Raymond, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Raymond in?

Raymond is in Clark County, EPA Zone 1.

Q: How much does radon mitigation cost in Raymond?

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

Clark County

EPA Zone 1

This rural Clark County community sits within South Dakota's high radon zone, where glacial deposits over sedimentary bedrock create optimal conditions for radon gas production and migration. Current testing data for Raymond's 57258 area is insufficient to establish local patterns. Given the regional geological conditions and South Dakota's typically elevated radon potential, professional testing is crucial for all homes, from historic farmsteads to modern ranch construction.

Raymond, SD Radon Mitigation

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

Raymond, SD Radon Testing

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

Raymond Radon Facts

Key details about the radon risk profile for Raymond and the 57258 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clark County, SD

Zip Code

57258

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Raymond and the 57258 zip code are located in Clark 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 Raymond, SD

What EPA Radon Zone is Raymond in?

Raymond and the 57258 zip code are in Clark 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 Raymond?

Radon mitigation in Raymond 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 Raymond?

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