Why Is My Water Bill So High?

10 Common Reasons You May Be Paying More Than You Should

Have you opened your water bill and wondered, "How did it get this high?"

If your family's water habits haven't changed, a sudden increase in your bill usually means something is wasting water—sometimes without you even realizing it.

Here are the most common reasons your water bill may be higher than normal.

1. A Running Toilet

This is one of the biggest water wasters in any home.

A toilet that continues running after you flush can waste hundreds of gallons of water every day. Often, the problem is as simple as a worn flapper or fill valve, but if left alone, it can significantly increase your monthly bill.

Quick Check: Put a few drops of food coloring in the toilet tank. If the color appears in the bowl without flushing, your toilet is leaking.

2. A Hidden Leak

Not all leaks leave puddles.

A small leak behind a wall, under a floor, or underground can go unnoticed for weeks or even months while your water meter keeps spinning.

Signs include:

• Damp spots

• Musty odors

• Water stains

• Lower water pressure

• An unusually high water bill

3. A Dripping Faucet

It doesn't seem like much, but those constant drips add up.

A faucet dripping once every second can waste thousands of gallons of water each year.

4. An Irrigation System Problem

Sprinkler systems are a common cause of high summer water bills.

Broken sprinkler heads, underground leaks, or timers that run too often can waste an incredible amount of water before anyone notices.

Walk around your yard while the system is running and look for:

• Water pooling

• Broken spray heads

• Areas that stay unusually wet

5. Seasonal Water Use

Sometimes the answer is simple.

During warmer months, many homeowners use more water by:

• Filling pools

• Watering gardens

• Washing cars

• Power washing

• Kids playing with sprinklers

Even a few extra outdoor activities can noticeably increase your bill.

6. An Aging Water Heater

If your water heater has a slow leak or isn't operating efficiently, it may use more water and energy than necessary.

Watch for:

• Rust around the base

• Water collecting underneath

• Popping or rumbling noises

• Inconsistent hot water

7. More People in the House

Guests staying for a week?

Kids home from college?

Even one extra person can noticeably increase water usage through showers, laundry, dishes, and toilet flushing.

8. Appliances Using More Water

Older washing machines and dishwashers generally use much more water than today's high-efficiency models.

If your appliances are 15–20 years old, they could be contributing to higher water bills every month.

9. Your Water Meter May Be Telling the Story

One of the easiest ways to check for a leak is by using your water meter.

Turn off every faucet, appliance, and fixture that uses water. Then look at the meter.

If it's still moving, water is flowing somewhere—and there's a good chance you have a leak.

10. The Water Company Raised Rates

Sometimes the increase has nothing to do with your plumbing.

Municipal water suppliers occasionally adjust their rates, so compare your current bill to previous months to see whether your usage increased or just the price.

What Should You Do Next?

If your water bill suddenly jumps and you can't explain why, don't ignore it.

A small plumbing problem today can become a much larger repair later—not to mention the money lost through wasted water.

At Barretta Plumbing, Heating & Cooling, we've been helping South Jersey homeowners solve plumbing problems since 1896. Whether it's a hidden leak, a running toilet, or something more complex, our experienced technicians can help identify the cause and recommend the right solution.

Not Sure Where to Start?

Before calling, try these three quick checks:

✅ Make sure every faucet is completely off.

✅ Listen for a running toilet.

✅ Check your water meter when no water is being used.

If everything appears normal but your bill is still unusually high, it may be time for a professional inspection.

Have questions?

Give Barretta Plumbing, Heating & Cooling a call. We're always happy to help homeowners understand what's happening—and we'll never recommend work you don't need.