Low water pressure is one of the most common plumbing complaints among homeowners in Reno, Nevada. One day, you turn on the shower expecting a steady stream, but instead you get a weak trickle. Filling your sink takes longer than usual, and running two fixtures at the same time makes the problem even worse.
Low water pressure can occur for several reasons, from mineral buildup caused by Northern Nevada’s hard water to hidden plumbing leaks or aging pipes. While some issues are simple to fix, others may require a licensed Reno plumber to inspect the system and identify the root cause.
Below are the most common reasons Reno homeowners experience low water pressure and what you can do to restore proper water flow.
What Is Considered Low Water Pressure in a Home?

Most residential plumbing systems operate best when water pressure stays between 40 and 80 PSI (pounds per square inch). When pressure drops below that range, it becomes noticeable during everyday activities like showering, washing dishes, or doing laundry.
Low pressure can affect comfort, increase appliance wear, and make basic household tasks more difficult.
Signs Your Water Pressure Is Too Low
Some of the most common symptoms include:
- Weak shower flow
- Faucets taking a long time to fill sinks or pots
- Washing machines running longer than usual
- Water pressure dropping when multiple fixtures are used
- Inconsistent pressure throughout the home
If you are experiencing one or more of these issues, the cause is likely somewhere in your plumbing system. A Reno plumbing inspection can help identify the exact problem.
7 Common Causes of Low Water Pressure in Reno Homes
Low water pressure usually comes from a specific plumbing issue. Identifying the cause is the first step toward fixing the problem.

1. Hidden Plumbing Leaks
Leaks are one of the most serious causes of low water pressure. When water escapes through cracks or damaged pipes, less water reaches your fixtures.
Leaks may occur:
- Behind walls
- Under flooring
- In underground pipes
- Around pipe connections
Besides reducing pressure, leaks can also increase your water bill and cause property damage if left untreated.
Professional leak detection services in Reno can locate hidden plumbing leaks and prevent further damage to your home.
2. Mineral Buildup From Hard Water

Reno and much of Northern Nevada have hard water, meaning the water contains high levels of minerals like calcium and magnesium.
Over time, these minerals accumulate inside pipes, valves, and fixtures. This buildup gradually narrows the pipe diameter, restricting water flow and reducing pressure.
You may also notice:
- White mineral deposits on faucets
- Reduced flow in older plumbing systems
- Showerheads clogging frequently
Many Reno homeowners install water softener systems to reduce mineral buildup and protect their plumbing systems.
3. A Faulty Pressure Regulator
Many homes have a pressure regulator, also called a pressure reducing valve (PRV), installed where the main water line enters the home.
This device controls water pressure coming from the city supply. When it fails, pressure may become either too high or too low.
Signs of a failing regulator include:
- Sudden drop in pressure throughout the house
- Fluctuating pressure levels
- No improvement after cleaning fixtures
A Reno plumbing professional can test the pressure regulator and replace it if necessary.
4. Partially Closed Shut-Off Valves
Sometimes the solution is surprisingly simple. If your main shut-off valve or water meter valve is partially closed, it can restrict the flow of water entering your home.
This can happen after:
- Plumbing repairs
- Water heater replacement
- Utility maintenance work
Checking that both valves are fully open can sometimes restore water pressure immediately.
5. Aging or Corroded Pipes

Older homes in Reno may still have galvanized steel pipes, which are known to corrode internally over time.
As corrosion builds up, the inside of the pipe becomes narrower, slowing down water flow and lowering pressure.
Signs of pipe corrosion include:
- Rust-colored water
- Reduced pressure in certain areas of the home
- Frequent plumbing repairs
In severe cases, repiping services may be necessary to restore normal water pressure.
6. Municipal Water Supply Issues
Sometimes the issue is not inside your home at all. City water supply problems can temporarily reduce pressure across an entire neighborhood.
Common causes include:
- Water main repairs
- Municipal maintenance work
- High water demand during peak hours
If several homes in your Reno or Sparks neighborhood are experiencing the same issue, the municipal water supply may be responsible.
7. Clogged Faucets or Showerheads

