Dawson, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Dawson in?

Dawson is in Navarro County, EPA Zone 3.

Q: How much does radon mitigation cost in Dawson?

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

Navarro County

EPA Zone 3

Established in Navarro County in east-central Texas, Dawson sits on Cretaceous sediments and clay soils that typically produce lower radon levels compared to northern states. The area's warm climate and geological characteristics generally result in minimal radon accumulation, though testing data for zip code 76639 remains limited. Even in traditionally lower-risk regions, homeowners should consider radon testing to establish baseline readings for their specific properties.

Dawson, TX Radon Mitigation

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

Dawson, TX Radon Testing

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

Dawson Radon Facts

Key details about the radon risk profile for Dawson and the 76639 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Navarro County, TX

Zip Code

76639

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dawson and the 76639 zip code are located in Navarro 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 Dawson, TX

What EPA Radon Zone is Dawson in?

Dawson and the 76639 zip code are in Navarro 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 Dawson?

Radon mitigation in Dawson 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 Dawson?

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