Rainbow, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Rainbow in?

Rainbow is in Somervell County, EPA Zone 3.

Q: How much does radon mitigation cost in Rainbow?

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

Somervell County

EPA Zone 3

Located in Somervell County along the Brazos River valley, Rainbow sits atop limestone and sandstone formations characteristic of the Texas Hill Country region. Testing data for zip code 76077 is currently limited, making professional radon assessment important for area homeowners. The underlying geology can create pockets of elevated radon, though most Texas communities typically see readings below EPA action levels.

Rainbow, TX Radon Mitigation

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

Rainbow, TX Radon Testing

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

Rainbow Radon Facts

Key details about the radon risk profile for Rainbow and the 76077 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Somervell County, TX

Zip Code

76077

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Rainbow and the 76077 zip code are located in Somervell 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 Rainbow, TX

What EPA Radon Zone is Rainbow in?

Rainbow and the 76077 zip code are in Somervell 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 Rainbow?

Radon mitigation in Rainbow 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 Rainbow?

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