U.S. Water, an ALLETE Company (NYSE: ALE), Announces the Acquisition of Tonka Water Tonka Water, a major supplier of municipal and industrial water treatment systems, has joined the U.S. Water family. The acquisition of Tonka Water will allow U.S. Water to expand its integrated water treatment equipment offerings and applications. Tonka Water's engineers customize water treatment solutions for a variety of applications including surface water, groundwater, water reuse, industrial process water, remediation and advanced wastewater treatment. "The addition of Tonka Water to the U.S. Water family strengthens our engineering and equipment capabilities and the integrated solutions we can offer our customers throughout the market," said LaMarr Barnes, U.S. Water CEO. "We are very excited to welcome Tonka Water. Their experienced and customer-focused employees will be a great addition to our team." Located in Plymouth, MN and serving customers throughout the United States, Tonka Water is recognized as a best in class water treatment company that is dedicated to partnering with their customers to provide innovative, cost-effective water treatment solutions. "I am confident that joining U.S. Water will strengthen our position in industrial water treatment and the municipal market, further solidifying our customized and innovative solutions," said Tom Davis, Tonka Water President. "Together, with our shared vision, values and commitment to service, we will bring superior value to our customers and employees for years to come." Headquartered in St. Michael, Minn., U.S. Water's national footprint serves a growing and diverse mix of over 4,800 industrial customers, including a significant number of Fortune 500 companies. U.S. Water provides integrated water solutions for industry by combining chemical, equipment, engineering and service to optimize system performance, reduce water and energy usage, and improve efficiency. U.S. Water, an ALLETE company (NYSE: ALE), is an integrated industrial water treatment company headquartered in St. Michael, Minnesota. U.S. Water provides integrated water solutions for industry by combining chemical, equipment, engineering and service to optimize system performance, reduce water and energy usage, and improve efficiency.