Shutting Off Your Water Supply Stops Most Pipe Leak Damage Within Minutes
https://precisionemergencyplumberla9998.quillnesty.com/posts/excessive-pressure-damage-spreads-beyond-your-toilet-to-the-entire-plumbing-system
A leaking pipe demands immediate action, but the urgency depends on where you shut off the water first. The moment you discover a leak, your priority is closing the main water shutoff valve or the isolation valve nearest the problem