How to Detect Water Leaks– a Complete Guide for Homeowners

Water leaks are the silent enemies of homeowners. They can lurk unseen for months, causing significant damage to your property and wallet before you even realize they exist. Early detection is crucial to minimize the impact and prevent costly repairs.

This comprehensive guide will equip you with the knowledge and tools to become a water leak detective:

The Telltale Signs:

Water leaks often leave subtle clues before causing major damage:

  • Unexplained water damage: Blistering paint, warped floors, and a musty smell can indicate hidden moisture problems.

  • Mold growth: Damp environments behind walls or under floors are breeding grounds for mold, posing health risks.

  • Increased water bill: A sudden or unexplained spike in your water usage is a red flag that shouldn't be ignored.

  • Sounds of running water: When all faucets are off, listen for any dripping or running water sounds, especially near walls or under floors.

Visual Inspection:

Regularly inspect these areas for signs of leaks:

  • Under sinks and around appliances: Look for dampness, corrosion, or visible water damage.

  • Around toilets and showers: Check for loose connections, cracks, or water stains.

  • Basement or crawl space: Look for puddles, moisture, or mold growth.

  • Water meter: Monitor your water meter with all faucets off. Even a slight movement indicates a potential leak.

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A Widespread and Costly Threat to Homeowners:

  • Frequency:

    • Around 14,000 people in the US experience water damage every single day. (thisoldhouse.com)

    • 1 in 60 insured homes files a water damage claim each year. (rubyhome.com)

    • 98% of basements in the US will experience water damage at least once. (waterdamagedefense.com)

  • Cost:

    • The average insurance payout for water damage is a staggering $11,605. (rubyhome.com)

    • Water leaks alone waste over 1 trillion gallons of water annually in the US, equivalent to the combined water usage of Los Angeles, Chicago, and Miami.

Technological Assistance:

Modern technology offers powerful tools for leak detection:

  • Acoustic leak detectors: These devices amplify the sound of water flowing through pipes, helping pinpoint the leak's location.

  • Moisture meters: These instruments measure moisture levels within walls and floors, revealing hidden leaks.

  • Smart water leak detectors: These sensors monitor temperature, humidity, and water presence, sending real-time alerts to your smartphone if any irregularities are detected.

The Kangaroo Water+Climate Sensor: Your Guardian Against Hidden Leaks

For ultimate peace of mind in areas prone to leaks like basements, high-humidity zones, or under sinks, consider the Kangaroo Water+Climate Sensor. This innovative device:

  • Detects even the smallest leaks: With its ability to sense a mere 1mm of water, the Kangaroo Water+Climate Sensor catches leaks before they become major disasters.

  • Monitors temperature and humidity: Beyond leak detection, this sensor keeps an eye on your home's temperature and humidity levels, alerting you to potential problems like freezing pipes or excessive moisture that could lead to mold growth.

  • Sends instant alerts: Receive real-time notifications directly to your phone whenever the sensor detects a leak, extreme temperature changes, or concerning humidity levels.

  • Tool-free setup: Simply place the sensor on the floor or in the desired area – no plumbing or complicated installation required.


Owning a Kangaroo Water+Climate Sensor and subscribing to the Kangaroo Complete plan offers peace of mind beyond leak detection.

Water damage from a leak originating inside your home, in an area monitored by your Kangaroo Water + Climate Sensor, qualifies for damage reimbursement with your Protect plan.

Click here for more information: Kangaroo Coverage Claim

Taking Action:

If you suspect a leak, don't hesitate to take Immediate Action:

  • Shut Off the Main Water Supply: Locate the main water shut-off valve, typically near your water meter or outside your home. Turn it clockwise to stop the water flow. If unsure, consult your home inspection report or call your local water utility company.

  • Call a professional plumber: A qualified plumber can accurately diagnose the leak's source and provide the necessary repairs, including plumbing the necessary pipes, replacing faulty faucets, or fixing leaky valves.

  • Emergency Services (if necessary): If the burst pipe poses an immediate threat to life or property (e.g., flooding, electrical hazard), call your local emergency services (e.g., 911).

Secondary Contacts:

  • Local Water Utility Company: Report the burst pipe to your water company. They may be able to provide additional guidance or shut off the water supply remotely. You can usually find their contact information online or on your water bill.

  • Your Homeowner's Insurance Company: If the pipe burst caused significant damage to your property, you may need to file a claim with your insurance company.

Prevention is Key:

While leak detection is essential, preventing leaks in the first place is even better:

  • Regular maintenance: Inspect pipes, hoses, and pipe joints for signs of wear and tear.

  • Address potential issues: Promptly fix dripping faucets and loose connections.

  • Insulate pipes: In colder climates, insulate exposed pipes to prevent freezing and potential bursts.

By being proactive and utilizing the tips and tools outlined in this guide, you can become a vigilant homeowner, equipped to detect and address water leaks before they wreak havoc on your property. Remember, early detection is key to saving money, minimizing water use (every gallon counts!), and maintaining a healthy and safe home environment.

Additional Tips:

  • Regularly inspect your dishwasher, washing machine, and other water-using appliances for leaks.

  • Consider a professional leak detection service if you suspect a hidden leak.

  • Regularly monitor your water meter for any unusual changes in water usage.

  • Be mindful of any unexplained puddles or wet spots around your home.

With a little vigilance and the right tools like the Kangaroo Water+Climate Sensor, you can outsmart water leaks and protect your home from their costly consequences.

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