Industry Awards:

• 2018 Construction Safety Excellence Award – Second Place in the Utility Infrastructure Division (Over 1 Million Hours Worked), The Associated General Contractors of America (AGC)
• 2018 Construction Risk Partners Build America Award – Merit Winner in the Utility Infrastructure Category – The Santa Ana Wastewater Treatment Plant MBR Expansion Project, The Associated General Contractors of America (AGC)
• 2018 Construction Risk Partners Build America Award – Highway & Transportation (under $10M) Category – Sellwood Bridge Replacement Project: A Sundt/Slayden Joint Venture, The Associated General Contractors of America (AGC)
• H2O Project Award – Wastewater Plant/Pump Stations ($5M+ Category) – The Louisville Wastewater Treatment Plant, Colorado Contractors Association
• Gold Award, Web-based Production/Website Redesign Category, 2018 AVA Digital Awards
• BIM Excellence Finalist, Construction News Awards
• International Safety Award Finalist, British Safety Council
• Rising Star Finalist: Stantec Treatment Graduate Mechanical Engineer Jonathan May, Construction News Awards

Engineering News-Record, International Rankings:

Contractors:

• #1 in Wastewater Treatment Plants
• #3 in Sewerage and Solid Waste

Engineering News-Record Top 400 Contractors Rankings:

• #2 in Wastewater Treatment Plants
• #4 in Sewerage and Solid Waste

Industry Awards:

• Health and Safety Initiative Award Finalist, British Construction Industry Awards and the Utility Week Awards
• Planner of the Year: Stantec Treatment Planning Manager Raghu Ghondi, Synchro Awards
• Project of the Year: Minworth Thermal Hydrolysis Plant, Synchro Awards
• Best Place to Work and Talent Champion, NCE100 Companies of the Year 2017 Awards
• President’s Award, Royal Society for the Prevention of Accidents (RoSPA)
• Gold Award, Occupational Health & Safety (RoSPA)
• International Safety Award, British Safety Council
• Gold Award for Bakewell STW project, Considerate Constructors Scheme (CCS) National Site Awards     
• Health and Safety Initiative of the Year, Water Industry Awards for Behavioral Health and Safety in Design
• International Safety Award Finalist, British Safety Council

Engineering News-Record, International Rankings:

Contractors:

• #8 in Wastewater Treatment

Engineering News-Record, Top 400 Contractors Rankings:

• #3 in Water Treatment and Desal Plants
• #3 in CO-Generation (Top Contractors in Power)
• #4 in Wastewater Treatment Plants
• #6 in Sewerage and Solid Waste
• #8 in Water Supply
• #21 of Top 50 Contractors Working Abroad
• #39 of Top 100 Contractors by New Contracts
• #152 of Top 400 Contractors

Industry Awards:

• Gold Award, Royal Society for the Prevention of Accidents (RoSPA)
• Gold Award, Occupational Health & Safety (RoSPA)
• Gold Award for Hulland Ward project, Considerate Constructors Scheme (CCS) National Site Awards
• Carbon Reduction Initiative of the Year for @One Alliance project, Anglian Water
• Bronze Award, The Ministry of Defense Employer Recognition Scheme (*recognizes U.K. employers that voluntarily pledge their commitment to support the armed forces community)
• Excellence in Health & Safety Performance, Thames Water’s Health and Safety Awards

Engineering News-Record, Top 400 Contractors Rankings:

• #1 in Wastewater Treatment Plants
• #4 in Sewerage & Solid Waste
• #5 in Water Treatment & Desal Plants
• #10 in Water Supply
• #22 of Top 50 Contractors Working Abroad
• #154 of Top 400 Contractors

