How to identify common plumbing leaks. A home with plumbing leaks can lose over 70,000 gallons of water each year – that’s enough water to fill a basketball court two feet deep! Toilets are the most common sources of household leaks, although leaks can also occur in faucets, irrigation systems, or even a home’s main water service line. While most plumbing leaks can be easily repaired by a homeowner, they often go unnoticed and can waste thousands of gallons of water per month. 更多