2010 American Council of Engineering Companies' (ACEC) Engineering Excellence Award for Complexity (Silver) for the Chelan County Natural Resources Department's Chumstick Creek Fish Passage Improvements. More Information..
2009 American Council of Engineering Companies' (ACEC) Engineering Excellence Award for Future Value to the Engineering Profession (Bronze) for the City of Lacey's College Regional Stormwater Facility. More Information..
2008 Construction Management Association of America, Pacific Northwest Chapter, award for construction management of State Avenue Project ($5 million - $10 million category) in Marysville, WA went to Harris & Associates; Skillings Connolly completed the design and assisted with construction management
2008 National Association of Clean Water Agencies' (NACWA) National Environmental Achievement Award for excellence in Public Information and Education for the redevelopment of LOTT's website
2002 Department of Ecology Environmental Excellence Award for the City of Yelm's 100% Reclaimed Water Reuse Facility
2001 American Society of Civil Engineers' (ASCE) Local Outstanding Civil Engineering Achievement Award the City of Yelm's Water Reclamation project
2001 Federal Highway Administrations' Strive for Excellence Team Award for the Montana Department of Transportation's US 93 Corridor Preservation project
2001 AASHTO President's Transportation Award for the Environment for the Montana Department of Transportation's US 93 Corridor Preservation project
2001 State of Montana's Governor's Award for the Montana Department of Transportation's US 93 Corridor Preservation project
2000 Association of Washington Cities' (AWC) Municipal Achievement Award for the City of Yelm's Water Reclamation project
2000 American Council of Engineering Companies' (ACEC) Award of Merit for the City of Yelm's Water Reclamation project
1999 American Public Works Association's (APWA) Public Works Project of the Year - Environmental Category for the City of Yelm's Water Reclamation project