When Did They Stop Using Lead Pipes in Homes? Key Dates

Short answer: The 1986 Safe Drinking Water Act amendments banned non-lead-free pipe, solder and flux in plumbing that supplies drinking water, starting after June 1986 (EPA). EPA says lead pipes are more likely in homes built before 1986, and lead service lines are typically the biggest source of lead in drinking water where they exist (EPA).

Check a specific house: Lead pipes are rated high for homes built before 1930 and medium until 1986. Open the House Age Decoder with 1925 loaded →

The key dates

Year	What happened	Source
1986	Amendments ban use of pipes, solder and flux that are not lead free; at the time, lead free meant up to 8% lead in pipes and 0.2% in solder and flux. Applies after June 1986.	EPA
2011	Changes to the Safe Drinking Water Act lowered allowable lead to a weighted average of 0.25% in pipes, fittings and fixtures; solder and flux stayed at 0.2%.	EPA
Oct. 16, 2024	Water systems’ initial service line inventories were due.	EPA
Nov. 1, 2027	Under EPA’s Lead and Copper Rule Improvements, baseline inventories and replacement plans are due.	EPA
Within 10 years (generally)	Water systems must replace lead and certain galvanized service lines under their control, with limited exceptions.	EPA

So there is no single date when lead pipe disappeared from US homes. The 1986 ban stopped new installations; replacing what is already in the ground is still under way.

Where lead hides in a home’s plumbing

The service line: the pipe from the water main to the house. Where lead service lines exist, EPA says they are typically the biggest source of lead in water.
Lead connectors: short flexible pieces near the main. The East Bay utility EBMUD, for example, used lead connectors on galvanized lines before 1928 and again briefly during the 1940s (EBMUD).
Lead solder on copper pipes installed before the 1986 ban.
Brass and chrome-plated brass fixtures: EPA notes these are among the most common sources in homes without lead service lines.
Galvanized pipe downstream of lead: it can collect lead-containing scale. EPA’s new rule treats these lines as needing replacement.

How to check your home

You can do some looking yourself without disturbing anything. EBMUD describes two simple tests (EBMUD):

Magnet test: a magnet sticks to galvanized iron but not to lead, copper or plastic.
Scratch test: gently scratching the surface shows shiny silver on lead and dull gray on galvanized iron.

Where to look: the pipe coming through the basement wall or up through the floor to the main shut-off valve. Then contact your water utility. Under EPA’s rules, systems must keep a public service line inventory and notify customers served by lead, galvanized-requiring-replacement or unknown lines (EPA).

Testing the water

Pipe identification tells you where lead might come from; a water test tells you whether it is in your water. Many utilities offer testing or can point you to certified labs. Ask how to collect the sample, because the instructions matter.

Questions to ask

Your water utility

What does your service line inventory list for this address?
Is the line lead, galvanized requiring replacement, non-lead or unknown?
Is there a replacement program, and who pays for the private side?

The seller

Has the service line been replaced? When, and is there documentation?
Has the water been tested for lead?
Has the interior plumbing been replaced since 1986?

The home inspector or plumber

What material is the service line where it enters the house?
Is there any galvanized pipe, and is it downstream of a lead line?
Are there older brass fixtures?

What to do

Check your utility’s inventory and ask about replacement programs.
Test the water, especially if the home was built before 1986.
If lead is found, follow your utility’s and EPA’s guidance on drinking water while you plan replacement.
Hire a licensed plumber for any replacement on the private side, and coordinate with the utility on the public side.
If you are buying, ask for the inventory status and any test results during your inspection period.

Common misunderstandings

“Lead pipes were banned in 1986, so they’re gone.” The ban covered new installations; many old lines remain.
“Copper plumbing means no lead.” Pre-1986 solder and older brass fixtures can still contribute lead.
“The city takes care of it.” Ownership of the service line often splits between the utility and the homeowner. Ask.
“Clear water is safe water.” Lead is not visible; only testing tells you.

What the 2024 rule changes for homeowners

EPA’s Lead and Copper Rule Improvements are aimed at water systems, but they affect households in practical ways. Utilities must keep a public inventory of service line materials, notify customers served by lead, galvanized-requiring-replacement or unknown lines, identify the unknown lines and replace lead and galvanized-requiring-replacement lines under their control, generally within 10 years (EPA). The lead action level also drops from 0.015 to 0.010 milligrams per liter, with the lower level taking effect for public notification on November 1, 2027.

For a homeowner, that means three things: you can look up your address, you may receive a notice, and there may be a replacement program on your street. Ask how the program handles the part of the line on private property and whether there is any cost to you.

Quick answers

My house was built in 1990. Can it have lead pipes?

New lead pipe was banned after June 1986, so a lead service line is unlikely on a 1990 house unless an older line was reused. Brass fixtures and older solder in repaired sections are the more likely sources. Your utility’s inventory and a water test are the way to know.

Is a filter enough?

Ask your utility what it recommends while you wait for testing or replacement, and look for filters certified for lead reduction. Replacement removes the source.

Who replaces the line?

Under EPA’s rule, water systems must replace lines under their control. How costs and work on the private side are handled varies by utility.

Who to call

Start with your water utility for the service line inventory, notices and testing. A licensed plumber can identify interior piping and fixtures and handle private-side replacement. If the line is listed as unknown, ask the utility how and when it will be identified; under EPA’s rule, systems must identify unknown lines by their replacement deadline.

The bottom line

If a home was built before 1986, assume the plumbing deserves a lead check. Look up the service line in your utility’s inventory, test the water, look for older brass fixtures and pre-1986 solder, and coordinate any replacement with the utility. If the home is newer, the odds are lower, but a test is still the only way to know what is coming out of the tap.

Keep any test results and replacement records with your other house documents. They answer questions from future buyers, and they help you track whether anything changes over time.

When Did They Stop Using Lead Pipes in Homes?