Cottage Grove, MN Radon Mitigation and Testing

Q: What is the average radon level in Cottage Grove, MN?

Based on 2 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Cottage Grove in?

Cottage Grove is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Cottage Grove?

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

Avg: 7.00 pCi/L

Washington County

EPA Zone 1

2 user tests

Situated in Washington County within the Minneapolis-St. Paul Metro area, Cottage Grove has recorded a radon level of 8.0 pCi/L based on available testing. This reading significantly exceeds the EPA action level, indicating radon mitigation is likely needed for homes in the 55016 zip code area. The community's location on glacial till over limestone and sandstone bedrock creates conditions highly favorable for radon accumulation.

7.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Cottage Grove, MN. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Cottage Grove, MN Radon Mitigation

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

Cottage Grove, MN Radon Testing

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

Cottage Grove, Minnesota Radon Levels

User-submitted radon test readings from homes in the Cottage Grove area.

Radon Level	City	Home Age	Foundation	Submitted
8 pCi/L	Cottage Grove, MN	21-50 Years	Partial Basement	Jul 2016

Have a radon test result for Cottage Grove? Submit your reading to help other homeowners.

Cottage Grove Radon Facts

Key details about the radon risk profile for Cottage Grove and the 55016 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, MN

Zip Code

55016

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Cottage Grove and the 55016 zip code are located in Washington 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 Cottage Grove, MN

What is the average radon level in Cottage Grove, MN?

Based on 2 user-submitted tests, the average radon level in Cottage Grove is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Cottage Grove in?

Cottage Grove and the 55016 zip code are in Washington 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 Cottage Grove?

Radon mitigation in Cottage Grove 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 Cottage Grove?

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