Your home’s water service line is the pipe running from the city water main in the street (or from your well) into your house. It is one of the most important pieces of plumbing you own. When it fails, you lose water pressure, you get visible leaks in the yard, you can have a contaminated supply, or in the worst case you have a lead pipe quietly leaching lead into every glass of water in the house.

Wahl runs water service line as its own department, separate from sewer (which carries waste out) and separate from gas service line. Different crew, different materials, different permits, different specialty. Each gets the focus it needs.

Why this matters in Pittsburgh specifically

Many older Pittsburgh neighborhoods still have lead water service lines. Federal regulation (the Safe Drinking Water Act and the EPA Lead and Copper Rule, with revisions tightening replacement requirements) has been on the books for years and continues to push local water authorities toward full replacement. In the City of Pittsburgh, Pittsburgh Water and Sewer Authority (PWSA) is the water authority. Surrounding municipalities use other authorities. PWSA and others have been replacing public-side lead service lines under federal compliance, and that work continues. The private-side lead line (from the curb stop to your house) is the homeowner’s responsibility. If your home was built before 1960, especially before 1940, there is a real possibility you have a lead service line, even if the public side has already been replaced.

Wahl does both water-authority coordination and stand-alone private-side lead pipe replacement. We work alongside the water authority’s replacement schedule when one applies and we do independent private-side replacements where the homeowner is acting on their own timeline. For current details on what program (if any) is active on your block, contact your water authority directly. They will know what’s funded, what you qualify for, and how to apply.

Health drivers: – The EPA action level for lead in drinking water is 15 parts per billion. – The American Academy of Pediatrics says there is no safe level of lead exposure for children. – Pittsburgh’s water itself is generally lead-free at the treatment plant; the lead enters from old service lines and old solder in older home plumbing.

If you have small children, are pregnant, or are planning to be, lead service line replacement moves higher up the priority list.

What Wahl does in the water service line department

• Full water main service replacement. Replacing the entire line from the curb stop or property line to the house, in copper or HDPE (high-density polyethylene) depending on application.
• Lead pipe replacement. Pittsburgh-specific service for the private-side lead line removal. Health, compliance, and (in some neighborhoods) property value driver.
• Service line repair. When the leak is localized and a full replacement isn’t necessary.
• Curb-to-house replacement coordinated with PWSA’s public-side replacement program.
• Pressure testing and water quality verification after install.
• Concrete and yard restoration in-house, same as our sewer work.

When you might need water service line work

• A visible wet spot in the yard running along where the water service should be.
• Sudden drop in water pressure in the whole house.
• An unexplained spike in your water bill.
• Discolored or rusty water at every fixture (not just one), especially after the line has been idle for a while.
• You’re notified by PWSA that your property has a lead service line.
• You’re doing a major renovation and want to upgrade the service while everything else is open.
• You’re buying a home built before 1960 and want to verify or replace the service line as part of due diligence.
• You’re planning a high-flow upgrade like adding a whole-home filtration system, irrigation, or pool fill capability.

What we install

For replacement, we install one of two materials:

Copper (Type K). The traditional gold standard. Long-life, code-compliant in every Pittsburgh municipality, durable, repairable with standard plumbing tools. Costs more than HDPE but lasts 75-plus years.

HDPE (high-density polyethylene). Modern flexible plastic pipe rated for water service. Approved for water service in every PA municipality we serve. Resists corrosion, can be installed trenchless using pipe-bursting or directional drilling, costs less than copper. 75-plus year service life.

Either material is a major upgrade over lead, galvanized steel, or old undersized lines. Our designer recommends one or the other based on your soil conditions, depth, length of run, and budget.

Materials we replace, and why

Lead. Health and (in some municipalities) compliance. Required by federal and state policy direction over the coming decade.

Galvanized steel. Common in homes built 1900 to 1960. Corrodes from the inside out, restricts flow as scale builds up. Most galvanized water service lines we pull out are heavily restricted, sometimes down to a fraction of their original interior diameter.

