By PlumberDallas.com editorialUpdated
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Common causes

Clogged aerators

Hard-water scale.

Partly closed main valve

After a repair.

Failing pressure-reducing valve

Common on homes with one installed.

Corroded galvanized pipes

Older Dallas homes.

Hidden leak

Water escaping before it reaches fixtures.

City supply issue

Check with neighbors or Dallas 311.

What you can check yourself

  • Clean the aerator on the affected faucet.
  • Make sure the main shutoff is fully open.
  • Check whether hot and cold are both low.
  • Do the meter test for leaks.

When to call a plumber

Call if pressure is low throughout the house or dropped suddenly.

How a plumber diagnoses it

A plumber measures static pressure, checks the regulator, and looks for leaks or corroded piping.

What it may cost

See the repiping cost guide for published price ranges and cost factors.

Ready for a professional diagnosis? Learn about pipe repair in Dallas and request help.