Remarkable cold creates water headaches
January 15, 2009

The sub-zero temperatures that have hit the Upper Midwest aren't just unpleasant to step into -- they're a major cause of water headaches when pipes freeze. The problem is that water expands when it freezes. This accounts for the importance of good insulation and adequate heating capacity inside municipal water pressure-booster stations -- since a burst in a 3" or 6" municipal water pipe can be a much bigger disaster than that of a household water line.

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last revised January 2009