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International comparisons - USA
There are large numbers of water systems in the USA which vary widely in size and form of ownership, and the type of regulation depends on the ownership and location of the system. Federal policy drives drinking water quality. The privately-owned concerns are members of the National Association of Water Companies (NAWC) trade association. They mainly serve cities or suburban areas.
Tribunals generally regulate prices in the USA by fixing the rate of return that a company can earn on its assets. There is less emphasis on the medium-term incentive-based regulation used in England and Wales.
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