Sumter, SC Radon Levels
Check local Sumter radon levels and find certified testing and mitigation professionals to keep your home safe
Sumter, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Sumter County, SC
Zip Code
29150
Situated in Sumter County within South Carolina's Sandhills region (zip code 29150), Sumter sits atop sandy sediments and clay layers that typically result in lower radon concentrations. Testing data for this community is currently limited, making individual home testing valuable for establishing actual radon levels. South Carolina's Coastal Plain geology generally produces moderate to low radon, though specific soil conditions can create localized variations.
Sumter, SC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Sumter, SC
What EPA Radon Zone is Sumter in?
Sumter and the 29150 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 Sumter?
Radon mitigation in Sumter 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 Sumter?
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 in South Carolina with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fort Mill | 6.00 pCi/L | 1 |
| Greenville | 5.00 pCi/L | 1 |