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RADON411

Radon testing in Wilsonville, Oregon

Radon testers with an address in Wilsonville, with the licenses on file for each.

Wilsonville, OR at a glance

  • Businesses listed

    1

    Wilsonville
    1
    Lake Oswego
    1

    By each business's listed address

  • Listed for testing

    1

    100% of listings

    Testing
    1
    Mitigation
    0

    A business can be listed for both

  • Share at 4+ pCi/L

    15.9%

    3.0 pts below OR

    Clackamas
    15.9%
    Oregon
    18.9%

    Clackamas, 7th of 14 in OR, 2023

  • EPA radon zone

    Zone 3

    Low potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    Clackamas County, where Wilsonville is

Professionals in Wilsonville

Oregon licensing and every city

1 professional in Wilsonville, Oregon.

Radon levels in Wilsonville

Read a result for Wilsonville

Starts at Clackamas County's median, 1.6 pCi/L

1.6pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 1.6 pCi/L

Below 2 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is below 2 pCi/L, the level at which EPA says a fix should be considered. Clackamas County's median reported result, 2023.

Interpret this reading

Wilsonville lies partly in Clackamas County, where 15.9% of 321 radon tests reported to CDC (2023) were at or above 4 pCi/L, 3.0 points below Oregon pooled (18.9%), 7th of 14 Oregon counties with 30 or more tests.

Radon test figures for the counties Wilsonville lies in
CountyTestsAt or above 4 pCi/LMedianOregon, pooledRank in the stateEPA zone
Clackamas County32115.9%1.6 pCi/L18.9%7 of 14Zone 3
Washington County39611.4%1.3 pCi/L18.9%10 of 14Zone 2

Shares of tests people chose to run and report, by county (2023); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around Clackamas County, one of the counties Wilsonville lies in, the nearest Oregon counties with a CDC figure for 2023 run from 4.9% to 39.0% of tests at or above 4 pCi/L; the closest, Multnomah County, is 27 miles away at 27.8%.

The nearest Oregon counties to Clackamas County with 30 or more tests, 2023
CountyDistanceTestsAt or above 4 pCi/LMedian
Multnomah County27 mi79227.8%2.0 pCi/L
Marion County27 mi19416.0%1.4 pCi/L
Hood River County36 mi4139.0%2.2 pCi/L
Linn County51 mi414.9%0.8 pCi/L
Yamhill County53 mi3321.2%1.6 pCi/L
Polk County62 mi7910.1%1.4 pCi/L

Cities near Wilsonville

Every city in Oregon with listed radon professionals

Listings come from state licensing registries.

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