Pennsylvania American Water has acquired the wastewater system of Fairview Township, York County, for $16.8 million. The system serves about 4,000 customers, including more than 200 commercial accounts where Pennsylvania American Water already provides water service.

The utility, a subsidiary of American Water Works Co. Inc. of Voorhees, agreed to invest $13 million in system improvements and to reimburse the township for up to $1 million for a sewer-line relocation project related to the Pennsylvania Turnpike.

Existing rates will stay in force through 2017, and the township said the sale will enable it to shed debt and to reduce property taxes.

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