Who Fixes Water & Sewer Lines on a Philadelphia Home?

In Philadelphia, the homeowner is responsible for the water service line and the sewer lateral that connect the house to the city’s pipes, right out to the main under the street. The Philadelphia Water Department (PWD) takes care of the water main and the public sewer. If PWD finds a problem on your side and sends a Notice of Defect, a licensed plumber has to fix it, and you may qualify for the city’s zero-interest HELP loan.

Most buyers assume the pipe under the sidewalk belongs to the city. It doesn’t. And in a town full of century-old brick rowhomes, that’s a big deal.

Where Does Your Responsibility Start and Stop?

PWD’s own diagram splits it up pretty cleanly.

Yours

• The ferrule, where your line taps into the water main
• The water service pipe running to the curb stop and its box
• The water supply pipe into the house and the valves on either side of the meter
• The main house drain, curb trap, sanitary and stormwater lateral, slant, vent pipe and vent cover

The city’s

• The water main
• The public sewer, combined or separate depending on the area
• Stormwater inlets

The meter’s a funny one. PWD owns it, but you’re on the hook for keeping it and its valves in good shape and accessible.

What Is a Notice of Defect?

It’s PWD formally telling an owner there’s a problem with their water or sewer line that has to be repaired. Leaks, a collapsed lateral, that sort of thing. PWD’s position is simple: it isn’t responsible for your plumbing, and a licensed plumber has to do the work. Leaving it alone can damage your house and your neighbors’, which in a row of attached homes isn’t hypothetical.

Getting a notice stings. But it’s also the main ticket into the HELP loan.

How Does the HELP Loan Work?

HELP stands for Homeowner’s Emergency Loan Program. It’s a zero-interest loan for water service line and sewer line repairs, paid back through your water bill over 60 months. It stays interest-free as long as you pay on time.

Who qualifies

You need a Notice of Defect, a confirmed lead service line, or a private sewer connection that has to be rerouted to a public sewer. On top of that, the city’s HELP program page lists these requirements:

• You own the property. It can be tenant-occupied.
• It’s residential, or mostly residential if mixed-use, with no more than four units.
• It has a working water meter.
• You’re not more than two billing cycles behind on water bills, here or at other properties you own.
• Any payment agreements are current.
• You agree to a lien on the property for the cost of the work.

Pre-apply online, by mail or email, or by calling (215) 685-4901. PWD says it’ll reach out within two business days and then schedule an inspection and give you a cost estimate.

Lead service lines

If the city’s service line material map confirms your line is lead, you don’t need a Notice of Defect to use HELP for the replacement. Worth checking before you buy, honestly. It’s a free lookup.

Should Buyers Get the Sewer Line Scoped?

For an older home, yes. A sewer scope is a camera run through the lateral to look for cracks, roots, sags or breaks. A standard home inspection doesn’t usually go underground, so this is an add-on you ask for, and it’s worth adding to the list of common inspection problems you’re watching for.

Our view is simple. Since the owner pays for lateral repairs, the time to find out is during your inspection period, not after a backup in the basement. If something turns up, you’ve got options: negotiate, ask for a credit, or walk. Our buyer resources, plus our posts on reading a home inspection report and buying a house that needs major work cover how to handle what you find. And if you’re budgeting for repairs anyway, see financing repairs on a fixer-upper.

Sellers have to disclose, too

Pennsylvania’s seller disclosure form asks specifically about water and sewage systems and plumbing. If a seller knows about a problem line, it belongs on that form.

What About Frozen or Burst Pipes?

Same rule. PWD says if the plumbing connecting your home to its mains and sewers breaks or freezes, fixing it is on you. For a water main break, an open hydrant or water in your basement, call PWD’s 24/7 hotline at (215) 685-6300. Their water emergencies page has the full responsibility diagram.

Whether insurance covers any of it depends on your policy, so read it before winter, not during. Our post on homeowners insurance is a decent primer, and our monthly maintenance checklist helps you catch small stuff early.

Landlords, this applies to you

HELP is open to owners of tenant-occupied homes with up to four units. If you’re managing rentals, see our property management services and our list of first-time landlord mistakes.

Philadelphia Water and Sewer Line FAQ