43%tests ≥ 4 pCi/L
392tests on record
3.3median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Oxford County

ResultShareEPA guidance
Below 2 pCi/L32%Below EPA's levels
2 to 4 pCi/L24%Consider fixing
4 pCi/L or more43%EPA recommends fixing

What the data shows

Where Oxford County sits among Maine's 16 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%10%20%30%40%50%

How Oxford County compares

Oxford 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
York County48%Carroll County, New Hamps…48%Cumberland County44%Oxford County43%Androscoggin County37%Coos County, New Hampshire34%Franklin County29%Maine 38%
Data table
AreaTests ≥ 4 pCi/LTests
York County48%1,389
Carroll County, New Hampshire48%425
Cumberland County44%4,076
Oxford County43%392
Androscoggin County37%1,497
Coos County, New Hampshire34%362
Franklin County29%141
Maine (16 counties)38%11,825

Same source as Oxford County.

What it means for your home

About 1 in 2 results in Oxford 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: 392. 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