Green Thumb Local March 1, 2022 Residential plumbing Basic Home Maintenance: How to Spot Potential Plumbing Leaks Green Thumb Local March 1, 2022 Residential plumbing An undetected or unaddressed leaking pipe not only wastes water but can also ramp up a hefty water bill or, even worse, cause extensive damage to your home. The most common leaks arise from worn toilet flappers, leaking valves, or dripping faucets.