On June 1, 1915, F.D. Waterman incorporated the Elk River Power & Light Company, the first step in providing electricity ...
ALERT: ERMU urges customers to adhere to lawn sprinkling restrictions to help sustain the community’s water supply. Learn More
ERMU is a Minnesota municipal electric and water utility serving Elk River and areas of Otsego, Big Lake Township, and Dayton. We are public power and water, owned by those we serve and governed by members of our community.