MIAMI–(BUSINESS WIRE)– #Acquisition–Ardurra Group, Inc. (Ardurra), a nationally recognized engineering and consulting firm, is pleased to announce the acquisition of MKN & Associates, Inc. (MKN), a respected California-based firm specializing in water and wastewater engineering services for municipalities and government agencies. Ardurra, ranked #75 on Engineering News-Record’s (ENR) Top 500 Design Firms list and consistently among the top 20 firms in ENR’s Water Sourcebook rankings for water and waste