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Top-Rated Excavation pros in Point Marion - Updated Nov 2026

Avatar for 3P Excavating & Plumbing LLC
3P Excavating & Plumbing LLC
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping - For Business

Serving Point Marion, PA and surrounding areas

Approved

In business since 2012

Free estimates

Offers commercial services

3P Excavating & Plumbing LLC is a professional residential contractor with more than 25 years of experience in the industry. We specialize in exterior work, we do everything from foundations to Landscaping. We pride ourselves on winning the job and earning your repeat business. Customer satisfaction is our top priority. If you seek a reliable professional call DJP Contracting & Development today for a free quote.

3 neighbors recently requested a quote
Avatar for Sloan Construction Company
Sloan Construction Company
New to Angi
Building Site - Preparation and Clearing - For Business

Serving Point Marion, PA and surrounding areas

Approved

In business since 1988

Free estimates

Offers commercial services

We're a locally owned and operated company with over 22 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of Home Improvement services that are customizable to each individual project. Thank you for choosing Sloan Construction Inc

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Excavating FAQs, answered by experts

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.

Water lines are buried at various depths, depending on the type of line. For example, most sprinkler lines are buried between four and 12 inches underground. On the other hand, water mains usually sit between one and 3 feet below ground. However, they can go even deeper in cold climates to prevent freezing.

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. 

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.

Underground downspouts refer to the sections of downspout extensions that lead away from your home and gutter system. While they cost more than traditional extensions, they can provide several benefits, such as less frequent damage and no need to move them for lawn care tasks. Whether they're worth it or not depends on your budget at installation time and how much convenience they'll add to your situation.

The Point Marion, PA homeowners’ guide to excavation services

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