20%tests ≥ 4 pCi/L
56tests on record
1.4median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Etowah County

ResultShareEPA guidance
Below 2 pCi/L61%Below EPA's levels
2 to 4 pCi/L20%Consider fixing
4 pCi/L or more20%EPA recommends fixing

What the data shows

Where Etowah County sits among Alabama's 65 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 Etowah County compares

Etowah County has the highest 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
Etowah County20%Calhoun County19%Marshall County15%St. Clair County14%Blount County14%DeKalb County13%Cherokee County10%Alabama 22%
Data table
AreaTests ≥ 4 pCi/LTests
Etowah County20%56
Calhoun County19%238
Marshall County15%199
St. Clair County14%93
Blount County14%44
DeKalb County13%68
Cherokee County10%10
Alabama (65 counties)22%12,569

Same source as Etowah County.

What it means for your home

About 1 in 5 results in Etowah 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: 56. 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