Opening an unexpectedly high water bill can be frustrating, especially when your household’s routine has not changed. While seasonal watering, guests and increased appliance use can raise consumption, a sudden or unexplained increase may point to a plumbing leak.
Some leaks are easy to spot. Others remain hidden behind walls, beneath floors or underground between the water meter and your Evansville home. These hidden leaks can waste water for weeks before visible damage appears.
According to the U.S. Environmental Protection Agency, the average household can lose more than 9,300 gallons of water each year through leaks. Fixing common household leaks may reduce water bills by approximately 10%.
Here are seven warning signs that your rising water bill may be caused by a hidden plumbing problem.
1. Your Water Bill Increased Without a Clear Reason
The first warning sign is often the bill itself.
Compare your current water usage with the same month from the previous year. This is generally more helpful than comparing September with August because water consumption can change with the seasons.
Consider whether anything else could explain the increase:
- Did you water the lawn more frequently?
- Did you fill a pool or hot tub?
- Were guests staying in your home?
- Did your family spend more time at home?
- Was the billing period longer than usual?
- Did your utility rates recently change?
If none of these factors explain the difference, a leak becomes a more likely possibility.
A gradual increase may indicate a toilet that runs intermittently, a deteriorating fixture or a small underground leak. A dramatic jump could point to a broken supply line, water heater problem or pipe failure.
2. Your Water Meter Moves When Everything Is Off
Your water meter can help you determine whether water is flowing when it should not be.
To perform a basic meter test:
- Turn off faucets, showers and outdoor spigots.
- Make sure the dishwasher and washing machine are not running.
- Stop irrigation systems and automatic water features.
- Check that no one uses water during the test.
- Record the meter reading.
- Wait approximately two hours and check it again.
The EPA advises that if the reading changes during a period when no water is being used, your home probably has a leak.
Some meters also have a small leak indicator that spins or moves as water flows. If it continues moving while every fixture is off, contact a plumbing professional.
Do not open or tamper with a utility-owned meter. If you cannot safely access or understand it, ask the utility or a qualified plumber for assistance.
3. A Toilet Runs, Refills or Flushes by Itself
Toilet leaks are among the most common reasons for unexplained water use. They can also be surprisingly quiet.
A worn flapper, faulty fill valve or improperly adjusted float can allow water to move continuously from the tank into the bowl. You may hear the toilet refill periodically even though no one has used it.
Try this simple test:
- Place several drops of food coloring in the toilet tank.
- Do not flush.
- Wait approximately 10 minutes.
- Check the toilet bowl.
If colored water appears in the bowl, water is leaking from the tank. Flush afterward to prevent staining.
The EPA notes that a worn toilet flapper can silently waste thousands of gallons over time. Replacing a flapper may be simple, but persistent toilet problems should be professionally evaluated.
4. You Notice Water Stains, Soft Spots or Musty Odors
Hidden pipe leaks often reveal themselves through changes in the surfaces around them.
Watch for:
- Yellow or brown stains on ceilings
- Bubbling, peeling or discolored paint
- Warped flooring
- Loose tiles
- Damp drywall
- Soft spots near sinks or tubs
- Musty odors in cabinets or closets
- Unexplained mold or mildew
A stain does not always appear directly beneath the source. Water can travel along pipes, framing and other building materials before becoming visible.
Moisture behind a wall can damage drywall, insulation, flooring and wood framing. It may also create conditions that support mold growth. If a damp area returns after being cleaned or dried, the source needs to be identified.
5. You Hear Water Running When No Fixture Is On
Your plumbing system should be relatively quiet when no one is using water.
Listen for dripping, hissing, rushing or trickling sounds, particularly at night when the house is quiet. Check areas near toilets, cabinets, water heaters, washing machines and exterior walls.
A faint sound could come from:
- A toilet fill valve
- A leaking faucet cartridge
- A pressurized supply-line leak
- Water moving behind a wall
- A damaged pipe beneath the floor
- A water heater valve or connection
Do not ignore a running-water sound simply because you cannot see moisture. Pressurized pipes can leak inside concealed spaces before the water reaches a visible surface.
6. Your Water Pressure Suddenly Drops
Low water pressure can have several causes, including mineral buildup, a partially closed valve, a utility issue or a failing pressure regulator. It can also indicate that water is escaping through a damaged supply line.
Pay attention to whether the pressure change affects:
- One faucet
- One room
- All hot-water fixtures
- The entire house
If only one fixture has weak flow, the problem may be a clogged aerator or localized valve issue. If pressure drops throughout the home, the cause may be farther upstream.
