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Possible branch-line or building drain blockage

Multiple slow or gurgling fixtures suggest the problem may extend beyond the shower and require building-side service.

Why this result fits

  • More than one fixture is slow or gurgling.
  • The symptoms may involve a shared branch or building line.
  • Continued water use could worsen a backup.

What to do now

  1. Reduce water use

    Stop using the affected fixtures and avoid running connected appliances until maintenance responds.

  2. List every symptom

    Note each affected fixture, gurgling, odor, water level changes, and when the problem began.

  3. Contact maintenance promptly

    Explain that multiple fixtures are involved so the request is routed as a possible shared-line problem.

Stop and escalate if

  • Water or sewage rises through a drain or toilet.
  • Water begins spreading onto floors or into another unit.
  • An electrical source is near spreading water.

What not to do

  • Do not add drain chemicals.
  • Do not keep testing fixtures with more water.
  • Do not open plumbing connections or attempt shared-line access.

Message you can send to maintenance

Multiple fixtures in my apartment are slow or gurgling, including the shower. I have reduced water use and have not added drain chemicals. Please check for a branch-line or building drain problem.

Help prevent a repeat

  • Report multi-fixture symptoms early.
  • Do not flush wipes or other products even when marketed as flushable.

If this does not match

Sources and review date

Content last reviewed: under the Apartmentwise methodology.