The answer to 'pressure regulator leaking water' is that a leaking pressure regulator is a common plumbing issue that can be caused by a variety of factors, including wear and tear, mineral buildup, or a faulty component. Symptoms may include water leaking from the regulator itself or from nearby pipes and fittings.
In many cases, the issue can be resolved by a simple DIY repair, such as tightening the connections or replacing the regulator's internal components. However, if the problem persists or if you're not comfortable working on the plumbing system, it's best to call a professional plumber to diagnose and fix the issue. They can inspect the entire system, identify the root cause, and provide a long-term solution to prevent future leaks.