2491 W Iliff Ave, Denver, CO 80219

Water Line Repair, Replacement & Trenchless Solutions in Denver

An independent, licensed plumbing contractor. Not affiliated with Denver Water or the City and County of Denver.

When a water line leaks underground, loses pressure, or finally fails, the right answer depends on what is actually happening below the surface. Denver Sewer & Water provides water line repair, replacement, leak detection, locating, inspection, trenchless methods, and excavation across the Denver metro.

  • Second-generation company focused on underground water and sewer line work.
  • Leak detection and locating before any major decision.
  • Trenchless if possible. Excavation if necessary.
  • Residential, commercial, and municipal water line work.
  • Serving Denver and surrounding metro communities.

Get Your Free Quote!

Sewer Lines
Water Lines
Fire Lines
Storm Drains
Septic Systems

Independent, family-owned. Not Denver Water or a city agency.

Family Owned and Operated, Not the City Utility
Licensed and Insured
Second-Generation Specialists
Fast Response Across the Denver Metro

What Denver customers say

4.8 average from 18 Google reviews

  • Denver Sewer and Water was a great experience. We had been out of water due to a water main leak into the house for 2 weeks. They came out, gave a go

    Cathy Mays

  • We had an underground water valve break on a Saturday. No fun and expensive to fix regardless of the repair company. Nevertheless, greatly apprecia

    Daniel Reilly

  • Prompt service and worked well into the night to restore service due to hard soil. And did their best to prevent large scars to the yard

    Jennifer Mahaffey

Water Line Leak or Service Issue? Do This First.

An underground water line rarely announces itself clearly. The same symptoms can come from a pinhole leak, a cracked service line, a failing fitting, corroded old pipe, frozen damage, or a line that has shifted underground.

If water is surfacing, pressure has dropped suddenly, or the bill has jumped without explanation, get the line evaluated before the surrounding soil and structure take on more damage.

(720) 935-6221

Signs You May Need Sewer Line Repair

  • Standing water, wet ground, or unusually green grass over the line path.
  • A sudden drop in water pressure at one or several fixtures.
  • An unexplained increase in the water bill.
  • Cracks in the foundation or settling near the line path.
  • Discolored water or a persistent sound of running water.
Open street cut exposing a copper water service line and curb stop in a Denver street
Water service work in the street, with the curb stop exposed and traffic control set.

How We Diagnose It

Water Line Service Built Around Accurate Diagnosis

Our first job is to find where the line runs and where it is actually failing. Leak detection, locating, and camera inspection establish the real condition of the pipe before anyone talks about scope or cost.

That protects property owners from paying for a full replacement when a targeted repair would hold, and from paying twice when a quick patch does not.

Explore Water Line Leak Detection

Common Causes of Sewer Line Damage

  • Leak detection to narrow the failure point without exploratory digging.
  • Locating to establish depth, path, and access.
  • A written comparison of repair, trenchless replacement, and excavation.

How Our Water Line Process Works

  1. 1

    Hear the Symptoms

    We ask what the property is experiencing, how long it has been happening, and what has already been tried.

  2. 2

    Inspect and Diagnose

    Leak detection, locating, and inspection establish the line path, depth, and the actual point of failure.

  3. 3

    Explain the Options

    We lay out repair, trenchless replacement, and excavation side by side so the decision stays yours.

  4. 4

    Complete the Work

    The crew performs the agreed scope, protects the site, and restores the work area once service is back.

Denver Sewer and Water crew replacing a residential sewer lateral in a shored backyard trench
Sewer lateral replacement in a Denver backyard, trench shored and pipe staged.

Trusted for Underground Water Line Work in the Denver Metro

They found the leak on our service line without tearing up the whole yard. Clear explanation, fair scope, and the water was back on the same day.
Ellen Rhodes, Denver Homeowner
Pressure had dropped across the whole building. Their crew located the failure, showed us the options, and handled the replacement cleanly.
Tomas Reyes, Property Manager
Second-generation crew that clearly does this every day. They quoted after the inspection instead of guessing up front.
Karen Vogel, Lakewood Resident

Do You Need Water Line Repair or Full Replacement?

Cost on a water line project is driven by length, depth, pipe material, access, surface restoration, and whether the line qualifies for a minimal-dig method. No honest number exists for a line nobody has seen.

We quote after the evaluation, not before it, and we say plainly when a targeted repair is the better value than a full replacement.

Frequently Asked Questions

Water Line Services We Evaluate and Perform

Water Line Repair

Targeted repair for leaks, breaks, pressure loss, and isolated failures on an otherwise sound line.

Explore Water Line Repair

Water Line Replacement and Installation

Full replacement or new service line installation when the existing line is past repair.

Explore Water Line Replacement and Installation

Trenchless Water Line Repair

Minimal-dig replacement methods when the line condition and access make trenchless the right fit.

Explore Trenchless Water Line Repair

Water Line Inspection

Camera inspection that shows the real condition of the line before a repair decision.

Explore Water Line Inspection

Water Line Leak Detection

Locating an underground leak accurately instead of boring exploratory holes across the property.

Explore Water Line Leak Detection

Water Line Locating and Troubleshooting

Establishing the line path and diagnosing pressure and supply problems at the source.

Explore Water Line Locating and Troubleshooting

Residential Water Line Repair

Home water line repair, leak detection, and valve work across the Denver metro.

Explore Residential Water Line Repair

Water Line Excavation

Open-trench access when the line requires full exposure to be repaired or replaced properly.

Explore Water Line Excavation

Water System Re-piping

Replacing aging or failing pipe runs for homes and businesses with recurring leaks or pressure problems.

Explore Water System Re-piping

Floor Drain Installation

Concrete floor drain installation tied into the existing plumbing for homes and commercial spaces.

Explore Floor Drain Installation

Water Tap Services

Water line tap connection, installation, replacement, and repair at the municipal main.

Explore Water Tap Services

Our Family of Companies

For related services, see our sister company partners in the same family of companies:

Need Help With a Water Line Problem?

Describe the symptoms and we will evaluate the line before quoting. Call (720) 935-6221 or request a free quote.