Outdoor Water Supply from Lake

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by Dave1985, Sep 4, 2011.

  1. Dave1985

    Dave1985 New Member

    Messages:
    1
    Location:
    Queens, NY
    So I'm looking at buying a house in New Hampshire where the winters get cold. They use water that comes from the lake which is about 30-40 feet away.
    they had a buried water line that is crushed and they replaced it with another water line that is on the surface, so obviously it freezes in the winter.
    Assuming I can not fix the underground pipe and assuming I do not have enough land to drill a well, what are my options for the pipe above ground?
    Insulate it? Use heat tape? Both? and then bury it a little under the ground?
    Thanks!
    Last edited: Sep 4, 2011
  2. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,841
    Location:
    NW Ontario, Canada
    Insulate it. As long as it get regular (frequent) use, it should not freeze. For less frequent use some people put in a drain-back system.

    http://www.cottagewatersupply.com/
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    In souther NH the freeze line is probably about 42" deep! Insulation does little to keep a pipe from freezing. You could use heat tape, which is an expensive solution. Is this a year round occupancy? If not, figure out how to winterize. If it is year-round, get the pipe installed at the proper depth.
  4. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,309
    Location:
    Cave Creek, Arizona
    The bigger question is whether the "lake water is really potable water", unless you only use it for utility purposes.
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