Covington County, MS radon potential

EPA's own radon map rates Covington County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Rank it against the rest of the country and Covington County lands in the 12th percentile for radon potential.

Covington County by the numbers

Covington County, Mississippi is home to about 18,015 people across 413.819 square miles. Averaged across its land area, Covington County runs about 44 people per square mile. Within its own EPA zone, Covington County is bigger by population than 36% of the counties that share it. Covington 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 Covington County

A Zone 3 county like Covington County 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 Covington County — EPA's guidance to test every home makes no exception for counties predicted low.

Testing and mitigation in Covington 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 Mississippi's state radon program

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

Where Covington County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Covington County's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.