49%tests ≥ 4 pCi/L
90tests on record
3.8median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Perry County

ResultShareEPA guidance
Below 2 pCi/L14%Below EPA's levels
2 to 4 pCi/L37%Consider fixing
4 pCi/L or more49%EPA recommends fixing

What the data shows

Where Perry 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 Perry County compares

Perry 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
Fairfield County77%Licking County71%Muskingum County56%Hocking County53%Perry County49%Athens County38%Morgan County30%Ohio 52%
Data table
AreaTests ≥ 4 pCi/LTests
Fairfield County77%1,175
Licking County71%4,694
Muskingum County56%391
Hocking County53%60
Perry County49%90
Athens County38%318
Morgan County30%10
Ohio (88 counties)52%98,840

Same source as Perry County.

What it means for your home

About 1 in 2 results in Perry 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: 90. 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