Dell Rapids, SD Radon Levels

Q: What is the average radon level in Dell Rapids, SD?

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Dell Rapids in?

Dell Rapids is in Minnehaha County, EPA Zone 1.

Q: How much does radon mitigation cost in Dell Rapids?

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

Check local Dell Rapids radon levels and find certified testing and mitigation professionals to keep your home safe

Dell Rapids, SD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Minnehaha County, SD

Zip Code 57022

Avg. User Level 20.00 pCi/L

User Tests 1

Positioned in Minnehaha County within the Sioux Falls Metro area, Dell Rapids sits in EPA Zone 1 along the Big Sioux River where glacial deposits create favorable conditions for radon gas production. The community's mix of historic limestone buildings and modern residential development reflects the area's geological setting over Sioux Quartzite bedrock. Testing data for zip code 57022 remains limited, making professional radon assessment important for homeowners, especially those with basements common to South Dakota construction.

20.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Dell Rapids, SD Radon Mitigation

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

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Radon FAQ for Dell Rapids, SD

What is the average radon level in Dell Rapids, SD?

Based on 1 user-submitted test, the average radon level in Dell Rapids is 20.00 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 Dell Rapids in?

Dell Rapids and the 57022 zip code are in Minnehaha 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 Dell Rapids?

Radon mitigation in Dell Rapids 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 Dell Rapids?

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 in South Dakota with the most user-submitted radon test data, ranked by number of submissions.

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