Early 1800’s
First European settlements established by fur traders at the mouth of the Columbia River.
1855
California, Oregon, Washington, and Idaho begin to adopt the doctrine of prior appropriation to resolve disputes over water and riparian land use.
1877
In response to declining salmon populations, the first salmon hatchery in the Columbia Basin is built on the Clackamas Rive
1918
The Baranov catch equation is published, presenting the basic theory of fish population dynamics
1937
The first Columbia River mainstem dam is completed, Bonneville Dam
1964 – 1973
U.S. Congress passes the Wilderness Act, Clean Air Act, Clean Water Act, National Environmental Policy Act, and Endangered Species Act.
1990 – 1999
27 distinct runs of salmon and steelhead, as well as Bull Trout and white sturgeon are listed as Threatened or Endangered in the western U.S.
1991
The EPA issues management tools for states to achieve water quality standards under Section 303(d) of the Clean Water Act.
2011
Mount Hood Environmental founded by Ian and Lauren Courter to provide scientific expertise and services to aquatic resource users and managers throughout the Pacific Northwest.
2017 – Present
Mount Hood Environmental grows into a multidisciplinary company, conducting ecological analyses, focusing on fisheries and water quality.