Nisland, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Nisland in?

Nisland is in Butte County, EPA Zone 2.

Q: How much does radon mitigation cost in Nisland?

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

Butte County

EPA Zone 2

Located in western South Dakota's Butte County near the Black Hills, Nisland sits on sedimentary formations that can produce elevated radon levels in some areas. The rural community features scattered residential properties with varying foundation types adapted to the region's climate. Since comprehensive testing data isn't available for zip code 57762, residents should conduct radon testing to establish baseline readings for their homes.

Nisland, SD Radon Mitigation

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

Nisland, SD Radon Testing

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

Nisland Radon Facts

Key details about the radon risk profile for Nisland and the 57762 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Butte County, SD

Zip Code

57762

Predicted Screening Level

2–4 pCi/L (Zone 2)

Nisland and the 57762 zip code are located in Butte County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Nisland, SD

What EPA Radon Zone is Nisland in?

Nisland and the 57762 zip code are in Butte County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Nisland?

Radon mitigation in Nisland 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 Nisland?

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