Construction Update: There is a full intersection/road closure in the Stillwater and Ideal/Helmo area starting June 6 and lasting for approximately 4 weeks. Follow posted detour. This project, by the City of Lake Elmo, includes the extension of sanitary sewer south along Ideal Avenue from the intersection of Ideal Avenue and 31st Street to a new connection point to the City of Oakdale’s sanitary sewer system.