Skip to content

Radon mitigation and testing in Dayton, Ohio

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

Dayton, OH at a glance

  • Businesses listed

    15

    Dayton
    15
    Springboro
    2

    By each business's listed address

  • Listed for testing

    13

    87% of listings

    Testing
    13
    Mitigation
    3

    A business can be listed for both

  • State license on file

    15

    100% of listings

    State license
    15
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    50.3%

    2.0 pts below OH

    Montgomery
    50.3%
    Ohio
    52.3%

    Montgomery, 46th of 79 in OH, 2008 to 2017

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Montgomery County, where Dayton is

Professionals in Dayton

15 professionals in Dayton, Ohio. Showing 1 to 1215.

On this page: 1 testing and mitigation, 2 mitigation, 912 testing

Testing and mitigation 1

Mitigation 2

Testing 912

Show 3 more on this page

Radon levels in Dayton

Read a result for Dayton

Starts at Montgomery County's median, 4.0 pCi/L

4.0pCi/L

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

EPA’s reading of 4.0 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. Montgomery County's median reported result, 2008 to 2017.

Dayton lies mostly in Montgomery County, where 50.3% of 2,922 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 2.0 points below Ohio pooled (52.3%), 46th of 79 Ohio counties with 30 or more tests.

Radon test figures for the counties Dayton lies in
CountyShare of DaytonTestsAt or above 4 pCi/LMedianOhio, pooledRank in the stateEPA zone
Montgomery County100%2,92250.3%4.0 pCi/L52.3%46 of 79Zone 1
Greene CountyUnder 0.1%2,60258.6%4.9 pCi/L52.3%32 of 79Zone 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 Montgomery County, one of the counties Dayton lies in, the nearest Ohio counties with a CDC figure for 2008 to 2017, laboratory run from 52.5% to 65.2% of tests at or above 4 pCi/L; the closest, Preble County, is 19 miles away at 62.7%.

The nearest Ohio counties to Montgomery County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Preble County19 mi21262.7%5.5 pCi/L
Miami County21 mi69065.2%6.1 pCi/L
Warren County24 mi2,51252.5%4.2 pCi/L
Butler County27 mi1,95354.3%4.4 pCi/L
Clark County29 mi1,44757.5%4.9 pCi/L
Darke County31 mi27063.7%5.6 pCi/L

Listings come from state licensing registries.

Run a radon business?Get Featured