Quitman County, MS radon potential

EPA places Quitman County 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, Quitman County ranks higher in radon potential than 3% of rated counties (the 3rd percentile).

How Quitman County compares

Quitman County, Mississippi is home to about 5,542 people across 405.012 square miles. Population density there runs about 14 people per square mile. Within its own EPA zone, Quitman County is bigger by population than 10% of the counties that share it. EPA's geology-based Region 4 groups Quitman County with 735 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

A Zone 3 county like Quitman County is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. A Zone 3 label describes Quitman County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

Next steps for a home in Quitman 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 Quitman County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Quitman County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

Where Quitman County's figures come from

Quitman County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.