40%tests ≥ 4 pCi/L
164tests on record
2.6median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Garrard County

ResultShareEPA guidance
Below 2 pCi/L40%Below EPA's levels
2 to 4 pCi/L20%Consider fixing
4 pCi/L or more40%EPA recommends fixing

What the data shows

Where Garrard County sits among Kentucky's 120 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 Garrard County compares

Garrard County ranks 4 of 7 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Jessamine County56%Boyle County54%Rockcastle County43%Garrard County40%Madison County39%Mercer County38%Lincoln County36%Kentucky 44%
Data table
AreaTests ≥ 4 pCi/LTests
Jessamine County56%789
Boyle County54%492
Rockcastle County43%14
Garrard County40%164
Madison County39%604
Mercer County38%288
Lincoln County36%135
Kentucky (120 counties)44%28,793

Same source as Garrard County.

What it means for your home

About 1 in 3 results in Garrard 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: 164. 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