Modoc, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Modoc in?

Modoc is in McCormick County, EPA Zone 3.

Q: How much does radon mitigation cost in Modoc?

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

McCormick County

EPA Zone 3

Nestled in McCormick County within the Augusta metropolitan area, Modoc sits atop Piedmont crystalline bedrock that typically produces moderate radon levels. Testing data for zip code 29838 is currently limited, making baseline radon testing advisable for area residents. The community's mix of older homes and newer construction presents varied foundation conditions that can influence radon entry rates.

Modoc, SC Radon Mitigation

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

Modoc, SC Radon Testing

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

Modoc Radon Facts

Key details about the radon risk profile for Modoc and the 29838 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

McCormick County, SC

Zip Code

29838

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Modoc and the 29838 zip code are located in McCormick 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 Modoc, SC

What EPA Radon Zone is Modoc in?

Modoc and the 29838 zip code are in McCormick 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 Modoc?

Radon mitigation in Modoc 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 Modoc?

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