Big Falls, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Big Falls in?

Big Falls is in Koochiching County, EPA Zone 2.

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

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

Koochiching County

EPA Zone 2

Big Falls, MN resides in Koochiching 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. Testing is recommended for all homes in the 56627 zip code area.

Big Falls, MN Radon Mitigation

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

Big Falls, MN Radon Testing

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

Big Falls Radon Facts

Key details about the radon risk profile for Big Falls and the 56627 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Koochiching County, MN

Zip Code

56627

Predicted Screening Level

2–4 pCi/L (Zone 2)

Big Falls and the 56627 zip code are located in Koochiching 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 Big Falls, MN

What EPA Radon Zone is Big Falls in?

Big Falls and the 56627 zip code are in Koochiching 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 Big Falls?

Radon mitigation in Big 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 Big 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