How to Spot Hidden Water Leaks

Plumbing pros in Vancouver, BC, explain how high water bills and physical clues may point to water leaks.

Burnaby, Canada – February 27, 2026 / Lambert Plumbing & Heating, LTD /

Signs to Call for Water Leak Detection and Repair

Undetected water leaks pose a significant threat to a property, potentially leading to costly water damage, higher water bills, mold, and even compromising the home’s structural integrity. So, it’s crucial to call for prompt water leak detection and repair at the first sign of a leak. This post shares some easy ways to catch water leaks, allowing homeowners to call for immediate water leak repair to mitigate potential damage and unnecessary expenses.

High Water Bills

Monitoring monthly utility statements is one of the easiest ways to spot a water leak, as an unexpectedly high water bill indicates a leak. While seasonal changes in water usage or increased water usage from tasks like using garden hoses more can account for increased water costs, an unexplained spike in monthly water expenses is a critical red flag that a leak exists and needs immediate attention.

A professional plumber can accurately pinpoint the leak’s location and perform the necessary leak repair, leading to lower future water bills and substantial savings. Ignoring this, or any other sign of a leak, will only result in more wasted money and increase the risk of extensive water damage.

More Signs of a Leak

leak Some additional signs that point to a water leak include a drop in water pressure from plumbing fixtures like showerheads and faucets, the sound of running, dripping, or trickling water when all appliances and fixtures are off, mold growth, a persistent musty odor, and water damage.

Water damage may appear as water stains and discoloration, peeling or bubbling paint and wallpaper, warped or damaged flooring, and soft spots in walls, floors, or ceilings that can feel spongy or soft to the touch. Noticing water damage or other signs of a water leak should prompt an immediate call for water leak detection and repair.

Use the Water Meter

Homeowners can perform a simple check to help determine whether they have a water leak by using their property’s water meter. Before taking a reading from the water meter, it is crucial to ensure that every water-using fixture and appliance, both inside and outside the house, are turned off, including sprinkler systems, washing machines, and dishwashers.

Once no water is being used, locate the water meter and carefully record the current reading. Then refrain from using any water for a defined period, such as an hour or two. After that period, check the meter reading again, and if it has increased, it indicates a water leak. Additionally, many water meters feature a small leak-detection mechanism, often shaped like a tiny gear, triangle, or star-like wheel. If this leak indicator wheel is rotating while no water is being used, it also signals a leak.

About Lambert Plumbing & Heating, LTD

Lambert Plumbing & Heating, LTD has more than four decades of experience serving the Vancouver area. They provide 24/7 emergency service, upfront pricing, and clean, respectful technicians. Call them for emergency plumbing services and water leak repair in Vancouver, BC.