6%tests ≥ 4 pCi/L
36tests on record
1.0median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Wasco County

ResultShareEPA guidance
Below 2 pCi/L75%Below EPA's levels
2 to 4 pCi/L19%Consider fixing
4 pCi/L or more6%EPA recommends fixing

What the data shows

Where Wasco County sits among Oregon's 34 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 Wasco County compares

Wasco County ranks 4 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Hood River County31%Marion County26%Clackamas County18%Wasco County6%Jefferson County0%Wheeler County0%Oregon 25%
Data table
AreaTests ≥ 4 pCi/LTests
Hood River County31%133
Marion County26%1,394
Clackamas County18%3,802
Wasco County6%36
Jefferson County0%8
Wheeler County0%2
Oregon (34 counties)25%23,951

Same source as Wasco County. Other bordering counties: Gilliam County, Klickitat County, Washington, Sherman County.

What it means for your home

About 1 in 18 results in Wasco 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: 36. 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