Why Is My Water Bill So High?
Your Sprinkler System May Be Wasting More Water Than You Realize
Opening your water bill and seeing a sudden increase can be frustrating, especially if you’re wondering why your water bill is so high. A water bill so high often points to hidden plumbing leaks, irrigation issues, or changes in household water usage that should be addressed promptly.
If your water usage hasn’t changed inside your home, your irrigation system may be the reason.
Many sprinkler problems develop slowly and go unnoticed for weeks or even months before homeowners realize something is wrong.
The good news?
Most causes of unusually high water bills can be identified with a systematic inspection of your irrigation system.
Our goal is to help you understand what’s happening before deciding what to do next.
Symptoms At A Glance
What You're Seeing
Possible Cause
Water bill suddenly doubled |
Water bill slowly increasing over several months |
Constant wet area in the yard |
Sprinklers running when they shouldn’t |
One area of the lawn stays muddy |
Water running into the street |
Healthy grass in one small area |
Main line leak |
Small underground leak |
Main line leak |
Controller programming or valve issue |
Underground leak |
Broken sprinkler head or pipe |
Hidden underground leak |
Not every high water bill comes from inside your home.
Your irrigation system may be using water without you realizing it.
The Most Common Causes Of A High Water Bill
1. Main Line Leak
This is one of the most common causes we find.
Because the main line remains under pressure 24 hours a day, it can leak continuously—even when your sprinkler controller is turned off.
Many homeowners don’t notice the leak until their water bill arrives.
2. Underground Lateral Line Leak
Leaks after the sprinkler valve usually occur only while the affected zone is watering.
Because they’re underground, they can go unnoticed for a long time.
3. Sprinkler Valve Stuck Open
If a valve isn’t closing completely, water may continue flowing through part of the system after the watering cycle ends.
4. Controller Programming
Sometimes nothing is actually broken.
The controller may simply be watering too frequently, running too long, or have incorrect seasonal settings.
5. Broken Sprinkler Heads
A cracked sprinkler head or broken nozzle can waste hundreds of gallons of water each week.
Some leaks are obvious.
Others are much harder to notice.
6. Poor Sprinkler Coverage
Inefficient sprinkler patterns often cause homeowners to water longer than necessary, increasing water usage without improving lawn health.
Safe Things You Can Check Yourself
Before scheduling service, here are a few things you can safely inspect.
✔ Look for wet or muddy areas.
✔ Watch your sprinkler system while it’s running.
✔ Check whether water is flowing into the street.
✔ Look for unusually green patches of grass.
✔ Review your controller’s watering schedule.
✔ Compare this month’s bill to previous months.
These observations help narrow down the possible cause.
Why Small Leaks Are a Reason for Water Bill So High?
Many irrigation leaks are surprisingly easy to miss.
A leak doesn’t have to create a geyser to waste water.
Even a slow underground leak can waste thousands of gallons over time.
Finding the source early often saves significantly more than the cost of the repair.
What’s Included In The Whale Done Assessment™?
The Whale Done Assessment™ is our comprehensive sprinkler system assessment designed to identify irrigation problems, explain your options, and help you make the right decision before repairs begin.
During your assessment we’ll:
✔ Inspect your entire irrigation system.
✔ Check for visible and hidden leaks.
✔ Evaluate sprinkler coverage.
✔ Test valves and electrical components.
✔ Review controller programming.
✔ Verify system pressure.
✔ Explain everything we find in plain English.
✔ Review transparent pricing before any work begins.
✔ Complete approved repairs whenever possible during the same visit.
Before We Arrive
After scheduling your assessment, you’ll receive:
✔ Appointment confirmation by text and email.
✔ A reminder before your appointment.
✔ A text approximately 30 minutes before your technician arrives.
You’ll always know what to expect.
$99 Investment
Applied Toward Approved Repairs
Frequently Asked Questions
Can a sprinkler leak cause a high water bill?
Yes.
In fact, hidden irrigation leaks are one of the most common reasons homeowners experience unexpectedly high water bills.
Can a small sprinkler leak waste a lot of water?
Absolutely.
Even a slow leak can waste thousands of gallons over time.
Why is only one area of my lawn unusually green?
That often indicates an underground irrigation leak providing extra water to that section of the yard.
Should I wait until the next water bill?
Usually not.
The sooner a leak is identified, the less water is wasted and the less likely additional damage becomes.
How much does it cost to diagnose a sprinkler problem?
The Whale Done Assessment™ is a $99 investment, and that amount is applied toward approved repairs.
Related Resources
Whale Done Sprinkler & Irrigation
Ready To Find Out Where Your Water Is Going?
Don’t guess.
Schedule your Whale Done Assessment™ and let one of our licensed irrigation professionals identify the cause, explain your options, and help you make the right decision for your home.
$99 Investment • Applied Toward Approved Repairs
Or call (469) 384-7767 to speak with our team.
