Is Hood County, TX a radon risk area?

EPA places Hood 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. Hood County sits at the 24th percentile nationally for radon potential — above 24 of every 100 rated counties.

Where Hood County sits nationally

About 69,126 people live in Hood County, Texas, spread over 420.742 square miles. Population density there runs about 164 people per square mile. Rank 273 by population within its EPA zone puts Hood County at the 74th percentile among zone peers. Hood 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 Hood County

Hood 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 Hood 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 Hood County

Nothing about Hood County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Texas's state radon program

Hood County's test kit answers today; a Airthings radon monitor keeps answering for Hood 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

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