The answer to 'why is my water line frozen' is that the water line running from the main water supply to your home has become frozen, likely due to cold temperatures. This is a common issue during winter months, especially in areas that experience freezing temperatures.
Some common causes of a frozen water line include inadequate insulation, drafty areas around the pipe, and exposure to cold air. Symptoms may include reduced or no water flow, frozen pipes, and potentially burst pipes if the ice expands. Solutions can include insulating the pipes, using heat tape or lamps to thaw the line, or calling a professional plumber to safely address the issue.