Faucet Leaks Only When Water Is Running Not When Off: Running Water Leak Causes Explained
https://www.easybookmarkings.win/my-main-water-shutoff-valve-won-t-turn-anymore-what-to-know-about-stuck-shutoff-valve-issues
Running Water Leak Causes: Why Your Faucet Leaks Under Pressure As of April 2024, roughly 34% of homeowners report leaks that only happen when water is actively running, making this a surprisingly common but confusing plumbing problem