Pierpont, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Pierpont in?

Pierpont is in Day County, EPA Zone 1.

Q: How much does radon mitigation cost in Pierpont?

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

Day County

EPA Zone 1

This small Day County community sits in EPA Zone 1, an area with the highest radon potential due to South Dakota's uranium-rich soils and granite bedrock. Pierpont's rural character includes older farmsteads and newer homes, many with basements that can trap radon gas. Given the limited testing data available for zip code 57468, residents should prioritize radon testing to protect their families from this invisible health risk.

Pierpont, SD Radon Mitigation

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

Pierpont, SD Radon Testing

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

Pierpont Radon Facts

Key details about the radon risk profile for Pierpont and the 57468 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Day County, SD

Zip Code

57468

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Pierpont and the 57468 zip code are located in Day County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Pierpont, SD

What EPA Radon Zone is Pierpont in?

Pierpont and the 57468 zip code are in Day County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Pierpont?

Radon mitigation in Pierpont 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 Pierpont?

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 Dakota

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

City	Avg User Radon Level	Submissions
Spearfish	7.75 pCi/L	4
Rapid City	10.50 pCi/L	2
Aberdeen	8.50 pCi/L	2
Sioux Falls	6.00 pCi/L	2
Watertown	6.00 pCi/L	2