Dalzell, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Dalzell in?

Dalzell is in Sumter County, EPA Zone 3.

Q: How much does radon mitigation cost in Dalzell?

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

Sumter County

EPA Zone 3

Located in Sumter County in central South Carolina's Sandhills region, Dalzell currently has limited radon testing data for the 29040 zip code area. The area's sandy soils and Coastal Plain geology typically produce lower radon levels compared to South Carolina's Piedmont region. While testing data remains sparse, homeowners should still consider radon assessment, particularly for properties with crawl spaces or basement areas where gas accumulation is more likely.

Dalzell, SC Radon Mitigation

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

Dalzell, SC Radon Testing

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

Dalzell Radon Facts

Key details about the radon risk profile for Dalzell and the 29040 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sumter County, SC

Zip Code

29040

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dalzell and the 29040 zip code are located in Sumter 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 Dalzell, SC

What EPA Radon Zone is Dalzell in?

Dalzell and the 29040 zip code are in Sumter 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 Dalzell?

Radon mitigation in Dalzell 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 Dalzell?

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