TL;DR: How to fix low water pressure depends on where it is low: one fixture means a clogged aerator or valve; the whole house means the pressure-reducing valve (PRV), a hidden leak, or scaled pipes. Normal home pressure runs 40-60 psi, a $15 gauge on a hose bib tells you instantly where you stand.
Is it one fixture or the whole house?
One fixture: unscrew the aerator or showerhead and look, in Utah County’s very hard water, mineral crust chokes them within a year or two. Soak in vinegar or replace. One bathroom: check its shutoff valves are fully open; half-closed stops after past work are common. Whole house: keep reading.
What does the pressure-reducing valve do?
The PRV, a bell-shaped brass valve where the main enters, steps street pressure down to household range. PRVs drift and fail with age (10-15 years typical); a failing one strangles the whole house. Test with a gauge: below 40 psi at an outdoor spigot points to the PRV or supply. Adjustment is a quarter-turn job; replacement runs $350-$700 by industry estimates.
Could it be a leak or the pipes themselves?
Pressure that dropped gradually over years in an older home is often the pipe: galvanized steel closes from the inside as corrosion and scale stack up, the cure is repiping, not adjustment. Pressure that dropped suddenly deserves a meter test: all fixtures off, watch the meter, movement means a hidden leak, and leak detection finds it before the damage surfaces.
When should you call a plumber?
Call when the gauge reads under 40 psi with the PRV adjusted, when the meter moves with everything off, or when hot-side pressure alone is low (a scaling water heater). Utah Service Pros diagnoses pressure complaints across Utah County, 801-874-8479, or start at plumbing repair.
Expert-reviewed by Utah Service Pros. Last updated June 2026.
Questions about how to fix low water pressure? Call Utah Service Pros at 801-874-8479 for straight answers and a flat-rate quote.
How To Fix Low Water Pressure: quick answers
How to fix low water pressure comes down to three things: act early, get a proper diagnosis before paying for anything, and insist on flat-rate pricing. For how to fix low water pressure anywhere in Utah County, Utah Service Pros handles the diagnosis and the fix in one visit, with permits included where required.