What’s Causing That High Water Bill? Common Plumbing Leaks to Check

May 5, 2025

What’s Causing That High Water Bill? Common Plumbing Leaks to Check


What’s Causing That High Water Bill? Common Plumbing Leaks to Check


Posted by Phoenix Plumbing CO | Call 602-834-1208


Nobody likes getting a high water bill—especially when you haven’t changed your habits. If you’re using the same amount of water but your bill has jumped, there’s a good chance you’ve got a hidden plumbing problem.


Leaks can go unnoticed for weeks or even months, quietly driving up your water usage and costing you money. At Phoenix Plumbing CO, we help homeowners in the Valley find and fix plumbing leaks quickly and affordably. In this post, we’ll show you where to look, what to watch for, and when to call a professional.




Check These Common Places for Hidden Leaks


Most plumbing leaks don’t happen where you can see them. Here are a few spots you should check first:



1. Toilets That Keep Running


Even a slow, silent toilet leak can waste over 100 gallons of water a day. To test it:


  • Remove the tank lid
  • Add a few drops of food coloring
  • Wait 10–15 minutes
  • If the color shows up in the bowl, you’ve got a leak—and it’s time for a flapper replacement.



2. Dripping Faucets


A small drip can add up to big waste. One faucet dripping once per second can waste over 3,000 gallons of water in a year. Fixing it may be as simple as tightening a washer or replacing a worn-out cartridge.



3. Hot Water Heater Leaks


Water around the base of your heater or rust-colored water from your faucets could be signs of a leak. Small leaks can quickly become big ones, especially if your tank is aging or corroding.

👉 Visit our water heater repair phoenix az page to learn more.



4. Irrigation or Outdoor Spigot Leaks


Underground sprinkler lines or loose hose bibs can waste tons of water without you realizing it—especially in the Phoenix heat when lines are under pressure. Check your yard for soft, soggy spots or unusually high outdoor water use.


How Can You Tell If You Have a Leak?


One of the best ways to check is by watching your water meter. Here’s how:


  • Turn off all faucets and appliances that use water
  • Look at the water meter and take note of the reading
  • Wait one hour without using any water
  • Check the meter again


If the reading has changed, you probably have a leak somewhere.


You can also check your water bill history. Most utilities offer usage comparison graphs online. If one month is way higher than others, it’s a red flag.


Why Fixing Leaks Fast Matters


Even small leaks can:


  • Waste thousands of gallons of water
  • Cause mold and mildew growth
  • Damage walls, flooring, or foundation
  • Lead to bigger, more expensive repairs down the line


In some cases, plumbing leaks can also cause slab leaks, which affect the concrete foundation of your home. These are much more expensive and disruptive to repair.


That’s why early detection and fast action is key.


Let Phoenix Plumbing CO Help


At Phoenix Plumbing CO, we specialize in accurate, non-invasive leak detection and fast repairs. Whether the issue is inside your wall, under your floor, or out in your yard, we have the tools and training to find it and fix it the right way.


Our licensed plumbers offer:


  • Full leak detection and repair phoenix services
  • Same-day appointments when available
  • Upfront pricing and honest advice
  • Respectful service in clean uniforms
  • Guaranteed workmanship backed by experience


Still Not Sure if You Have a Leak? Here’s What to Do:


  1. Do a quick meter test
  2. Check your toilets, faucets, and visible pipes
  3. Look at past water bills for sudden spikes
  4. Call 602-834-1208 to schedule leak detection with our team



Phoenix Plumbing CO – Helping You Save Water, Money, and Stress.


Leaks don’t go away on their own. Let us help you stop the drip before it becomes a disaster.

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