How to Find and Test Your Main Water Shutoff
Your main water shutoff is most useful when you find, label, and test it before a leak becomes an emergency. Start where the water service line enters the home, identify the correct household valve, close it gently, and verify the result by opening a faucet. If the valve is stuck, badly corroded, or does not actually stop the water, arrange service before you need it urgently. Table of Contents Choose the smallest valve that can control the leak Where to look for the main water shutoff Do not confuse the house valve with the meter valve Identify the valve type before you test it How to test the main shutoff What the water meter can tell you Label the valve so anyone can find it quickly Be especially careful with fire-sprinkler systems How to turn the water back on What to do if the valve is stuck or does not stop the water Use the main shutoff during an actual leak Common mistakes to avoid A practical pre-emergency checklist FAQ Key takeaways Sources The househ...