Updated June 6, 2026

Nothing is more frustrating than turning on your faucet or shower and getting weak water pressure. Whether it’s a slow kitchen sink, a weak shower, or low pressure throughout your home, this problem is common—especially in homes across Easton, PA and the Lehigh Valley.

The good news is that low water pressure is often fixable once you know what’s causing it.

How to Tell What’s Causing Your Low Water Pressure

Before jumping into repairs, here’s a quick way to narrow it down:

• Only one fixture is affected: Likely a clog or buildup
• Whole house has low pressure: Could be a valve, regulator, or main line issue
• Only hot water is weak: Your water heater may be the problem

1. Clogged Aerators or Showerheads

Over time, mineral buildup from hard water can clog your aerators and showerheads, reducing water flow.

✅ How to Fix It:

• Unscrew the aerator or showerhead
• Soak it in vinegar overnight
• Scrub with a toothbrush and reinstall

2. Partially Closed Shut-Off Valve

If your main water valve isn’t fully open, it can restrict water flow to your entire home.

✅ How to Fix It:

• Locate your main shut-off valve (usually near the water meter)
• Turn it fully open (counterclockwise)

3. Faulty Pressure Regulator

Many homes have a pressure regulator that controls incoming water pressure. When it fails, pressure can suddenly drop.

✅ How to Fix It:

• Test your water pressure with a gauge
• Normal pressure is typically 40–60 PSI
• If it’s too low, the regulator may need replacement

4. Leaking Pipes

Leaks can divert water away from your fixtures, leading to noticeable pressure loss.

✅ How to Fix It:

• Look for wet spots, stains, or puddles
• Check basements, crawl spaces, and under sinks
• Call a plumber if you suspect a hidden leak

5. Sediment Buildup in Pipes

Older homes in areas like Easton and Phillipsburg often have buildup inside pipes that restricts water flow over time.

✅ How to Fix It:

• If it’s one fixture → likely a localized clog
• If it’s the whole house → pipes may need professional cleaning or replacement

6. Water Heater Issues (Low Hot Water Pressure)

If only your hot water pressure is low, your water heater could be the issue.

Sediment buildup inside the tank can restrict flow and reduce pressure. This is especially common in older units.

✅ How to Fix It:

• Make sure the water heater valve is fully open
• Consider flushing the tank to remove sediment
• If the unit is older or heavily built up, it may be time to replace it

7. Municipal Water Supply Problems

Sometimes the issue isn’t inside your home.

City maintenance, water main breaks, or high demand can cause temporary pressure drops.

✅ How to Fix It:

• Ask neighbors if they have the same issue
• Contact your local water department

Frequently Asked Questions

What is normal water pressure in a home?
Most homes should have water pressure between 40–60 PSI.

Can low water pressure fix itself?
Sometimes—especially if it’s caused by municipal work—but most issues need to be addressed.

Is low water pressure a serious problem?
It can be. In some cases, it points to leaks, failing components, or buildup in your plumbing system.

Still Dealing With Low Water Pressure?

If you’re not sure what’s causing the issue, it’s easy to spend time and money fixing the wrong thing.

We help homeowners throughout Easton, Nazareth, Phillipsburg, and the Lehigh Valley figure out exactly what’s going on—so you can fix the problem the right way the first time.

If you’d like a second opinion or want us to take a look, we’re happy to help.