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Drains & sewer in Pennsylvania

Philadelphia and Pittsburgh have large stocks of older rowhouses and homes with cast-iron drains and aging laterals, and Philadelphia owners are responsible for laterals that often run under the street.

  • Licensed local plumbers
  • The problem explained before work starts
  • Price agreed before the job begins
Plumber working on the drain pipes under a sink

Statewide conditions

Drains & sewer in Pennsylvania: what to know

Older combined sewers in both cities can back up into basements during heavy rain, and some Philadelphia rowhouses share sewer lines with neighbors. River flooding affects Harrisburg and other towns.

A camera inspection shows whether a backup is in the lateral, a shared line or the public system, and a backwater valve helps.

Climate
Hard freezes are a regular part of winter in Pennsylvania, so pipes in exterior walls, garages, crawl spaces and attics need protection every year, and outdoor faucets and sprinkler lines must be drained before the first freeze.
Typical foundations
Philadelphia and Pittsburgh have large stocks of older rowhouses and homes with basements, cast-iron drains and aging laterals. Most common: basements.

Drains & sewer services

Drains & sewer by city in Pennsylvania

Local pages cover each city's water provider, permit office and housing. Not listed? Check your ZIP code below.

Drains & sewer questions in Pennsylvania

What if my Philadelphia rowhouse shares a sewer line?

Repairs may need coordination with the neighbor on the shared section. A camera inspection shows where it runs.

Are chemical drain cleaners safe to use?

They can damage older pipes and fixtures, and they make the job hazardous for the plumber if they don't work. A plunger or a drain snake is safer for a single slow drain.

How these problems start and how to choose between repair options is covered in the drains & sewer guide.

More plumbing in Pennsylvania

Need help with drains & sewer in Pennsylvania?

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