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Water-Year Summary for Site 06470500
Water-stage recorder and rubble-masonry control. Datum of gage is 1291.07 feet above North American Vertical Datum of 1988 (NAVD88) and 1,290.00 feet above the National Geodetic Vertical Datum of 1929 (NGVD29).
For a detailed gage datum history, please use the blue ‘questions or comments’ tab on the bottom of the site’s monitoring location page.
Previous locations and datums are as follows (From WSP 1729 or 1917 for history of changes prior to April 19, 1950)
1902 to 1908; Staff gage at site 80 feet upstream at different datum.
1909 to 1911; Staff gage at site 80 feet upstream at different datum.
April 19, 1950 to September 2, 1951; Wire-weight gage on bridge 80 feet upstream at present datum.
Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years.
REGULATION.--Flow regulated by Jamestown Reservoir, capacity, 220,980 acre-ft, since 1953, Pipestem Lake, capacity 147,110 acre-ft, since 1973 and several other lakes with a combined capacity of approximately 25,000 acre-ft.
WATER TEMPERATURE: June 2, 1953 to November 22 1993, November 14, 2019 to August 11, 2020, August 18, 2022 to current.
SPECIFIC CONDUCTANCE: October 18, 1976 to September 29, 1993