Can you replace a water line without digging?

Author: Holly Goyette PhD  |  Last update: Sunday, January 18, 2026

The good news is that the Water Guard Plumbing technicians are experts at trenchless water line replacement. This modern technique allows us to replace entire sections of the underground pipe without digging up your garden or driveway with a huge trench, saving you time, money, and stress.

Can I replace my main water line by myself?

Perhaps the water pressure in your house isn't great or your water supply isn't healthy. If you find yourself in either of these situations, know that it is possible to replace a water main – the main pipe that supplies your water – entirely by yourself. You can also save yourself a lot of money in the process.

How to run a water line without digging?

At it's core, trenchless technology is a collection of construction methods that require little to no digging into the earth. Instead of completely exposing pipes, the ground is drilled or bored into at small entry and exit points. This allows access to the pipes so they can be worked with.

What are the cons of trenchless water line replacement?

Cons of CIPP Lining
  • Very large and very small diameter pipes may not be serviceable.
  • CIPP doesn't work for extreme damage, collapses, and bellies.
  • Initial equipment and material costs are higher than traditional trenching methods, but the lack of trenching makes up for the cost in most cases.

Does homeowners insurance cover water service line replacement?

If these are damaged or break, the homeowner might be responsible for the repair. A standard homeowners policy does not cover the service lines running into the home—unless you've added service line coverage.

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How long does trenchless pipe lining last?

The expected lifespan of trenchless pipe and lining technologies is impressive, lasting a minimum of 50 years and often much longer. This makes it a long-term solution for homeowners looking to fix their clay sewer pipes without the hassle and cost associated with traditional pipe replacement methods.

What is the average cost to replace a main water line?

Main water line replacement costs an average of $1,713 but ranges from $646 to $2,824, depending on the length and depth of the line, materials, and method.

Can I fix my own water line?

While some plumbing issues are easy to deal with as a DIY project, like a leaky faucet or running toilet, water supply line repairs are more complicated and can cause severe, costly damage if you make a mistake. We strongly recommend contacting a professional for water pipe repair or replacement.

Can you install your own water line?

It's not just a pipe dream, because you can still do it on your own! Running water lines in your house comes down to knowing what tools you'll need, and how to use them to repair or install brand new pipes.

How deep are water lines buried in yards?

Typically, sewage lines, electrical lines, and telephone lines not in a conduit are buried approximately two feet underground. Finally, water pipes, electrical lines, and larger sewage pipes are typically buried three feet underground.

Who is responsible for the water line from street to house?

Who is Responsible for the Water Line From the Street to Your House? Water service lines within the bounds of your property are considered your personal responsibility to maintain, while public water pipes outside of private property lines are the city's responsibility.

Can I replace my own water pipe?

You can replace your own pipes, if you have the skill, resources and patience. In fact, within your property boundary, you are responsible for your water supply, so it might make sense for you to do this work.

Who owns the water line to my house?

I live in Southern California, the water company is responsible for the water pipe that comes from the street until it reaches the water meter (usually near the curb in front of your house). The part of the pipe that goes from the water meter to your house and all the pipes inside your house are your responsibility.

Does homeowners insurance cover main water line?

Does homeowners insurance cover water line breaks? Most homeowners insurance policies will not cover water line breaks unless a line has undergone sudden, significant damage. For example, if you dig in your yard and accidentally damage the water line running from your meter, repairs and cleanup may be covered.

How much does labor cost to repair a water line?

Repairing your home's main water line costs $989 on average. You can generally expect to pay anywhere from $352 to $1,664 or $70 to $120 per hour.

How long do underground water lines last?

Typically, main water line pipes last decades. Some experts estimate that they last around 70 years, though this can vary from development to development. If your home is considerably dated–if it was built in or before the 1950s or even the 1980s–you should have its water line inspected.

How much does a plumber cost to install a water line?

Average water line replacement cost

Main water line replacement costs $2,000 to $5,000 on average for labor and materials. An underground trenched water line replacement costs $50 to $200 per linear foot installed. Trenchless water line replacement costs $70 to $250 per linear foot for parts and labor.

Do water lines have to be buried?

As a general rule, water lines must be buried below the frost line, the depth where the ground freezes in winter.

How often do exterior water lines need to be replaced?

Q: How long does a main water line usually last before it needs replacing? Copper lines can last over 50 years, while polyvinyl chloride (PVC) pipes may have a shorter lifespan. Environmental factors and maintenance quality play significant roles.

What are the disadvantages of trenchless pipe replacement?

While trenchless piping is a fantastic option in the vast majority of cases, there are rare occasions when it might be already too late to rehabilitate a pipe system using the trenchless method. The sewer line could be irreversibly damaged or collapsed, leaving not enough intact pipe to properly line.

What is the difference between Repipe and lining?

An epoxy lining, more appropriately known as an epoxy coating, uses a two-part resin formulated for health, safety and for its intended application for use with hot and cold water supply pipes, sprinkler lines, HVAC piping, lead water service lines and more. Repiping, on the other hand, is a pipe replacement.

Is pipe relining worth it?

Advantages of Pipe Relining

Minimal damage to your property. More efficient. Safe and durable. Very effective if the pipes are in moderate condition.

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