Should I Turn Water Off?

When It Makes Sense

• Good fit: You own an older home with aging pipes and plan to be away for two weeks or more. Shutting off the main valve reduces the chance of a burst pipe caused by undetected leaks or freezing temperatures.
• Good fit: Your vacation coincides with a season of extreme cold or heat in your area, and you have no reliable remote monitoring system. Turning the water off eliminates the risk of a frozen pipe or a pipe swelling from excessive heat.

When You Should Avoid It

• Warning sign: You rely on an automatic irrigation system that requires water pressure to function correctly, and you have no way to manually activate it while away. Turning off the water would leave your lawn and garden unwatered.
• Warning sign: You have a medical device (e.g., home dialysis machine) or resident who needs a steady water supply, making a shut‑off impractical without arranging alternative accommodations.

Pros and Cons

Pros

• Minimizes the financial impact of a leak or burst pipe, which can run into thousands of dollars in damage and repairs.
• Reduces water waste and the associated environmental footprint, especially valuable in regions experiencing drought.

Cons

• Inconvenient if you need to use water for short, unexpected visits, such as a quick stop‑over or a last‑minute emergency return.
• Potential for frozen pipes in colder climates if the shut‑off is not accompanied by proper pipe insulation or temperature control.

Decision Checklist

• How long will you be away, and does the duration increase the likelihood of a pipe‑related incident?
• Do you have critical water‑dependent systems (irrigation, medical, pet care) that cannot be easily disconnected?
• Is your home’s plumbing up‑to‑code and in good condition, or does it need preventive maintenance before a prolonged shutdown?

Alternatives to Consider

Instead of a full shut‑off, you might install a smart water‑monitoring device that alerts you to leaks in real time, allowing you to act quickly. Another option is to lower the water pressure to a minimal safe level, reducing stress on pipes while still supplying essential fixtures. For homes prone to freezing, adding pipe insulation or using a low‑temperature thermostat can mitigate risk without cutting off water entirely.

Final Recommendation

Turning off the water is a prudent choice for extended trips (typically two weeks or more) in homes with older plumbing or in regions with extreme temperatures, provided you have no essential water‑dependent needs. If your stay is brief, or you rely on water for irrigation, medical equipment, or pets, consider alternative risk‑reduction strategies such as leak detectors, pressure reducers, or temporary pipe insulation. When in doubt, consult a licensed plumber to assess your specific setup and ensure any shut‑off is performed safely.