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Hydraulic Products and Services

Listed below are some companies that provide products and services related to hydraulic engineering and construction. The intent of this list is to assist people who are seeking current technical information from the industry.

This listing is a reference tool only and is not intended to be considered an endorsement of any product or products by the Washington State Department of Transportation.


ABT, Inc.
Manufactures polymer concrete trench drains.

ACO Polymer Products
Produces precast polymer concrete trench drainage and catch basins.

Advanced Drainage Systems
Manufactures polyethylene culvert and storm drain pipe.

Concor Building Products
Submar, Inc.
Manufactures articulated concrete mats that can be used for countermeasures against scour at bridge piers.

Contech Engineered Solutions
Manufactures of corrugated metal culvert pipe, stormwater treatment systems, precast concrete modular bridge systems, three-sided structures, and underground storage structures.

Foresight Products
Manufactures earth anchors that can be used for many different purposes, including bioengineering.

Manufactures polyethylene culvert and storm drain pipe.

Pacific Corrugated Pipe Company
Manufactures corrugated metal culvert pipe, storm drain pipe, and related drainage products.



Corrugated Polyethylene Pipe Association
Provides technical information about corrugated polyethylene pipe.

Trenchless Technology Magazine (Benjamin Media)
Has the latest news about pipe rehabilitation. This Web site also has links to companies that specialize in trenchless technology.

Weather and Climate

University of Washington weather services offers forecasts for western and eastern Washington.

National Oceanic and Atmospheric Administration (NOAA) has current weather observations and precipitation data for local areas of Washington.

PRISM (Parameter-elevation Regressions on Independent Slopes Model) is uniquely designed and constantly updated to map climates in the most difficult situations, including high mountains, rain shadows, temperature inversions, coastal regions, and other complex climatic regimes.

Western Regional Climate Center has climate and weather information, including precipitation maps.


U.S. Army Corps of Engineers

U.S. Army Corps of Engineers Seattle District

U.S. Army Corps of Engineers Portland District

U.S. Army Corps of Engineers, Hydrologic Engineering Center offers HEC Software for hydrologic analysis and modeling.

Washington State Agencies

Washington State Fish and Wildlife, Fish Passage Design at Road Culverts

Washington State Fish and Wildlife, Habitat Technical Assistance
Aquatic Habitat Guidelines: An Integrated Approach to Marine Freshwater and Riparian Habitat Protection and Restoration

Washington State Department of Ecology


Federal Government

FHWA Bridge Technology, Current Hydraulics Publications

U.S. Department of Commerce, has links to many governmental sites.