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There Is a Public Record of What Feeds Your House

It was compiled recently, it is meant to be available to you, and it lists your street.

Straight answer

Every community water system had to compile an inventory of its service lines, submit it to the state and make it publicly accessible by 16 October 2024. A fuller version carrying the street address of each line is due 1 November 2027, and systems serving more than 50,000 people must post theirs online.

Source: U.S. EPA, 2021 LCRR Requirements Retained in the Final Lead and Copper Rule Improvements; U.S. EPA, Service-Line Inventory and Replacement Requirements, Lead and Copper Rule Improvements fact sheet, October 2024.

WaterMainCall is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands, and work on a service line is normally permitted and often coordinated with the utility — ask to see the permit. We carry out no work, we test no water, we do not set prices, and we never charge homeowners anything. Nothing here is a statement about the water at any address.

What the inventory is

A service line is the pipe running from the water main in the street to your building. Water systems were required to work out what every one of theirs is made of, write it down, give it to the state and make it available to the public.

The initial version, including making it publicly accessible, was due on 16 October 2024. That is not a proposal or a target. It is a deadline that has already passed, which means the document about your street is not being written — it exists.

Source: U.S. EPA, 2021 LCRR Requirements Retained in the Final Lead and Copper Rule Improvements.

The four categories, and why one of them is different

Every line is placed in one of four buckets.

The four categories every service line is placed inFour boxes in a row. The first three are drawn with solid outlines and are labeled lead, galvanized requiring replacement, and non-lead. The fourth is drawn with a broken outline and is labeled unknown, because unlike the other three it does not describe a pipe material at all.HOW EVERY SERVICE LINE IN THE COUNTRY IS CLASSIFIEDLEADthe pipe itselfis leadGALVANIZEDREQUIRINGREPLACEMENTgalvanized, and leadwas once upstreamNON-LEADshown to besomething elseUNKNOWNnot shown to beany of the three
Three of these say what a pipe is made of. The fourth says only that nobody has established it — and it is an official, published statement that this is so.

Lead, galvanized requiring replacement and non-lead are findings about metal. Unknown is a finding about records. EPA defines it as a line whose material has not been demonstrated to be any of the other three, which is a different kind of statement entirely and has its own page here.

Source: U.S. EPA, Service-Line Inventory and Replacement Requirements, Lead and Copper Rule Improvements fact sheet, October 2024.

Where yours will be

If your water system serves more than 50,000 people, EPA requires it to post the inventory online. Smaller systems can meet the same duty other ways — by mail, by making it available at their office, or through the annual water quality report.

So for a city the answer is usually a web page with a search box, and for a small district it is usually a telephone call. Both routes, step by step.

It is getting more detailed, not less

A second and fuller version, the baseline inventory, is due on 1 November 2027. From that point each entry must carry the street address of the service line and of any identified connector, or a unique locational identifier where an address is not available.

A connector is the short piece joining the service line to the main — EPA caps it at three feet — and it gets classified separately, because a short lead connector can sit on an otherwise non-lead line.

And it is not finished being checked

Systems must validate a subset of the lines they have called non-lead no later than 31 December 2034, or on a schedule their state sets. That is a long way off, and it is the rule telling you how provisional some of these classifications still are.

Every unknown must be resolved to an actual material by the system’s replacement deadline. Nobody gets to leave the box empty permanently.

Look your address up first.Your utility has published what your service line is made of, and finding out costs nothing. If it turns out to be your side and it needs work, we will route you to a contractor covering your area, found from the ZIP code you give — you are never charged. Service lines are our subject; anything plumbing-related can be put through the same way.

Call (888) 753-6580
Call (888) 753-6580