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Oregon Historical County Records Guide

Washington County Records Inventory

Water Rights Records

1909-1981

Series documents the authorization by the state and local governments for the use of public waters. Series includes water rights, licenses, and certificates of water rights issued by the state and filed with the county. Records may include alphabetical indexes to the certificates, transcripts, statements, evidence, and other records specifically related to water rights cases heard by circuit and appellate courts. Information includes names of individuals proving water rights; locations of water rights including the township, range, and section number; descriptions of land under such rights; and limitations of appropriations of rights and use of rights (i.e. length of time, usage). Original water rights certificates are filed with the Oregon Water Resources Department.

Some records related to water rights have been recorded as part of the Book of Records (Clerk and Recorder Official Filings).

Records at the Washington County Historical Records Vault:
Certificate of Water Rights, 1914-1947 (.10 cu.ft.);
McKay Creek Water Control District [Records], ca.1960-ca.1977 (2.50 cu.ft.);
Water Record [Rights-with index], vol. 1, 1914-1954 (1 volume);
Water Right Certificates, 1914 (1 volume);
Water Rights Maps, n.d. (1 cu.ft.);
Water Rights [Record-with index], vol. 1-3, 1909-1962 (3 volumes); vol. 4, 1962-1972 (1 volume); vol. 5, 1972-1979 (1 volume); vol. 6, 1979-1981 (1 volume).

Records at the Walnut Street Center Building, Second Floor Circuit Court Archives:
Water Rights [Exhibits Briefs-Tributaries of the Tualatin River Adjudication Record], vol. V, 1938 (1 volume);
Water Rights [Findings and Order of Determination-Tributaries of the Tualatin River Adjudication Record], 1938 (.05 cu.ft.);
Water Rights [Jurisdictional Papers-Tributaries of the Tualatin River Adjudication Record], vol. I, 1938 (1 volume);
Water Rights [Miscellaneous Case Documents], ca.1960-ca.1991 (.40 cu.ft.);
Water Rights [Statements and Proofs of Claim-Tributaries of the Tualatin River Adjudication Record], vol. II, 1938 (1 volume);
Water Rights [Statements of Contest-Tributaries of the Tualatin River Adjudication Record], vol. III, 1938 (1 volume);
Water Rights [Transcripts of Testimony-Tributaries of the Tualatin River Adjudication Record], vol. IV, 1938 (1 volume).

Records at the Washington County Contracted Off-site Records Storage:
Unclassified Contents [Contestants Exhibits-Tualatin River Water Rights Adjudication Records-box no. 35801], 1959 (1 volume);
Unclassified Contents [Findings and Order of Determination-Tualatin River Water Rights Adjudication Records-box no. 35801], 1959 (1 volume);
Unclassified Contents [Tualatin River Water Rights Adjudication Records-box no. 35801], vol. 1-3, 1959 (3 volumes).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722

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