Commercial
Horizontal Directional Drilling
Steerable boring installs new pipe along a controlled path under driveways, roads, landscaping and waterways.
Trenchless Water Line Replacement Across the USA
Replace a leaking or lead water service without trenching the driveway, walkway and front lawn.
The water service line running from the municipal main to your home is usually the homeowner's responsibility, and when it fails the conventional fix means trenching straight across whatever sits on top of it — lawn, walkway, driveway, mature landscaping.
The same trenchless techniques that replace sewer laterals work on potable water services. We pull a new line through the existing path, or bore a new one, using two small access points instead of an open trench.
Signs your water service is failing
- Water pressure that has dropped gradually over months or years
- A water bill that has climbed with no change in usage
- Persistently wet, soft or unusually green ground between the street and the house
- Discoloured or rusty water, particularly first thing in the morning
- The sound of running water when every fixture is off
- A galvanised steel or lead service — in which case replacement is about water quality, not just leaks
Lead and galvanised services
If your home predates the mid-1980s, the service line may be lead or galvanised steel. Lead is a recognised health hazard with no safe exposure level, and utilities across the country are working through replacement programmes — in many areas the utility replaces its portion and the homeowner is responsible for the private side.
Galvanised steel is not a lead hazard in itself, but it corrodes internally, restricting flow and releasing rust into your water. Both are replaced with modern HDPE or copper.
Check with your water utility before you pay. Many run replacement assistance, grants or low-interest financing for private-side lead service replacement. We will tell you if we think your line qualifies.
Water lines are pressurised — sewer lines are not. That difference matters: a sewer leak announces itself with backups and smell, while a water service leak can run undetected for months, inflating bills and quietly saturating the ground under your foundation.
Two trenchless methods
Which one fits depends on the existing line and what is above it:
- Pipe bursting / pull-through. The new line is drawn along the existing path while the old pipe is split outward. Best when the current route is suitable and clear of obstructions.
- Directional drilling. A new bore is steered along a fresh path, used when the existing route is unusable, obstructed, or runs under something that must not be disturbed.
The process
How trenchless water line replacement is carried out
1
Confirm the fault
Acoustic leak detection and pressure testing establish whether you have a leak, a corrosion problem, or a material you want gone.
2
Locate everything
The water service route and every nearby utility are traced and marked. 811 is called for public utilities.
3
Open two access points
One at the meter or property line, one at the house entry.
4
Install the new line
HDPE or copper is pulled or bored through. Fused HDPE arrives as one continuous length with no joints to leak.
5
Connect, pressure test, disinfect
The new service is tied in, pressure tested, and chlorinated and flushed to potable standards before you use it.
6
Restore
Two small openings are backfilled and restored. Everything between them was never touched.
Answers
Trenchless Water Line Replacement — frequently asked questions
How much does trenchless water line replacement cost?
Typically $3,000 to $12,000 for a residential service. Length, depth, pipe size, soil conditions and local permit requirements drive it. Conventional trenching can look cheaper on paper until you price restoring a driveway and mature landscaping.
How long am I without water?
Usually a few hours on the day of the tie-in. Most of the work — locating, fusing the new pipe, boring — happens with your existing service still running.
Do I need to replace a lead service line?
There is no safe level of lead exposure, so replacement is strongly advised. Check with your water utility first: many have replacement programmes, grants or financing for the private-side portion, and some will coordinate their work with yours.
Who is responsible for the water line — me or the city?
In most jurisdictions the utility owns the main and often the portion to the curb stop or meter, and the property owner owns the line from there to the house. It varies by municipality, so confirm with your local water department before authorising work.
What pipe do you install?
Usually HDPE, heat-fused into one continuous jointless length, or copper where local code requires it. Both are a substantial upgrade on galvanised steel, lead or old polybutylene.
Keep reading
Related services
Find it first
Sewer Line Locating & Leak Detection
Electronic locating maps the exact route and depth of your line, so excavation is surgical instead of speculative.
Full replacement
Pipe Bursting
A bursting head splits the old pipe outward while pulling a new HDPE pipe into the same path — total replacement, two small pits.