We understand the constant challenge of managing, protecting and conserving water resources to meet the needs of communities, agriculture, industry and the environment.

AECOM consistently ranks as the #1 Dams and Reservoirs firm by Engineering News-Record and proudly maintains the reputation of being the industry’s global leader in dam, reservoir, and water projects. With more than 85 years in the industry, AECOM has worked on thousands of dams and water resources projects around the world.

We offer solutions in every facet of dam engineering, from performing sitting and feasibility studies through design and construction, commissioning, as well as ongoing dam safety monitoring, maintenance and retrofits, and decommissioning.

Our dam specialists bring proven success in all types of design, including homogeneous and zoned earthfill, rockfill, CFRD; ACRD, RCC, mass concrete, concrete buttress and concrete arch. Our hydropower experts have designed and constructed all types and sizes of plants, with capacities of up to 12,600 mega-watts (MW) and heads from 21 to 2,165 feet.

Awards & Rankings:


#1 in Dams and Reservoirs


#1 in Hydro