Waterville is a town in Pepin County, Wisconsin, United States. The population was 829 at the 2020 census. The unincorporated community of Arkansaw is located within the eastern portion of the town. According to the United States Census Bureau, the town has a total area of 36.2 square miles, of which, 35.7 square miles of it is land and 0.5 square miles o…Waterville is a town in Pepin County, Wisconsin, United States. The population was 829 at the 2020 census. The unincorporated community of Arkansaw is located within the eastern portion of the town. According to the United States Census Bureau, the town has a total area of 36.2 square miles, of which, 35.7 square miles of it is land and 0.5 square miles of it is water.
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