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*The Angi rating for Excavation companies in Saint Ignace, MI 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 Saint Ignace, MI 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 June 16, 2025

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Martin Land Improvement, Inc.
5.0(
1
)

Serving Saint Ignace, MI and surrounding areas

In business since 1980

Free estimates

Emergency services offered

"They were fantastic he called me right back after I call. Very prompt, always available, the question I had he got all the information we needed for putting the septic and over all electrical wires, he explained everything. Over all great business people and I was very satisfied with the work that he did. I will definitely use them again, he always explained the cost about financial."
Recommended by100%of homeowners
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Kilpatrick Landscaping and Retaining Walls, Inc.
New to Angi

Serving Saint Ignace, MI and surrounding areas

In business since 2002

Free estimates

Locally owned and operated, Kilpatrick Landscaping and Retaining Walls, Inc. provides quality work at a fair price. As we place the highest priority on customer satisfaction and the quality of our work, feel free to ask for pictures of our completed projects, or for references in your area. Call Leon today for a free estimate and see your home transform before your eyes!

Rock Retaining Wall with Steps
Rock Retaining with natrual stone steps
Brick Paver Patio
Retaining Wall with Flagstone Patios
Flage Stone Patio

+3

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Excavating questions, answered by experts

In the United States, a depth of 36 inches (three feet) for underground water lines is the accepted industry standard. This depth varies from location to location based on local conditions. In areas with colder winters, they may be buried deeper to prevent frozen well water pipes : This is usually at least six inches below the frost level. The International Plumbing Code calls for a minimum of 12 inches below grade.

Trenching is a specific kind of digging. Trenching means digging a depression in the earth that’s deeper than it is wide, often with heavy machinery. Digging refers to any kind of removal of earth in order to create a human-made depression, hole, or cut in the earth’s surface. You can dig with big tools or even with just a hand shovel.

How deep your septic system needs to be into the ground depends on several factors. In extremely cold environments, the tank needs to rest below the maximum frost line, which can be up to six or eight feet deep. The standard burying depth for most systems is between a few inches and four feet below ground level. Depth can also depend on the slope of the landscaping and other property variables. 

The average cost for pool excavation is $2,500. This cost can range from $450 to $4,500, depending on the pool shape and size, time of year, and any need to move buried utilities. 

When excavating for your pool, you might have to move existing utilities. You can expect to pay an additional $15 to $25 per linear foot to move gas lines. To move a septic system, it’ll cost an additional $2,000 to $20,000. A pool that is 10 feet by 12 feet averages $450 to excavate, and a 20-foot-by-40-foot pool averages $3,020.

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.

The Saint Ignace, MI 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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