Lake Elmo, MN Radon Mitigation and Testing

Q: What is the average radon level in Lake Elmo, MN?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Lake Elmo in?

Lake Elmo is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Lake Elmo?

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

Avg: 4.00 pCi/L

Washington County

EPA Zone 1

1 user test

Situated in Washington County east of Minneapolis-St. Paul, Lake Elmo sits atop glacial deposits that contribute to elevated radon potential throughout the region. The community's 4.0 pCi/L average reading meets the EPA action threshold, reflecting the geological conditions common to the Twin Cities metro area. Local homes, many built on full basements in glacial till soils, should prioritize radon testing regardless of construction era.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Lake Elmo, MN. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Lake Elmo, MN Radon Mitigation

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

Lake Elmo, MN Radon Testing

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

Lake Elmo, Minnesota Radon Levels

User-submitted radon test readings from homes in the Lake Elmo area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Lake Elmo, MN	21-50 Years	Full Basement	Nov 2024

Have a radon test result for Lake Elmo? Submit your reading to help other homeowners.

Lake Elmo Radon Facts

Key details about the radon risk profile for Lake Elmo and the 55042 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, MN

Zip Code

55042

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Lake Elmo and the 55042 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 Lake Elmo, MN

What is the average radon level in Lake Elmo, MN?

Based on 1 user-submitted test, the average radon level in Lake Elmo is 4.00 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 Lake Elmo in?

Lake Elmo and the 55042 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 Lake Elmo?

Radon mitigation in Lake Elmo 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 Lake Elmo?

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