East Carroll Parish, LA radon potential

EPA's own radon map rates East Carroll Parish zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Nationally that's the 4th percentile for radon potential — East Carroll Parish outranks 4% of every county EPA has rated.

East Carroll Parish by the numbers

East Carroll Parish, Louisiana is home to about 6,892 people across 421.231 square miles. That works out to roughly 16 people per square mile. Within its own EPA zone, East Carroll Parish is bigger by population than 12% of the counties that share it. East Carroll Parish falls in EPA Radon Region 6, one of 503 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in East Carroll Parish

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, East Carroll Parish's Zone 3 prediction is the low end of the scale. A Zone 3 label describes East Carroll Parish's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

If East Carroll Parish tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Louisiana's state radon program

For East Carroll Parish, an ongoing number beats a one-time test - a Airthings radon monitor tracks East Carroll Parish's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

Where East Carroll Parish's figures come from

The methodology guide shows exactly which EPA and Census sources feed East Carroll Parish's numbers. Whatever zone East Carroll Parish carries, the zone explainer covers what it does and doesn't tell you about any one house.