0%tests ≥ 4 pCi/L
143tests on record
0.1median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Calcasieu Parish

ResultShareEPA guidance
Below 2 pCi/L99%Below EPA's levels
2 to 4 pCi/L1%Consider fixing
4 pCi/L or more0%EPA recommends fixing

What the data shows

Where Calcasieu Parish sits among Louisiana's 36 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 Calcasieu Parish compares

Calcasieu Parish 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
Calcasieu Parish0%Cameron Parish0%Orange County, Texas0%Louisiana 2%
Data table
AreaTests ≥ 4 pCi/LTests
Calcasieu Parish0%143
Cameron Parish0%1
Orange County, Texas0%11
Louisiana (36 counties)2%499

Same source as Calcasieu Parish. Other bordering counties: Beauregard Parish, Jefferson Davis Parish, Newton County, Texas.

What it means for your home

About 1 in 100 results in Calcasieu Parish 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: 143. 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