Should I Turn Off Water While On Vacation?

When It Makes Sense

• Good fit: You own an older home with aging pipes or a history of leaks, and you will be away for a week or more. Shutting off the main valve reduces the risk of water damage that could occur while you’re not there to notice it.
• Good fit: Your vacation coincides with extreme weather forecasts (freezing temperatures or heavy storms) in an area where a burst pipe would be especially destructive. Turning off water and draining the system can protect against freeze‑break or flood damage.

When You Should Avoid It

• Warning sign: You rely on water‑connected appliances (e.g., a refrigerator with an ice maker, a sump pump, or an automatic aquarium system) that could be damaged or cause problems if the supply is abruptly cut.
• Warning sign: Your home uses a water‑softener or filtration system that requires regular water flow to prevent bacterial growth; turning off water for several days may create hygiene concerns.

Pros and Cons

Pros

• Reduces the likelihood of a burst pipe or leak causing expensive water‑damage while you’re away.
• Potentially lowers water usage and utility costs for the period you are absent.

Cons

• Inconvenience when you return—certain fixtures may need to be flushed, and appliances may require resetting.
• If not done correctly, turning off the water can introduce air into the lines, cause pressure spikes, or damage sensitive equipment.

Decision Checklist

• Do you have any water‑dependent devices that need continuous operation, and can they be safely disconnected?
• Is your plumbing system old, previously leaky, or located in a climate that increases the risk of pipe failure?
• Have you located the main shut‑off valve and verified that you can close it without causing other issues (e.g., loss of pressure to fire‑suppression systems)?

Alternatives to Consider

Instead of a full shut‑off, you might install a leak‑detection valve that automatically stops flow when a leak is detected. Another option is to leave the water on but lower the pressure using a pressure‑reducing valve, or to set the thermostat low enough that frozen‑pipe risk is minimal. If you have a reliable neighbor or property‑manager, they can periodically check for leaks while you’re away.

Final Recommendation

For most homeowners, especially those with older plumbing or traveling for an extended period, turning off the main water supply is a prudent precaution, provided you understand how to restart the system safely. If your home relies heavily on continuous water service or you lack confidence in handling the shut‑off, consider leak‑detection devices or a trusted caretaker instead. When in doubt, consult a licensed plumber to assess your specific situation.