Lead and Galvanized Pipes: Should You Replace Them?

Should You Replace Lead or Galvanized Water Lines?

Replace a lead service line as soon as you confirm it — there is no safe level of lead exposure. Galvanized steel is a replacement candidate once it turns symptomatic: rust-colored water, reduced pressure, or recurring leaks after 50 to 80 years in service. If your home was built before 1986 and the service line has never been replaced, have the pipe material inspected first.

Lead Service Lines: Replace Now

Lead water service lines — used widely before the 1960s and banned from new construction in 1986 — leach lead into drinking water. There is no safe level of lead exposure for children, according to the EPA and CDC. Lead causes irreversible neurological damage at even low exposure levels. If your home was built before 1986 and has never had the service line replaced: have the service line material inspected. Signs of lead pipe: dull gray, easily scratched to reveal shiny silver beneath, bends without springing back. The EPA’s Lead and Copper Rule Revisions require water utilities to identify and replace lead service lines — your utility may offer financial assistance or a cost-sharing program for replacement. Replace any confirmed lead service line immediately.

Galvanized Steel: Replace When Symptomatic

Galvanized steel pipe (zinc-coated steel) was widely used from the 1930s through the 1970s. As the zinc coating degrades, the steel beneath corrodes and deposits rust in the water, narrowing the interior diameter. Symptoms: rust-colored water (especially after the system sits idle), noticeably reduced water pressure compared to what you recall, and recurring leaks at corroded sections. A 50 to 80-year-old galvanized line that is symptomatic is a replacement candidate — not because of a single leak but because the entire line is in a similar state of corrosion. Spot-repairing galvanized is a short-term solution; full replacement with PEX or copper resolves the water quality and flow issues permanently. (For more on this, see Signs Your Main Water Line Needs Repair.) EPA WaterSense estimates the average household wastes about 9,300 gallons a year to leaks, and a single dripping faucet more than 3,000 gallons.

Polybutylene (PB): Also Replace

Gray flexible plastic polybutylene pipe, used from 1978 to 1995, fails at its fittings unpredictably from chlorine degradation. While technically a different material from lead and galvanized, it belongs in the same replacement-priority category for water lines. PB pipe in the service line or in the interior distribution system is a liability that most insurers and home buyers treat as a material defect requiring replacement. (For more on this, see What Affects Water Line Repair Cost?.)

Working With a Contractor on This Project

Getting the right outcome on any home services project starts before the work begins. A few consistent practices make the difference between a smooth project and a frustrating one.

Get at least two or three quotes. A single quote gives you no basis for comparison. Two or three quotes reveal the market rate for the work, expose scope differences between bidders, and let you assess contractor communication quality before any commitment is made. The lowest bid is not automatically the best value if the scope is thin or the materials are underspecified.

Ask for licenses and insurance before work starts. Verify current general liability insurance and, for any work involving workers on your property, workers compensation coverage. Licensing requirements vary by state and trade; confirm the specific requirements in your jurisdiction. A licensed contractor who carries appropriate insurance protects both parties if something goes wrong during the project. (For more on this, see Questions to Ask Before Hiring a Water Line Repair Contractor.)

Get the scope in writing. A written proposal that specifies materials, labor scope, timeline, what is included (permits, cleanup, disposal), and warranty terms is the foundation of a professional engagement. Verbal agreements on any of these points invite misunderstanding. For any project over $500, written scope is non-negotiable.

Clarify the payment schedule upfront. A reasonable payment schedule ties major payments to project milestones: a deposit at signing, a payment at material delivery or project start, and a final payment at completion after a walkthrough confirms satisfaction. A contractor who requires full payment upfront before work begins is a red flag in any trade.

Making a Confident Decision

The information in this article is designed to help you ask better questions of the professionals you work with, evaluate their answers with more confidence, and understand the decisions involved in this type of home services project. It is not a substitute for professional assessment of your specific home.

Every home is different. Roof slopes, local weather, tree exposure, soil conditions, and existing system condition all affect what the right solution is for your specific situation. The general principles here apply broadly, but a professional who assesses your home in person will give you guidance that accounts for the details that general articles cannot.

When you are ready to move forward, getting at least two or three quotes from licensed, insured, local contractors is the most important practical step. It lets you compare approaches, assess contractor quality, and confirm that the solution proposed matches your specific situation and budget.