Spring Valley, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Spring Valley in?

Spring Valley is in Fillmore County, EPA Zone 1.

Q: How much does radon mitigation cost in Spring Valley?

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

Fillmore County

EPA Zone 1

Located in Fillmore County within the Rochester Metro area, Spring Valley sits in Minnesota's karst region where limestone bedrock and sinkholes create unique radon migration pathways. Testing data for ZIP code 55975 is currently limited, though the area's EPA Zone 1 designation reflects high radon potential throughout southeastern Minnesota. Professional radon testing is particularly important in karst terrain, where underground cavities can channel radon gas unpredictably into homes.

Spring Valley, MN Radon Mitigation

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

Spring Valley, MN Radon Testing

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

Spring Valley Radon Facts

Key details about the radon risk profile for Spring Valley and the 55975 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fillmore County, MN

Zip Code

55975

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Spring Valley and the 55975 zip code are located in Fillmore 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 Spring Valley, MN

What EPA Radon Zone is Spring Valley in?

Spring Valley and the 55975 zip code are in Fillmore 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 Spring Valley?

Radon mitigation in Spring Valley 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 Spring Valley?

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