3%tests ≥ 4 pCi/L
105tests on record
0.2median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Fort Bend County

ResultShareEPA guidance
Below 2 pCi/L97%Below EPA's levels
2 to 4 pCi/L0%Consider fixing
4 pCi/L or more3%EPA recommends fixing

What the data shows

Where Fort Bend County sits among Texas's 138 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%100%

How Fort Bend County compares

Fort Bend County ranks 3 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Brazoria County6%Harris County3%Fort Bend County3%Austin County0%Waller County0%Wharton County0%Texas 10%
Data table
AreaTests ≥ 4 pCi/LTests
Brazoria County6%32
Harris County3%733
Fort Bend County3%105
Austin County0%2
Waller County0%7
Wharton County0%9
Texas (138 counties)10%4,615

Same source as Fort Bend County.

What it means for your home

About 1 in 35 results in Fort Bend 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.

Prefer a digital monitor? See Airthings radon monitors, or enter code radonbycounty-10OFF at their discount store for 10% off.

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: 105. 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