What EPA's radon map says about Amite County

EPA places Amite 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 that's the 9th percentile for radon potential — Amite County outranks 9% of every county EPA has rated.

How Amite County compares

About 12,451 people live in Amite County, Mississippi, spread over 730.1 square miles. That works out to roughly 17 people per square mile. Among counties sharing Amite County's EPA zone, it outranks 26% of them by population. Amite County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Amite County's Zone 3 prediction undercuts the roughly 1.3 pCi/L most US homes average, nowhere near EPA's 4 pCi/L threshold for recommending mitigation. A Zone 3 label describes Amite County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

Testing and mitigation in Amite County

Mitigation cost doesn't depend on Amite County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Mississippi's state radon program

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

More on how this number was built

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