Swansea, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Swansea in?

Swansea is in Lexington County, EPA Zone 3.

Q: How much does radon mitigation cost in Swansea?

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

Lexington County

EPA Zone 3

Positioned in Lexington County within the Columbia Metro area, Swansea rests on South Carolina's Sandhills region featuring sandy soils over clay deposits. The community's housing includes rural properties and suburban developments, typically featuring crawl space and slab-on-grade foundations common to the region. Radon testing data for zip code 29160 is currently unavailable, emphasizing the need for individual home testing to establish baseline levels.

Swansea, SC Radon Mitigation

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

Swansea, SC Radon Testing

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

Swansea Radon Facts

Key details about the radon risk profile for Swansea and the 29160 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lexington County, SC

Zip Code

29160

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Swansea and the 29160 zip code are located in Lexington 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 Swansea, SC

What EPA Radon Zone is Swansea in?

Swansea and the 29160 zip code are in Lexington 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 Swansea?

Radon mitigation in Swansea 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 Swansea?

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 South Carolina

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

City	Avg User Radon Level	Submissions
Fort Mill	6.00 pCi/L	1
Greenville	5.00 pCi/L	1