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RADON411

Radon testing in Norwalk, Iowa

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

Norwalk, IA at a glance

  • Businesses listed

    1

    Norwalk
    1
    Des Moines
    8

    By each business's listed address

  • Listed for testing

    1

    100% of listings

    Testing
    1
    Mitigation
    0

    A business can be listed for both

  • State license on file

    1

    100% of listings

    State license
    1
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    64.4%

    5.9 pts above IA

    Polk
    64.4%
    Iowa
    58.5%

    Polk, 51st 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

    Polk County, where Norwalk is

Professionals in Norwalk

Iowa licensing and every city

1 professional in Norwalk, Iowa.

Radon levels in Norwalk

Read a result for Norwalk

Starts at Polk County's median, 5.6 pCi/L

5.6pCi/L

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

EPA’s reading of 5.6 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. Polk County's median reported result, 2008 to 2017.

Interpret this readingWhat a fix costs

Norwalk lies partly in Polk County, where 64.4% of 10,945 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 5.9 points above Iowa pooled (58.5%), 51st of 99 Iowa counties with 30 or more tests.

Radon test figures for the counties Norwalk lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Polk County10,94564.4%5.6 pCi/L58.5%51 of 99Zone 1
Warren County1,51366.0%6.3 pCi/L58.5%48 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 Polk County, one of the counties Norwalk lies in, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 58.5% to 73.3% of tests at or above 4 pCi/L; the closest, Dallas County, is 24 miles away at 58.5%.

The nearest Iowa counties to Polk County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Dallas County24 mi2,35258.5%4.9 pCi/L
Story County25 mi2,56859.9%5.0 pCi/L
Jasper County27 mi74673.3%8.2 pCi/L
Boone County30 mi1,13468.7%6.0 pCi/L
Madison County34 mi31862.3%6.0 pCi/L
Marion County35 mi1,15167.3%6.0 pCi/L

Cities near Norwalk

Every city in Iowa with listed radon professionals

Listings come from state licensing registries.

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