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*The Angi rating for Radon Detection And Reduction companies in Thief River Falls, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Thief River Falls, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on November 13, 2025

Find Radon detection and reduction specialists in Thief River Falls

Avatar for River Cities Radon
River Cities Radon
5.0(
7
)
Radon Gas - AbatementRadon Gas - Testing

Serving Thief River Falls, MN and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"I live in a small rural town and Rick took the time over the phone to get an understanding of our basement setup so that he could give an accurate quote. He was very responsive, followed through on all plans, arrived on time, was tidy and professional every step of the process. The cost ended up being a little less than expected. The system he installed is working perfectly and our radon issue is fixed! Highly recommend!!!"
Response time12 hrs
10 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
Avatar for American Waterworks
American Waterworks
4.5(
171
)
Radon Gas - AbatementRadon Gas - Testing

Serving Thief River Falls, MN and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."
Another Sinking Floor
Dirt Crawlspace in Elk Mound, WI
Concrete stoop had sunk over 6 inches
Foundation Failure Signs
Increased Efficiency of Crawlspace in Elk Mound

+156

Response time4 hrs
642 neighbors recently requested a quote
Recommended by91%of homeowners
Request Quote
Radon Detection and Reduction questions, answered by experts

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

The Thief River Falls, MN homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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