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*The Angi rating for Excavation companies in Cozad, NE 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 Cozad, NE 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 July 07, 2025

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Avatar for Tri-City Contracting LLC
Tri-City Contracting LLC
3.9(
4
)
Landscape - Minor Grading or Resloping

Serving Cozad, NE and surrounding areas

In business since 2019

Free estimates

Credit card accepted

"They were very efficient. They worked in good weather and bad weather until they got the job done. They were patient with us and had very good service."
Response time1 day
Recommended by75%of homeowners
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Clifton Land Leveling and Excavation
New to Angi
Building Site - Preparation and ClearingExcavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business+1 more

Serving Cozad, NE and surrounding areas

In business since 2017

Free estimates

Credit card accepted

Clifton Land Leveling and Excavation is committed to excellence in 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

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. 

There is no standard depth for burying a septic tank; they are typically buried anywhere from 4 inches to 4 feet underground. The final depth depends on several factors, including the depth of your main sewer line, the height of the bedrock, soil type, local regulations, and the property's landscape. If you plan to grow grass or plants over the tank, a depth of at least 4 to 6 inches is recommended. Deeper tanks can be more difficult to locate, but a septic professional can help find it for you.

It takes one hour to dig a 10-foot trench by hand. Use a trenching shovel with a sharp tip and a long head. Plan for more time if your soil is heavy or rocky. Consider renting a trencher if you’re digging a long or deep trench or if you have challenging soil or terrain. 

Most residential basements are 8 to 10 feet deep. You can dig deeper depending on building codes, but it does become more difficult. You’ll likely need to install stronger foundation walls and additional supports to handle the increased load. Depending on the water table, you may also need a water management system. Clay soil can support a deeper foundation than sandy soil. A structural engineer will be able to tell you the maximum, feasible depth.

Yes, professional installations include trenching or borehole drilling required for ground loops.

The Cozad, NE homeowners’ guide to excavation services

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