Low Water Pressure in Dallas–Fort Worth

The first question is whether the problem is one fixture or the whole house. A single weak faucet is almost always local — an aerator, a cartridge, or a partly closed stop. Weak pressure everywhere points at the main, the regulator, or the piping.

Pressure that dropped suddenly is worth acting on quickly, because a leak is one of the possible explanations.

Symptoms and problems

• • One faucet noticeably weaker than the rest
• • Pressure dropping across the house at the same time
• • Showers weakening when another fixture runs
• • Pressure that changes through the day
• • Sputtering or air in the lines

Common causes

• • Clogged aerators or shower head buildup
• • A failing pressure reducing valve
• • Corrosion or scale narrowing older pipe
• • A partially closed main or meter valve
• • A leak somewhere on the supply line
• • Municipal supply conditions during peak demand

Typical solutions

• • Testing static pressure at a hose bib
• • Cleaning or replacing aerators and fixture cartridges
• • Replacing a failed pressure reducing valve
• • Checking for leaks when pressure loss is sudden
• • Repiping sections where corrosion has restricted flow

When to get professional help

A sudden, whole-house pressure drop with no utility work in the area should be investigated as a possible leak.