28%tests ≥ 4 pCi/L
50tests on record
1.7median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Powhatan County

ResultShareEPA guidance
Below 2 pCi/L56%Below EPA's levels
2 to 4 pCi/L16%Consider fixing
4 pCi/L or more28%EPA recommends fixing

What the data shows

Where Powhatan County sits among Virginia's 131 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 Powhatan County compares

Powhatan County ranks 3 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Goochland County31%Chesterfield County30%Powhatan County28%Amelia County27%Henrico County27%Cumberland County17%Virginia 30%
Data table
AreaTests ≥ 4 pCi/LTests
Goochland County31%114
Chesterfield County30%733
Powhatan County28%50
Amelia County27%11
Henrico County27%607
Cumberland County17%12
Virginia (131 counties)30%53,199

Same source as Powhatan County.

What it means for your home

About 1 in 4 results in Powhatan 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: 50. 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