The answer to 'sink leaking water' is that a sink can leak for several common reasons, including a worn-out or damaged sink gasket, loose drain pipe connections, or cracks in the sink basin. Symptoms may include water pooling under the sink, dripping noises, or water stains on the cabinet or floor.
For minor leaks, homeowners can often fix the problem themselves by tightening connections, replacing washers, or resealing the sink. However, if the leak is severe or the cause is unclear, it's best to call a professional plumber to diagnose and repair the issue properly.