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    October 12, 2023
    James T.
    5 min read

    10 Signs You Have a Hidden Water Leak

    Plumbing

    Water leaks aren't always obvious. Learn the subtle signs that could indicate a hidden leak behind your walls or under your floors, and save yourself from costly water damage.

    1. Unexplained Spikes in Your Water Bill

    If your water usage habits haven't changed but your bill has suddenly skyrocketed, a hidden leak is the most likely culprit. Even a small continuous leak can waste thousands of gallons over a billing cycle.

    2. The Sound of Running Water

    Do you hear a faint hissing or running water sound when all taps and appliances are turned off? This is a classic sign of water escaping from a pressurized pipe somewhere in your home.

    3. Musty Odors

    Old, accumulated water from a slow leak provides the perfect environment for mold and mildew. If you notice a persistent musty smell that doesn't go away with cleaning, there might be a leak nearby.

    Expert Tip

    You can perform a simple check using your water meter. Turn off all water inside and outside your house. Check the meter, wait two hours without using any water, and check again. If the reading has changed, you have a leak.

    What to Do Next

    If you suspect a hidden leak, don't wait for it to get worse. Water damage can compromise your home's structural integrity and lead to severe mold issues. Contact a professional plumber who has specialized leak detection equipment to locate and fix the issue without unnecessary damage to your property.

    Suspect a leak?

    Our experts use non-destructive thermal imaging to find hidden leaks fast.

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