18%tests ≥ 4 pCi/L
193tests on record
1.4median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Franklin County

ResultShareEPA guidance
Below 2 pCi/L59%Below EPA's levels
2 to 4 pCi/L23%Consider fixing
4 pCi/L or more18%EPA recommends fixing

What the data shows

Where Franklin 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 Franklin County compares

Franklin County ranks 2 of 5 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Colbert County36%Franklin County18%Winston County17%Lawrence County16%Marion County8%Alabama 22%
Data table
AreaTests ≥ 4 pCi/LTests
Colbert County36%871
Franklin County18%193
Winston County17%12
Lawrence County16%154
Marion County8%25
Alabama (65 counties)22%12,569

Same source as Franklin County. Other bordering counties: Itawamba County, Mississippi, Tishomingo County, Mississippi.

What it means for your home

About 1 in 6 results in Franklin 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: 193. 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