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Yes. Water service lines can freeze when the ground frost gets deep enough to encase your service line in ice. However, this generally happens only when your service line is less than five fee below the surface of the ground.
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Generally, when a pipe that feeds a certain fixture such as a shower, sink, or toilet freezes, you will not be able to get water from that fixture.
When water freezes within a pipe, the volume of water expands. The same amount of water takes up more space as a solid than as a liquid. This causes the pipes to expand and possibly break at a weak point. You may notice this immediately, or it may not become apparent until the pipe begins to thaw, with the break occurring only when full water pressure is restored.
The water service line is the pipe that connects to the City's water main in the street to your home. This line has valves on it to allow your water to be turned on or off. There is a valve between the City's main and your home that the Water Department accesses to turn your water on or off.
Your best course of action is to call a professional plumber. MFWD can only shut off the water at the "curb stop"
Yes, but you'll need to be very careful! Some improper thawing methods could cause the pipes to burst; others can injure or even kill you! Here are some of the safer methods:
DO NOT try to thaw a frozen pipe with a blowtorch. There's a good chance that you will cause the water to boil within the pipe, resulting in an explosion when the pipe bursts. Also, a blow torch will release poisonous gasses into the air; you might die trying to defrost your pipes!
There are many things you can do to keep your pipes from freezing in extreme weather. Here are just some suggestions: