West Columbia, SC Radon Mitigation and Testing

Q: What is the average radon level in West Columbia, SC?

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is West Columbia in?

West Columbia is in Lexington County, EPA Zone 3.

Q: How much does radon mitigation cost in West Columbia?

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

Avg: 7.00 pCi/L

Lexington County

EPA Zone 3

1 user test

West Columbia is located in Lexington County, South Carolina. With 1 user-submitted readings averaging 7.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 29169 zip code.

7.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in West Columbia, SC. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

West Columbia, SC Radon Mitigation

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

West Columbia, SC Radon Testing

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

West Columbia, South Carolina Radon Levels

User-submitted radon test readings from homes in the West Columbia area.

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	West Columbia, SC	—	No Basement/All Slab	Jan 2021

Have a radon test result for West Columbia? Submit your reading to help other homeowners.

West Columbia Radon Facts

Key details about the radon risk profile for West Columbia and the 29169 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lexington County, SC

Zip Code

29169

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

West Columbia and the 29169 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 West Columbia, SC

What is the average radon level in West Columbia, SC?

Based on 1 user-submitted test, the average radon level in West Columbia is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is West Columbia in?

West Columbia and the 29169 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 West Columbia?

Radon mitigation in West Columbia 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 West Columbia?

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