%EPA recommends fixing

What the data shows

Where Barnes County sits among North Dakota's 53 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 Barnes County compares

Barnes County ranks 3 of 7 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Stutsman County74%LaMoure County70%Barnes County67%Ransom County62%Cass County58%Griggs County55%Steele County0%North Dakota 59%
Data table
AreaTests ≥ 4 pCi/LTests
Stutsman County74%351
LaMoure County70%44
Barnes County67%83
Ransom County62%151
Cass County58%862
Griggs County55%11
Steele County0%1
North Dakota (53 counties)59%6,607

Same source as Barnes County.

What it means for your home

More than half of all results in Barnes 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: 83. 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