Is Beauregard Parish, LA a radon risk area?

EPA places Beauregard Parish in Zone 3 - Low Potential — a predicted county-wide average indoor radon level below 2 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Nationally that's the 19th percentile for radon potential — Beauregard Parish outranks 19% of every county EPA has rated.

Beauregard Parish by the numbers

About 36,695 people live in Beauregard Parish, Louisiana, spread over 1,157.478 square miles. That works out to roughly 32 people per square mile. Rank 429 by population within its EPA zone puts Beauregard Parish at the 58th percentile among zone peers. Beauregard Parish falls in EPA Radon Region 6, one of 503 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

A Zone 3 county like Beauregard Parish is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. Don't read Zone 3 as a pass for Beauregard Parish — EPA's guidance to test every home makes no exception for counties predicted low.

If Beauregard Parish tests above the action level

Nothing about Beauregard Parish's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Louisiana's state radon program

Beauregard Parish's test kit answers today; a Airthings radon monitor keeps answering for Beauregard Parish over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

More on how this number was built

Beauregard Parish's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. Whatever zone Beauregard Parish carries, the zone explainer covers what it does and doesn't tell you about any one house.