Livingston County, MI: EPA's radon zone, explained

EPA's own radon map rates Livingston County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally that's the 62nd percentile for radon potential — Livingston County outranks 62% of every county EPA has rated.

How Livingston County compares

Livingston County, Michigan is home to about 196,976 people across 565.29 square miles. Averaged across its land area, Livingston County runs about 348 people per square mile. By population, Livingston County is the 124th largest of every county sharing its EPA zone — the 88th percentile by population within that zone. Geologically, Livingston County is grouped into EPA Region 5 alongside 523 other counties that share its rock and soil setting.

Zone vs. an actual test

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Livingston County's Zone 2 prediction lands in the gap between the two. Middle-of-the-pack doesn't mean risk-free for any one Livingston County address — a moderate county average still leaves individual homes to test either side of it.

Next steps for a home in Livingston County

For a Livingston County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Michigan's state radon program

For Livingston County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Livingston 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 Livingston County's figures come from

Livingston County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.