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Up-to-Date Information on the
Tennessee River System
TVA operates the dams, locks, and reservoirs of the Tennessee River and its tributaries as one integrated system in order to provide multiple benefits for the region. These benefits include year-round navigation, flood damage reduction, affordable electricity, improved water quality and water supply, recreation, and economic growth.
TVA’s policy for operating the Tennessee River system affects how much reservoir levels rise and fall, when those changes occur, and the amount of water flowing through the system at different times of the year, depending on rainfall.
Reservoir information
Use the drop-down menus in the green box at right to get detailed information about individual reservoirs, including observed and predicted elevations and releases at TVA dams, reservoir operating guides, dissolved oxygen improvements, fish population survey results, recreation facilities, and more. The link to ‘Tennessee River elevations at selected locations’ gives information on recent and predicted water elevations at major cities and other selected locations along the Tennessee River.
Rainfall and stream flows
This site also offers information on precipitation across the valley and on flows in valley streams that contribute a significant amount of water to the river system. See links at top left of page.
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See definitions of some of the most commonly used terms related to river operations.
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