Failing to winterize plumbing can lead to frozen or burst pipes, resulting in significant water damage and expensive repairs. Outdoor faucets and hoses are especially prone to freezing, which can cause pipes to rupture. Uninsulated pipes in unheated areas are at the highest risk. Additionally, poorly maintained water heaters may fail to provide hot water during peak winter demand. Homeowners in colder climates are most affected, but even those in warmer regions should take precautions to avoid unexpected cold snaps. Proper winterization minimizes these risks and ensures a functional plumbing system throughout the season.