2%tests ≥ 4 pCi/L
457tests on record
0.7median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Volusia County

ResultShareEPA guidance
Below 2 pCi/L89%Below EPA's levels
2 to 4 pCi/L9%Consider fixing
4 pCi/L or more2%EPA recommends fixing

What the data shows

Where Volusia County sits among Florida's 62 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 Volusia County compares

Volusia County ranks 7 of 8 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Marion County43%Flagler County5%Seminole County4%Orange County4%Lake County3%Brevard County3%Volusia County2%Putnam County1%Florida 23%
Data table
AreaTests ≥ 4 pCi/LTests
Marion County43%903
Flagler County5%21
Seminole County4%430
Orange County4%227
Lake County3%96
Brevard County3%839
Volusia County2%457
Putnam County1%95
Florida (62 counties)23%53,794

Same source as Volusia County.

What it means for your home

About 1 in 57 results in Volusia 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: 457. 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