Water leaks occur when water escapes from pipes, fixtures, or appliances, often leading to damage and increased water bills. Common sources of leaks include faucets, toilets, and water heaters. Identifying the source of a leak is crucial for timely repairs. Leaks can cause structural damage to buildings and promote mold growth, which can affect indoor air quality. Regular maintenance and inspections of plumbing systems can help prevent leaks and their associated problems. Homeowners should be vigilant for signs of leaks, such as damp spots, water stains, or unusual increases in water usage.