Family-owned · Plainfield Local
4.8 from 53Google reviewsWhy Is My Water Pressure Low in Summer?
Six common causes behind summer pressure drops in Plainfield, IL homes, and how to fix them.
Call or text(815) 609-3150Request an estimate
Tell us what you need
Summer Pressure Drops: What's Actually Happening
A weak shower in July is not a coincidence. Many Plainfield homeowners notice water pressure drop in summer, from a sluggish dishwasher to a dribbling hose to a shower that barely rinses shampoo out, and there are real, diagnosable reasons behind it.
Below are the most common causes, how to diagnose yours, and the fixes worth considering. For pipe-specific options, read why Plainfield homes experience low water pressure in summer and how piping solutions can help.
Water Pressure Basics Worth Knowing
6 Causes
Why Summer Drops Water Pressure
Each of these can act alone or compound the others. Knowing which applies narrows the fix.
Increased Neighborhood Water Demand
Irrigation, pool top-offs, sprinklers and outdoor washing strain the municipal system. According to the American Water Works Association (AWWA), consumption can rise by up to 50% in summer compared to winter, especially in suburbs like Plainfield. Drops are most noticeable at early-morning and evening peaks.
Partially Closed or Faulty Pressure Regulator Valve
A pressure regulator valve (PRV) where the line enters the house keeps pressure within safe limits. A stuck, corroded or out-of-calibration PRV lowers pressure, and summer volume aggravates it. A plumber can test, recalibrate or replace the valve.
Leaks in Your Plumbing System
Small leaks can hide for months. In summer, drying soil shifts around buried pipes and can crack lines or stress joints. Watch for damp patches on walls or ceilings, high water bills, or running water when everything is off. Catching it early keeps a minor repair from becoming a sewer service or pipe replacement job.
Clogged or Corroded Pipes
Mineral deposits, rust and sediment narrow pipes over time, and hard water, common in parts of Illinois, speeds it up. Higher summer usage makes the restriction more noticeable. Flushing helps in mild cases; significant corrosion often calls for copper or PEX piping. The damage is often more extensive than it first appears.
Issues With Your Water Heater
If pressure is low only on the hot side, sediment inside the water heater may be clogging the outlet piping. Regular hot water heater maintenance, including an annual tank flush, prevents it.
Municipal Water Supply Problems
Plainfield's water department maintains and flushes mains throughout the year, and summer demand compounds those drops. If every fixture drops at once, call the local water authority first.
7 Fixes
What Actually Restores Water Pressure
Schedule a Professional Plumbing Inspection
If self-diagnosis doesn't find it, a licensed plumber can run a full pressure test, inspect the PRV, check for hidden leaks and assess pipe condition. Leto serves Plainfield and surrounding communities: (815) 609-3150.
Replace or Adjust the Pressure Regulator Valve
Recalibrating a stuck or out-of-range PRV often restores pressure immediately; a failed one gets replaced. Adjusted correctly, it holds steady pressure between 45 and 60 PSI year-round.
Clean or Replace Faucet Aerators and Showerheads
Minerals collect in aerators and showerhead screens first. Soak them in white vinegar overnight and reinstall, or replace the fixture for a few dollars in ten minutes. Try this first when only one fixture is affected.
Flush Your Water Heater Annually
Annual flushing clears sediment before it restricts the outlet line and keeps the heater efficient. If it's been several years, schedule water heater maintenance before summer. If the tank is aging out, water heater replacement may cost less in the long run.
Upgrade Old Pipes
When flushing doesn't help, repiping sections with copper or PEX is the durable fix. Modern materials resist the internal scaling older galvanized steel pipes are prone to. It's a larger project that solves the problem permanently.
Use a Water Pressure Booster
If the municipal supply is chronically low, a booster pump at the main line raises pressure before it reaches your fixtures. A plumber can size one for your home's demand.
Communicate With Your Local Water Department
When pressure drops suddenly across the whole house, call the Plainfield water department first. They can tell you within minutes whether a main is under repair or a flush is in progress, which can save a service call.
Low Pressure This Summer? Leto Can Diagnose It.
Plainfield plumbers who've seen every summer pressure problem in the book.
- ★ 4.8 on Google
- BBB A+
- Licensed & insured
Next step
Tell us about the job
Your name, your number and what needs doing. A person from Leto Plumbing & Heating, Inc. gets back to you.
Rather talk now?(815) 609-3150