What EPA's radon map says about Lubbock County

Lubbock County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Rank it against the rest of the country and Lubbock County lands in the 64th percentile for radon potential.

How Lubbock County compares

About 327,394 people live in Lubbock County, Texas, spread over 895.644 square miles. Averaged across its land area, Lubbock County runs about 366 people per square mile. Among counties sharing Lubbock County's EPA zone, it outranks 93% of them by population. Lubbock County falls in EPA Radon Region 6, one of 503 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Lubbock County

Lubbock County's Zone 2 prediction clears the 1.3 pCi/L national indoor average without reaching EPA's own 4 pCi/L point for recommending a fix. Middle-of-the-pack doesn't mean risk-free for any one Lubbock County address — a moderate county average still leaves individual homes to test either side of it.

If Lubbock County tests above the action level

Mitigation cost doesn't depend on Lubbock 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 Texas's state radon program

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

More on how this number was built

Lubbock 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.