The UK perspectiveIn the United Kingdom, Ofwat, the water regulator, is challenging water companies & contractors to reduce leakage, reduce customer disruption, improve water quality, protect the environment and manage costs to consumers through use of innovation. Existing techniques to replace old service pipes are mainly impact moling or open cut excavation, both of which have their limitations.
The North American perspectiveIn the United States and Canada, the major issue sits with contamination of drinking water supplies from ageing lead pipes. These service pipes can be 8-10ft deep, meaning excavations, even for trenchless technologies, are large. US homeowners are responsible for replacing pipes on their property and government grants are available in some cities to help homeowners with cost. The average cost per replacement is $3,600.
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