International non-governmental organization of engineers and scientists working in hydraulics and hydraulic engineering. Information about organization journals, conferences, and other topics.

Members solve problems caused by soil erosion and its by-product, sediment. Organization serves Alaska, British Columbia, Washington, Oregon, and Idaho.

Promoting limnology (the scientific study of lakes), oceanography and related sciences and fostering the exchange of information in aquatic science.

A nonprofit organization for regional networking and support on issues of environmental quality, economic sustainability, and scientific discovery on a watershed basis in Alaska, British Columbia, Idaho, Oregon, and Washington.

IAEH was founded in 1991 to meet the needs of the professional environmental hydrologist, in particular those working in the area of environmental cleanup, restoration, and pollution prevention.

Promotes understanding of water resources and related issues by providing a multidisciplinary forum for education, professional development and information exchange.

Promotes effective management of Canada's water resources by stimulating public recognition, awareness and understanding. Information on a wide range of water-related topics.

Research company providing marine transportation, fast marine vessel, historical marine, and pacific hydrological services.

An organization of professionals working together to preserve and enhance the watershed environments originating in the states of Colorado, Wyoming, and New Mexico.