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Verified Reviews for Excavation pros in Madison, MN

*The Angi rating for Excavation companies in Madison, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

*The HomeAdvisor rating for Excavation companies in Madison, MN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

Last update on August 26, 2025

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Dean's Tank Corporation
4.7(
17
)

Serving Madison, MN and surrounding areas

In business since 1987

Free estimates

Offers commercial services

"This company was quick to respond to my need, setting up a time the very day we spoke. The service technician called when he was on his way, giving a good ETA, and was responsive and polite during our interactions. He reviewed the tight area and the job to remove two old, large fuel oil tanks from the back of the property, and then just got it done. Billing was super easy as he produced the invoice right there. I would recommend Dean's for any similar project."
BTR
BTR II
UST 1
UST 2
UST excavated

+6

Response time2 days
Recommended by100%of homeowners
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Te Underground LLC
New to Angi

Serving Madison, MN and surrounding areas

In business since 2007

Free estimates

Offers commercial services

Te Underground LLC is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Excavating questions, answered by experts

After you successfully remove your boulder, you have a few options for what to do to get rid of it. You can rent a dumpster if your yard has many boulders or if you’re planning a larger project. You can even save the boulder and reuse it elsewhere on your property to save on landscaping costs. A few ideas include using the boulder as a natural, abstract statue, breaking it into smaller pieces to line your garden bed, or offering it to a landscaping company that could reuse it for another project.

A perc test can take anywhere from one to eight hours to complete. The total time depends on factors like the amount of excavation required, the depth and width of the holes, and whether multiple test holes are needed. For a single hole, the process of filling it with water and monitoring the drainage rate usually takes less than an hour. Professionals can often complete the entire test in a single day. While it's possible to get results the same day, some companies may take a few days to provide the official report.

Trenches are typically 12 to 24 inches deep and 8 inches wide. However, the required depth depends on the specific project and local ordinances. For example, a French drain may need to be 18 inches deep, while a water pipe might require a depth of 24 inches and a drainage pipe 36 inches. Your city or county may have specific regulations, so it's wise to consult with an excavation professional to determine the correct depth for your project.

There are many ways to cut through roots when digging, especially if your trencher doesn’t seem to be removing the roots. First, use a shovel to expose the roots. Then, use gardening shears to clear out smaller roots or a reciprocating saw to remove larger plant roots. If you plan on keeping the plant, avoid cutting any roots over 2 inches thick.

Drilled wells have a pipe sticking up that’s covered in a plastic or metal casing. On the other hand, a dug well will look like a big hole in the ground and is more similar to what you’d see in a fantasy or Western movie. If you want to be sure, contact the city for documentation on your property’s construction and excavation history. 

The Madison, MN homeowners’ guide to excavation services

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

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