Old copper with pinhole corrosion. Soft-soldered copper from the 1950s and 1960s often develops pinhole leaks. Sometimes spot-fixable, often best replaced.

Undersized lines. Many older Pittsburgh homes were built with 1/2 inch or 5/8 inch service lines that no longer meet modern demand. Upgrading to 1 inch (or larger for high-demand homes) restores pressure and supports additional fixtures.

Polybutylene (gray plastic, 1980s). Failure-prone material that lost its approved-pipe status. We replace it whenever we find it.

The replacement process

1. Camera or inspection of the existing line, where possible. Not always feasible on water lines (smaller diameter, no cleanout), but sometimes.
2. Locate. We mark the existing line path and the new line path on the surface.
3. Pull permits. PWSA in the city, individual municipality elsewhere. Some municipalities require a water department inspector to witness key steps.
4. PA One Call (811). Utility marks for gas, electric, sewer, communications.
5. Schedule the water shut-off. PWSA or the municipality typically shuts the water off at the curb stop for the work. Sometimes Wahl does this with municipal permission.
6. Excavate or directional-drill. Open-cut means trench from curb to house, similar to sewer work. Directional drilling means a small launch pit and receive pit with the new line pulled through the ground in between.
7. Run the new service. Connection at the curb side, run through the ground, entry into the house, connection to the interior plumbing.
8. Pressure test. Flush, pressure test, water quality verification.
9. Inspection. Municipal or PWSA inspector signs off.
10. Backfill and surface restoration per the tier you select.
11. Disinfection. Required by code on most municipal water service installs. We run chlorinated water through the new line and verify before returning to service.

Most water service line replacements complete in one to three days, depending on length, depth, and surface restoration scope.

Trenchless vs open-cut

Same as sewer: we offer both. For water service line specifically:

Open-cut is the traditional approach. A trench from curb to house, new line laid, backfilled. Costs less per foot. Disrupts the surface above the line.

Trenchless options for water service: – Pipe-bursting: mechanically destroys the old line while pulling a new line through. Best when there’s an existing line to follow. – Directional drilling: drills a path under the surface, pulls new HDPE line through. Best when there’s no existing line, when the route doesn’t follow the old line, or when surface preservation matters.

Trenchless typically saves landscape and hardscape. Costs more per foot but often less in total once restoration is included.

Pricing reality

We present exact pricing in your home after a free in-home estimate. Tiers below show relative investment, not real numbers.

• Typical water service replacement (50 to 100 ft, average depth): upper-mid to upper tier ($$$).
• Lead pipe replacement (private side only, similar length): upper-mid tier ($$$).
• Trenchless directional drill (longer or hardscape-protected runs): upper tier ($$$$).
• Combined PWSA-coordinated public + private replacement: PWSA covers their side; Wahl quotes the private side, which typically lands a tier lower when synchronized.

Part of our process is presenting numbers in person, on paper, with the restoration tier, the warranty, and the permit cost spelled out. No surprises.

Coordination with PWSA

For homes inside the City of Pittsburgh, PWSA owns the line from the main to the curb stop. The homeowner owns from the curb stop to the house. PWSA runs an active replacement program for public-side lead lines and has assistance options that change as funding cycles change. Wahl coordinates with PWSA’s replacement schedule so that if PWSA is replacing your public-side line, we can replace your private-side line on the same dig if that’s the most efficient approach.

If you’ve received a PWSA notice about lead replacement, call us. We’ve handled dozens of these. For current program details, including any cost-share or financing assistance PWSA is offering right now, the right move is also to call PWSA directly. They will know what’s active.

Financing

Water service line replacement is a major investment, sometimes urgent. Financing through GoodLeap, Synchrony, Wells Fargo, and EasyPay. Approval in about two minutes. We walk through monthly payment options before you commit.

In some cases, lead pipe replacement may also qualify for municipal, state, or federally-funded assistance through the water authority. Programs come and go. We help you identify who to call and what to ask.