Cleburne County, AL Radon Zone Data

Cleburne County, AL radon potential

Cleburne County is mapped as Zone 1 - Highest Potential by EPA — meaning the county-wide average indoor level is predicted above 4 pCi/L. Nationally, Cleburne County ranks higher in radon potential than 79% of rated counties (the 79th percentile).

Cleburne County by the numbers

Cleburne County, Alabama is home to about 15,905 people across 560.128 square miles. Averaged across its land area, Cleburne County runs about 28 people per square mile. Within its own EPA zone, Cleburne County is bigger by population than 40% of the counties that share it. Cleburne County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Cleburne County

Outdoor air nationally averages about 0.4 pCi/L, indoor air about 1.3 pCi/L — Cleburne County's Zone 1 prediction clears both of those and EPA's fix-it threshold besides. Being in Zone 1 raises the odds Cleburne County homes test above the action level, but it does not mean any specific house does — EPA recommends every home be tested, in every zone, because the only way to know is to test.

Testing and mitigation in Cleburne County

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 Alabama's state radon program

For Cleburne County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Cleburne County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

Where Cleburne County's figures come from

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