Colton, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Colton in?

Colton is in Minnehaha County, EPA Zone 1.

Q: How much does radon mitigation cost in Colton?

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

Minnehaha County

EPA Zone 1

Located in Minnehaha County near Sioux Falls, Colton sits atop Sioux quartzite bedrock overlain by glacial till deposits that can facilitate radon gas migration. The 57018 zip code encompasses rural residential properties and newer suburban developments, many featuring full basements common to Great Plains construction. While current testing data is limited, South Dakota's designation as a moderate-to-high radon risk state makes professional testing advisable for all area homes.

Colton, SD Radon Mitigation

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

Colton, SD Radon Testing

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

Colton Radon Facts

Key details about the radon risk profile for Colton and the 57018 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Minnehaha County, SD

Zip Code

57018

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Colton and the 57018 zip code are located in Minnehaha 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 Colton, SD

What EPA Radon Zone is Colton in?

Colton and the 57018 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 Colton?

Radon mitigation in Colton 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 Colton?

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