Jun 29, 2026

Why Low Water Pressure Happens and What You Can Do About It

Few things are more frustrating than turning on a faucet or stepping into the shower only to find a weak stream of water.

Few things are more frustrating than turning on a faucet or stepping into the shower only to find a weak stream of water. Low water pressure is a common plumbing issue for homeowners, and while it may seem like a minor inconvenience, it can often point to a larger plumbing problem that needs attention.

Understanding the common causes of low water pressure can help you determine whether it's a simple fix or time to call a professional plumber.

Mineral Buildup in Fixtures

One of the most common causes of low water pressure is mineral buildup inside faucets and showerheads. Over time, minerals naturally found in water can collect inside small openings, restricting water flow.

Removing and cleaning the aerator or showerhead can often restore normal water pressure. If buildup is severe, replacing the fixture may be the best solution.

Hidden Water Leaks

A leak somewhere in your plumbing system can reduce water pressure throughout your home. Even a small leak behind a wall or beneath your foundation can affect water flow while also increasing your monthly water bill.

If you've noticed lower pressure along with damp spots, mold growth, or unexplained increases in your water bill, it's important to have your plumbing system inspected.

Aging Pipes

Older homes often have galvanized steel pipes that naturally corrode over time. As corrosion builds inside the pipes, the available space for water becomes smaller, reducing pressure throughout the home.

Replacing aging pipes not only restores water pressure but also improves overall plumbing reliability and water quality.

Partially Closed Valves

Sometimes the solution is surprisingly simple. If your home's main shutoff valve or water meter valve isn't fully open, it can significantly reduce water pressure.

A professional plumber can inspect your system to ensure all valves are operating properly.

Municipal Water Supply Issues

Occasionally, the problem isn't inside your home at all. Water main repairs, maintenance work, or increased community demand can temporarily reduce pressure.

If your neighbors are experiencing similar issues, your local water provider may already be working to resolve the problem.

When to Call JB Runyan Plumbing

While some low-pressure issues have simple solutions, others require professional diagnosis and repair. Our experienced team can identify the source of the problem and recommend the most effective solution, whether it's repairing a leak, replacing damaged pipes, or restoring your plumbing system's performance.

If you're experiencing low water pressure in your home or business, don't ignore the warning signs. Contact JB Runyan Plumbing for dependable service throughout Southwest Oklahoma and let us help restore your plumbing to peak performance.

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