Water Line Repair & Replacement

The Line Your Whole Home Depends On.

Your main water line carries clean water from the supply into your home. When pressure drops, water changes color or unexplained wet areas appear outside, Moller's can help identify the problem and determine the right repair.

Repair · Replacement · Shut-Off Valves · Pressure Regulators

Plumber connecting a residential water service line in a shallow yard trench
Your Water Supply

From the meter to your home.

01

Water Meter

Property supply

02

Main Water Line

Carries water home

03

Main Shut-Off

Controls incoming flow

04

Home Plumbing

Supplies each fixture

When something goes wrong along that path, the symptoms can show up throughout the property—from low pressure inside to unexplained water outside.

What to Watch For

Sometimes the first sign isn't where the problem is.

01

Sudden loss of water pressure

02

Unexplained wet or soft areas in the yard

03

Water discoloration

04

Unexpected increases in water usage

05

Water surfacing near the foundation or service line

06

Recurring supply-line problems

Not every pressure or water-quality issue comes from the main line. The first step is figuring out where the problem actually is.

Repair vs. Replacement

Fix the problem—not more than the problem.

Water Line Repair

A focused repair may make sense when:

  • The failure is isolated
  • The surrounding line remains in good condition
  • The problem can be accessed and repaired effectively

Water Line Replacement

Replacement may be worth discussing when:

  • The existing line has significantly deteriorated
  • Failures are recurring
  • The condition of the line makes repeated repairs impractical

The goal is to understand the condition of the line first, then recommend the appropriate scope of work.

Water Line Services

One supply line. Several ways we can help.

01

Water Line Repair

Focused repair for damaged or leaking residential water lines.

02

Water Line Replacement

Replacement when the existing service line is no longer a practical candidate for isolated repairs.

03

Main Shut-Off Valves

Repair or replacement of the valve that controls water entering the home.

04

Pressure Regulators

Service for components responsible for controlling incoming water pressure.

05

Service Line Upgrades

Updating residential supply infrastructure when the existing setup no longer meets the property's needs.

06

New Line Installation

New residential water-line installation where appropriate.

Plumber making a residential water line connection in a prepared trench
The Work Below Ground Matters Above It.

Installed carefully from connection to connection.

Water-line work isn't just about replacing pipe. Connections, fittings, pressure and the surrounding installation all contribute to a reliable water supply.

What Happens Next

A clear path forward.

01

Identify

Determine whether the problem involves the water service line and where the issue appears to be.

02

Recommend

Explain whether a focused repair, component replacement or larger line replacement makes sense.

03

Restore

Complete the appropriate plumbing work and restore the water supply.

Low pressure doesn't automatically mean a broken water line.

Pressure problems can have several causes. The service line, pressure regulator, valves or other parts of the plumbing system may be involved. That's why diagnosis comes before deciding what needs to be replaced.

Not sure what's causing it? Talk to Moller's
01Water Line
02Pressure Regulator
03Main Shut-Off
04Interior Plumbing
10+
Years Field Experience
35+
Google Customer Reviews
100%
Locally & Owner-Led
MOLLEPS72OO
WA Contractor License
Water Line FAQ

Useful answers before you schedule.

What are signs of a damaged main water line?

Low water pressure, unexplained wet areas outside, changes in water appearance and unexpected water usage can justify investigating the home's water supply line.

Can a water line be repaired instead of replaced?

Sometimes. Whether repair or replacement makes sense depends on the location of the failure and condition of the surrounding line.

Why is my water pressure suddenly low?

Low pressure can have several causes, including valves, pressure-regulating components, the service line or other parts of the plumbing system. The cause should be identified before determining the repair.

What areas does Moller's Plumbing serve?

Moller's Plumbing serves customers throughout Walla Walla, College Place, Dayton and the Tri-Cities area.

Residential water service line repair beside a home foundation
Water Line Trouble?

Let's find out what's happening below the surface.

Tell us what you're noticing and we'll help determine the next step.