Mineral deposits can also clog faucet aerators and showerheads.
This is one of the easiest issues to fix and usually affects a single fixture rather than the entire home.
Removing the aerator and cleaning out mineral buildup can often restore normal water flow.
Why Low Water Pressure Is Common in Reno Homes
Several regional factors contribute to plumbing issues in Reno.
Hard Water in Northern Nevada
The water supply in the Reno and Truckee Meadows area contains significant mineral content. While safe to drink, this mineral-rich water can gradually build up inside pipes and plumbing fixtures.
Over time, this buildup restricts water flow and reduces pressure.
Older Plumbing Systems
Some neighborhoods in Reno contain older homes with aging plumbing systems. Corroded pipes and outdated plumbing fixtures are more likely to experience pressure issues.
Seasonal Water Usage
During the summer months, outdoor irrigation systems and increased water usage can temporarily affect water pressure in certain Reno neighborhoods.
How to Fix Low Water Pressure in Your Reno Home

The right solution depends on what is causing the problem.
Simple Fixes Homeowners Can Try
Before calling a plumber, you may want to check a few things:
- Clean faucet aerators and showerheads
- Make sure shut-off valves are fully open
- Test pressure at multiple fixtures
- Check whether neighbors have the same issue
Sometimes the problem can be resolved with a quick cleaning or adjustment.
When Plumbing Repairs Are Needed
If the issue persists, professional plumbing repairs may be required.
Common solutions include:
- Leak detection and pipe repair
- Replacing damaged pressure regulators
- Clearing mineral buildup from pipes
- Repiping older plumbing systems
A licensed Reno plumber can perform a full plumbing inspection to locate the exact cause of the pressure loss.
Get Professional Help for Low Water Pressure in Reno

Low water pressure may seem like a minor inconvenience, but it often signals an underlying plumbing problem. Addressing the issue early can prevent more serious damage and restore normal water flow throughout your home.
If you’re experiencing weak water pressure, unusual fluctuations, or signs of a leak, a professional plumbing inspection can help determine the cause.
Hawthorne Plumbing, Heating & Cooling provides expert plumbing services for homeowners throughout Reno and the surrounding areas. From leak detection to pipe repairs and pressure regulator replacement, experienced technicians can identify the problem and recommend the best solution.
Scheduling a professional inspection is the fastest way to restore reliable water pressure in your home.
FAQs About Low Water Pressure in Reno
A sudden drop in water pressure is often a sign that something has changed in your plumbing system. Common causes include hidden plumbing leaks, a failing pressure regulator, clogged pipes, or a temporary issue with the municipal water supply serving your neighborhood. If the pressure drop happens suddenly or affects the entire home, it’s usually best to have the plumbing system inspected to identify the exact cause.
Yes. Hard water contains minerals such as calcium and magnesium that can accumulate inside plumbing pipes, valves, and fixtures over time. This mineral buildup, often called scale, can gradually narrow the inside of pipes and restrict water flow. As the deposits increase, water pressure may slowly decrease throughout the home.
A plumber typically begins by performing pressure tests to determine whether the issue is caused by the home’s plumbing system or the municipal water supply. They may also inspect pipes, fixtures, and pressure regulators or use leak detection equipment to identify hidden leaks. Depending on the cause, repairs may include fixing leaks, replacing faulty pressure regulators, removing mineral buildup, cleaning clogged fixtures, or replacing aging pipes.
A water pressure booster system can help increase pressure if your home consistently receives low pressure from the municipal water supply. However, it is important to identify the underlying cause first. In many cases, low pressure may be caused by clogged pipes, plumbing leaks, or faulty pressure regulators. A Hawthorne PHC professional plumbing inspection can determine whether a booster system is necessary or if another repair will resolve the issue.





