Goodwin, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Goodwin in?

Goodwin is in Deuel County, EPA Zone 1.

Q: How much does radon mitigation cost in Goodwin?

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

Deuel County

EPA Zone 1

Situated in Deuel County in eastern South Dakota, Goodwin lies within glacial prairie terrain where till deposits over sedimentary bedrock can facilitate radon movement. With testing data for this rural community currently unavailable, individual home testing remains the most effective approach for assessing radon risk. South Dakota's glacial geology creates conditions where neighboring homes may show varying radon levels.

Goodwin, SD Radon Mitigation

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

Goodwin, SD Radon Testing

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

Goodwin Radon Facts

Key details about the radon risk profile for Goodwin and the 57238 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Deuel County, SD

Zip Code

57238

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Goodwin and the 57238 zip code are located in Deuel 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 Goodwin, SD

What EPA Radon Zone is Goodwin in?

Goodwin and the 57238 zip code are in Deuel 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 Goodwin?

Radon mitigation in Goodwin 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 Goodwin?

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