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Radon mitigation and testing in Sioux City, Iowa

Testers and mitigation companies with an address in Sioux City, with the licenses on file for each.

Sioux City, IA at a glance

  • Businesses listed

    4

    Sioux City
    4
    Whiting
    1

    By each business's listed address

  • Listed for mitigation

    3

    75% of listings

    Mitigation
    3
    Testing
    2

    A business can be listed for both

  • State license on file

    4

    100% of listings

    State license
    4
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    69.2%

    10.7 pts above IA

    Woodbury
    69.2%
    Iowa
    58.5%

    Woodbury, 36th of 99 in IA, 2008 to 2017

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Woodbury County, where Sioux City is

Professionals in Sioux City

4 professionals in Sioux City, Iowa.

On this page: 1 testing and mitigation, 2 mitigation, 1 testing

Radon levels in Sioux City

Read a result for Sioux City

Starts at Woodbury County's median, 6.1 pCi/L

6.1pCi/L

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

EPA’s reading of 6.1 pCi/L

At or above 4 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 at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. Woodbury County's median reported result, 2008 to 2017.

Sioux City lies mostly in Woodbury County, where 69.2% of 3,541 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 10.7 points above Iowa pooled (58.5%), 36th of 99 Iowa counties with 30 or more tests.

Radon test figures for the counties Sioux City lies in
CountyShare of Sioux CityTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Woodbury County99.9%3,54169.2%6.1 pCi/L58.5%36 of 99Zone 1
Plymouth County0.1%1,40582.3%8.6 pCi/L58.5%2 of 99Zone 1

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around Woodbury County, one of the counties Sioux City lies in, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 71.7% to 84.2% of tests at or above 4 pCi/L; the closest, Monona County, is 24 miles away at 74.6%.

The nearest Iowa counties to Woodbury County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Monona County24 mi60374.6%7.0 pCi/L
Ida County27 mi39971.7%7.4 pCi/L
Cherokee County32 mi79574.5%7.6 pCi/L
Crawford County42 mi37374.8%7.0 pCi/L
Sac County48 mi49176.6%7.0 pCi/L
Sioux County48 mi1,98284.2%10.7 pCi/L

Listings come from state licensing registries.

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