Underwood, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Underwood in?

Underwood is in Otter Tail County, EPA Zone 1.

Q: How much does radon mitigation cost in Underwood?

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

Otter Tail County

EPA Zone 1

Located in west-central Minnesota's Otter Tail County, Underwood sits within the state's lake country where glacial deposits over granite bedrock create conditions favorable for radon accumulation. Testing data for this rural community remains limited, making local radon pattern assessment challenging. Given Minnesota's EPA Zone 1 classification, residents of zip code 56586 should prioritize radon testing, especially in homes with basements.

Underwood, MN Radon Mitigation

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

Underwood, MN Radon Testing

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

Underwood Radon Facts

Key details about the radon risk profile for Underwood and the 56586 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Otter Tail County, MN

Zip Code

56586

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Underwood and the 56586 zip code are located in Otter Tail 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 Underwood, MN

What EPA Radon Zone is Underwood in?

Underwood and the 56586 zip code are in Otter Tail 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 Underwood?

Radon mitigation in Underwood 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 Underwood?

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 Minnesota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Savage	5.00 pCi/L	3
Faribault	10.00 pCi/L	2
Shakopee	6.50 pCi/L	2
Minneapolis	5.00 pCi/L	2
Lakeville	6.00 pCi/L	1
Delano	5.00 pCi/L	1
Montgomery	5.00 pCi/L	1
Rosemount	No submissions	0