Ice and Clean

Danbury, N.C., successfully gambles on ice pigging to clean its distribution pipes and solve water quality problems.
Ice and Clean
Water sewer maintenance technicians connect a jetter hose to a root saw.

In August 2012, Danbury, N.C., became the first U.S. city to formally contract ice pigging service to clean its water mains. The technique employs the friction of ice slurry to remove impurities such as biofilm, iron and manganese sediment from water pipes, without the use of...

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