Big Stone City, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Big Stone City in?

Big Stone City is in Grant County, EPA Zone 1.

Q: How much does radon mitigation cost in Big Stone City?

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

Grant County

EPA Zone 1

Big Stone City, SD resides in Grant 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. Testing is recommended for all homes in the 57216 zip code area.

Big Stone City, SD Radon Mitigation

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

Big Stone City, SD Radon Testing

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

Big Stone City Radon Facts

Key details about the radon risk profile for Big Stone City and the 57216 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Grant County, SD

Zip Code

57216

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Big Stone City and the 57216 zip code are located in Grant 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 Big Stone City, SD

What EPA Radon Zone is Big Stone City in?

Big Stone City and the 57216 zip code are in Grant 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 Big Stone City?

Radon mitigation in Big Stone City 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 Big Stone City?

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