41%tests ≥ 4 pCi/L
190tests on record
3.4median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Carroll County

ResultShareEPA guidance
Below 2 pCi/L30%Below EPA's levels
2 to 4 pCi/L29%Consider fixing
4 pCi/L or more41%EPA recommends fixing

What the data shows

Where Carroll County sits among Georgia's 129 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%

How Carroll County compares

Carroll County ranks 2 of 9 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Douglas County47%Carroll County41%Randolph County, Alabama40%Haralson County32%Heard County26%Paulding County26%Fulton County21%Coweta County19%Cleburne County, Alabama19%Georgia 25%
Data table

Same source as Carroll County.

What it means for your home

About 1 in 2 results in Carroll 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: 190. 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