Ranked the third largest dam contractor and sixth largest water supply contractor by Engineering News Record in 2020, Shimmick and its legacy companies have a long history of delivering locks and dams, flood control, levees, fish screens, stream diversions, and pump stations for federal, state and municipal clients. Shimmick self-performs both civil and mechanical, electrical and plumbing (MEP) scopes for water resources projects, working with designers to develop the most cost effective and time efficient solutions.
For nearly a century, Shimmick and its group companies have performed construction for the development of dams, reservoirs, navigation locks and hydraulic structures. Our dam projects include earth and rockfill, concrete arch, mass concrete and roller compacted concrete gravity dams, as well as hybrid dams of timber crib, steel facing and concrete walls.
The construction of the Hoover Dam in the 1930s is among our signature achievements. Built during the Depression to curtail flooding and generate power, the Hoover Dam has remained an engineering marvel. Another unprecedented achievement for Shimmick was providing complete EPC services, under a $705 million contract, for the award-winning San Roque Multipurpose Dam and Reservoir in the Philippines—one of the tallest earth and rock-fill dams in the world.
Today, as the third largest dam contractor in the U.S., Shimmick, with its long history of legacy companies, has delivered more than $10 billion in locks and dams for clients such as the U.S. Army Corps. of Engineers, the U.S. Department of the Interior, Bureau of Reclamation, water districts and public utilities commissions.
Shimmick also brings expertise in levee and flood control projects. Following Hurricane Katrina, we delivered the LPV 146 project under an early contractor involvement contract, to construct new flood protection, and is currently constructing levees under the Rapid Disaster Infrastructure MATOC for USACE.
Dams and Reservoirs
Levees and Flood Protection
Irrigation and Drainage Channels
Water Supply and Transmission
Self-perform Mechanical, Electrical and Plumbing