A sudden whole-house pressure change combined with an increased water bill deserves prompt attention. Hydromax provides external water service and sewer repair and can inspect, locate and repair damaged underground lines.
7. Part of Your Yard Is Unusually Wet or Green
A leaking underground water-service line may never create a puddle inside your home. Instead, the water may rise through the soil outside.
Possible signs include:
- A consistently soggy area in the yard
- Grass growing faster in one section
- An unusually green patch during dry weather
- Water collecting near the foundation
- Muddy soil when it has not rained
- Cracks or settling near a driveway or walkway
- The sound of water near the point where the service line enters the home
An underground leak can waste a significant amount of water while weakening soil around landscaping, pavement or the foundation.
Hydromax offers sewer and water line services for compromised underground pipes, including inspection, repair, excavation and trenchless solutions when appropriate.
Other Reasons Your Water Bill May Be Higher
A high bill does not always mean a hidden pipe has broken. Before assuming the worst, consider other sources of increased consumption.
Common causes include:
- A dripping faucet
- A leaking showerhead
- A malfunctioning water softener
- A water heater leak
- An outdoor spigot left partially open
- A damaged irrigation line
- A leaking refrigerator supply line
- More laundry or dishwasher cycles
- Seasonal lawn and garden watering
- A longer billing cycle
Even a visible drip can add up. The EPA reports that a faucet dripping once per second can waste more than 3,000 gallons in a year.
How a Plumber Finds a Hidden Leak
Finding a concealed leak involves more than looking for a wet spot. A plumber may begin by reviewing the home’s water usage, checking the meter and inspecting fixtures, shutoff valves, supply connections and exposed piping.
Depending on the location and symptoms, the investigation may also include:
- Pressure testing
- Fixture isolation
- Moisture detection
- Inspection of water heater connections
- Evaluation of toilets and appliance supply lines
- Assessment of the main water-service line
- Inspection of suspected underground piping
The goal is to identify the actual source before recommending a repair. This reduces unnecessary disruption and helps prevent the same problem from continuing.
A professional plumbing inspection can also identify aging pipes, high water pressure, corrosion and improper connections that may increase the risk of future leaks.
What Should You Do If You Find an Active Leak?
If water is actively entering your home, act quickly.
Shut Off the Water
Locate the home’s main water shutoff valve and turn it off if you can do so safely. If the leak is isolated to a toilet, sink or appliance, its individual shutoff valve may stop the flow.
Protect Electrical Safety
Do not enter standing water if it may be in contact with electrical outlets, appliances or wiring. If there is an electrical concern, contact the appropriate emergency professional.
Move Valuables
Remove furniture, electronics and other belongings from the affected area when it is safe to do so.
Call a Plumber
A damaged water line can release water quickly. Hydromax recommends shutting off the main supply and arranging professional busted water-line service as soon as possible.
Document the Damage
Photograph affected areas and keep repair records in case you need to contact your insurance provider or utility.
Why You Should Not Ignore a Possible Leak
A leak can cost more than the extra amount on your water bill.
Depending on its location, an unresolved leak may lead to:
- Damaged drywall and insulation
- Warped flooring or cabinetry
- Mold and mildew
- Structural deterioration
- Foundation or soil problems
- Reduced water pressure
- A sudden pipe failure
- Higher repair costs
A small leak is usually easier to address before it becomes a major plumbing emergency.
Schedule Leak Detection or Plumbing Repair in Evansville
If your water bill has increased and you cannot explain why, let an experienced plumber investigate.
Hydromax Services provides residential plumbing, water-line inspection and repair throughout Evansville, Newburgh, Boonville, Mount Vernon, Princeton and surrounding Southern Indiana communities. The company also provides 24/7 emergency service for burst pipes and other urgent plumbing problems.
Call (812) 925-3930 or schedule service online to have your plumbing system evaluated.
Frequently Asked Questions
The amount depends on the size and location of the leak. A dripping faucet may waste thousands of gallons annually, while a broken pressurized supply line can waste much more in a short period.
Yes. A toilet can leak silently from the tank into the bowl. The food-coloring test can help identify a faulty flapper or seal.
If the leak is on the metered side of the system, the reading may change even while all fixtures and appliances are off. Meter responsibilities vary, so contact your utility or a plumber if you are unsure.
Yes. Water escaping from a pressurized line may cause reduced pressure, although low pressure can have several other causes.
Contact the utility if you suspect a billing or meter issue or see water leaking on the utility side of the system. Contact a plumber when the suspected problem is within the home or on the property’s water-service line.
Coverage varies by policy and the cause of the damage. Some policies may cover sudden water damage but exclude gradual deterioration or the plumbing repair itself. Contact your insurance provider for details.
