52%tests ≥ 4 pCi/L
103tests on record
4.2median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Clinton County

ResultShareEPA guidance
Below 2 pCi/L26%Below EPA's levels
2 to 4 pCi/L21%Consider fixing
4 pCi/L or more52%EPA recommends fixing

What the data shows

Where Clinton County sits among Ohio's 88 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 Clinton County compares

Clinton County ranks 5 of 7 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Greene County59%Fayette County58%Highland County57%Warren County53%Clinton County52%Clermont County50%Brown County47%Ohio 52%
Data table
AreaTests ≥ 4 pCi/LTests
Greene County59%2,602
Fayette County58%12
Highland County57%67
Warren County53%2,512
Clinton County52%103
Clermont County50%1,363
Brown County47%70
Ohio (88 counties)52%98,840

Same source as Clinton County.

What it means for your home

More than half of all results in Clinton 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: 103. 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