44%tests ≥ 4 pCi/L
226tests on record
3.5median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Morgan County

ResultShareEPA guidance
Below 2 pCi/L27%Below EPA's levels
2 to 4 pCi/L29%Consider fixing
4 pCi/L or more44%EPA recommends fixing

What the data shows

Where Morgan County sits among Indiana's 92 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%20%40%60%80%

How Morgan County compares

Morgan County has the highest share of high results among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Morgan County44%Hendricks County42%Marion County40%Johnson County39%Owen County39%Putnam County34%Monroe County34%Brown County26%Indiana 39%
Data table
AreaTests ≥ 4 pCi/LTests
Morgan County44%226
Hendricks County42%1,170
Marion County40%3,668
Johnson County39%556
Owen County39%110
Putnam County34%119
Monroe County34%2,375
Brown County26%112
Indiana (92 counties)39%43,148

Same source as Morgan County.

What it means for your home

About 1 in 2 results in Morgan 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: 226. 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