Newfolden, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Newfolden in?

Newfolden is in Marshall County, EPA Zone 1.

Q: How much does radon mitigation cost in Newfolden?

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

Marshall County

EPA Zone 1

Positioned in rural Marshall County along Minnesota's northern border, Newfolden sits atop glacial lake sediments and till deposits from ancient Lake Agassiz. Testing data for zip code 56738 remains sparse, making individual home testing essential for residents. The area's clay-rich soils over Precambrian bedrock can trap and concentrate naturally occurring radon gas.

Newfolden, MN Radon Mitigation

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

Newfolden, MN Radon Testing

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

Newfolden Radon Facts

Key details about the radon risk profile for Newfolden and the 56738 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Marshall County, MN

Zip Code

56738

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Newfolden and the 56738 zip code are located in Marshall 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 Newfolden, MN

What EPA Radon Zone is Newfolden in?

Newfolden and the 56738 zip code are in Marshall 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 Newfolden?

Radon mitigation in Newfolden 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 Newfolden?

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