Industry Awards

• Best 2015 Projects Award of Merit – Water and Environment category – Austin Water Treatment Plant No.4, ENR Texas and Louisiana Awards
• 2015 Project of the Year for Austin Water Treatment Plant No.4, Texas Public Works Association
• Significant Improvement Award, National Safety Council
• Occupational Excellence Achievement Award, National Safety Council
• Perfect Record Award, National Safety Council
• Energy Institute Award for @One Alliance project, Anglian Water
• Green Apple Award for @One Alliance project, Anglian Water
• Gold Award for Clay Mills project, Considerate Constructors Scheme (CCS) National Site Awards
• Silver Award for Seafield THW project, Considerate Constructors Scheme (CCS) National Site Awards
• Gold Award, Occupational Health & Safety (RoSPA)
• Innovation in Power Generation for the Tyseley Resource Recovery Center, Bentley Be Inspired Awards

Engineering News-Record, Top 400 Contractors Rankings:

• #1 in Wastewater Treatment Plants
• #3 in Sewerage & Solid Waste
• #5 in Water Treatment & Desal Plants
• #8 in Water Supply
• #140 of Top 400 Contractors

Industry Awards:

• Project of the Year – Large Structures – Southern Delivery System Pueblo Dam, American Water Works Association
• Public Communications Achievement Award for Southern Delivery System Pueblo Dam, American Water Works Association
• Project Achievement Award for Southern Delivery System Pueblo Dam, Construction Management Association of America Colorado Chapter
• Top 2014 Projects for Southern Delivery System Pueblo Dam, Water & Wastewater Digest Awards
• Best 2014 Projects for Southern Delivery System Pueblo Dam, ENR Mountain States
• Project Merit Award for Habitat Restoration – Fountain Creek Improvement project, Environmental Business Journal
• Best 2014 Projects of Merit – Water/Environment Category – Tres Rios Water Reclamation Facility, ENR Southwest
• 2014 Environment Project of the Year – $75 million+ category – Tres Rios Water Reclamation Facility, Arizona Chapter of the American Public Works Association (APWA)
• Gold Award, Occupational Health & Safety (RoSPA)

Engineering News-Record Top 400 Contractors Rankings:

• #1 in Wastewater Treatment Plants
• #2 in Sewerage & Solid Waste
• #3 in Water Treatment and Desal Plants
• #4 in Water Supply
• #26 of Top 50 Contractors Working Abroad
• #46 of Top 50 Domestic Heavy Contractors
• #108 of Top 400 Contractors

Industry Awards:

• 2013 Best Project Award – Water/Environment category – Southern Delivery System South Pipeline 2, ENR Mountain Awards
• CMAA National Project Achievement Award – LL Anderson Dam Spillway Modification project
• CMAA Northern California Chapter Project Achievement Award – LL Anderson Dam Spillway Modification project
• CMAA South Atlantic Chapter Project Achievement Award – Piedmont Regional WWTP project
• Third Place in Construction Safety Excellence, The Associated General Contractors of America (AGC)
• Zero Incidence Rate Award and Improved Safety Award, Colorado Contractor Association
• 2013 Project of the Year – Large Structures category – Southern Delivery System PDC1A, APWA Colorado Chapter
• Project Merit Award for Habitat Restoration – Southern Delivery System Restoration of Pipeline Easement, Environmental Business Journal
• Gold Award, Occupational Health & Safety (RoSPA)

Engineering News-Record Top 400 Contractors Rankings:

• #1 in Sewerage & Solid Waste
• #1 in Wastewater Treatment Plants
• #6 in Water Treatment & Desal Plants
• #13 in Water Supply
• #29 of Top 50 Contractors Working Abroad
• #45 of Top 50 Domestic Heavy Contractors
• #123 of Top 400 Contractors

Industry Awards:

• Gold Award for Bamford WTW project, Severn Trent Annual Recognition (STAR) Awards
• Excellence in Safety Award, National Utility Contractor Association of Colorado
• 2012 Project of the Year – $10 – $50 million category – LL Anderson Dam Spillway Modification project, Sacramento Chapter of the American Public Works Association
• Safety Leadership Award, National Safety Council
• Million Work Hours Award, National Safety Council
• Zero Incidence Rate Award, Colorado Contractors Association (CCA), the Colorado Chapter of AGC
• 2012 AWWA Green Ribbon Award
• Gold Award, Occupational Health & Safety (RoSPA)