Willmar, MN Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 14.00 pCi/L.

Q: What EPA Radon Zone is Willmar in?

Willmar is in Kandiyohi County, EPA Zone 1.

Q: How much does radon mitigation cost in Willmar?

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

Avg: 14.00 pCi/L

Kandiyohi County

EPA Zone 1

1 user test

Positioned in Kandiyohi County within Minnesota's glacial prairie region, Willmar shows elevated radon potential due to uranium-bearing glacial deposits and underlying bedrock formations. Local testing has documented an average level of 14.0 pCi/L, well above the EPA action threshold. With the area's predominantly full-basement construction and glacial till soils, residents should implement radon mitigation systems and conduct regular testing.

14.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Willmar, MN Radon Mitigation

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

Willmar, MN Radon Testing

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

Willmar, Minnesota Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
14 pCi/L	Willmar, MN	0-20 Years	Full Basement	Jul 2016

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

Willmar Radon Facts

Key details about the radon risk profile for Willmar and the 56201 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Kandiyohi County, MN

Zip Code

56201

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

14.00 pCi/L

User Tests Submitted

Willmar and the 56201 zip code are located in Kandiyohi 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 Willmar, MN

What is the average radon level in Willmar, MN?

Based on 1 user-submitted test, the average radon level in Willmar is 14.00 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 Willmar in?

Willmar and the 56201 zip code are in Kandiyohi 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 Willmar?

Radon mitigation in Willmar 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 Willmar?

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