GOLDEN VALLEY, MINN. — AtWater Group LLC has purchased Valley Square Corporate Center in Golden Valley, a western suburb of Minneapolis, for an undisclosed price. The 81,932-square-foot office building is located at 7500 Olson Memorial Highway. Amenities include a three-story atrium, training room, recently renovated common areas and heated underground parking. AtWater will act as asset manager on behalf of Concorde Properties Group, an affiliate of AtWater Group. Cushman & Wakefield Minneapolis will handle the leasing and property management efforts.