A.Don Birchard responds: When a waterline is not buried deep enough, it often freezes in an area that is kept clear of snow (a driveway, for example). Lacking the insulating blanket of snow, the frost drives deeper into the ground.

Whenever possible, I thaw the frozen section of a pipe from inside the building it supplies. After shutting the power off to the well pump, I disconnect the plastic waterline at the pressure tank. I chuck a small drill pump on the end of a variable-speed drill, then pump a steady stream of warm water into the plastic waterline. The recirculating...

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