Little Falls, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Little Falls in?

Little Falls is in Morrison County, EPA Zone 2.

Q: How much does radon mitigation cost in Little Falls?

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

Morrison County

EPA Zone 2

Positioned in Morrison County along the Mississippi River, Little Falls sits on glacial drift over Precambrian granite that can produce elevated radon levels. With testing data for the 56345 zip code currently unavailable, residents should prioritize professional home testing to understand their radon exposure risk.

Little Falls, MN Radon Mitigation

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

Little Falls, MN Radon Testing

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

Little Falls Radon Facts

Key details about the radon risk profile for Little Falls and the 56345 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Morrison County, MN

Zip Code

56345

Predicted Screening Level

2–4 pCi/L (Zone 2)

Little Falls and the 56345 zip code are located in Morrison County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Little Falls, MN

What EPA Radon Zone is Little Falls in?

Little Falls and the 56345 zip code are in Morrison County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Little Falls?

Radon mitigation in Little Falls 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 Little Falls?

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