Oregon State UniversitySpecial Collections & Archives Research Center

Oregon Drainage Basin Maps, 1957-1992

Historical Note:

The Oregon Water Resources Department was established in its present form in 1975 from the merger of the State Water Resources Board and the State Engineer's Office. The primary responsibility of the Department is to monitor and regulate the state's water resources. The Department's predecessor organizations were established in 1909 with passage of the Water Code, which declared that all water in the state of Oregon belonged to the public.


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