Thrall, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Thrall in?

Thrall is in Williamson County, EPA Zone 3.

Q: How much does radon mitigation cost in Thrall?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Williamson County

EPA Zone 3

Small Williamson County community Thrall sits northeast of Austin over limestone formations and blackland prairie soils that can create moderate radon potential. Rural housing consists mainly of older farmsteads and newer country properties, most built with slab-on-grade foundations typical of central Texas construction. Given limited radon testing data available for zip code 76578, homeowners should consider professional testing to determine individual property risk levels.

Thrall, TX Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Thrall, TX Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Thrall Radon Facts

Key details about the radon risk profile for Thrall and the 76578 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Williamson County, TX

Zip Code

76578

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Thrall and the 76578 zip code are located in Williamson County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Thrall, TX

What EPA Radon Zone is Thrall in?

Thrall and the 76578 zip code are in Williamson County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Thrall?

Radon mitigation in Thrall typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Thrall?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Texas

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
San Antonio	6.57 pCi/L	7
Austin	6.14 pCi/L	7
Dallas	8.00 pCi/L	5
Abilene	4.50 pCi/L	2
Houston	3.50 pCi/L	2
Plano	6.00 pCi/L	1
Frisco	3.00 pCi/L	1
Nacogdoches	No submissions	0