Latest Operating Information

Please note! Water release schedules often change without notice due to unanticipated changes in weather conditions and power system requirements.

Use caution near dams. A large amount of water may be discharged without warning at any time. Your safety depends on obeying all posted safety regulations and warnings. Learn more.

Nickajack will be spilling intermittently until further notice.

Generation Releases

Day Time Period Generators
11/30/2015 11pm - midnight 2 or more
12/01/2015 midnight - midnight 2 or more

Observed Data

Day Time (Eastern) Reservoir Elevation (behind dam)* Tailwater Elevation (below dam)* Average Hourly Discharge*
11/30/2015 4 pm 633.51 601.72 93,625
11/30/2015 5 pm 633.44 602.22 93,810
11/30/2015 6 pm 633.39 602.48 93,792
11/30/2015 7 pm 633.42 602.65 93,808
11/30/2015 8 pm 633.45 602.78 93,782
11/30/2015 9 pm 633.48 602.89 93,819
11/30/2015 10 pm 633.50 602.97 93,821
11/30/2015 11 pm 633.42 603.04 93,784

Predicted Data

Day Average Inflow* Midnight Elevation* Average Outflow*
12/01/2015 93,120 632.50 93,850
12/02/2015 90,930 632.50 91,460
12/03/2015 90,693 632.50 91,660

*Elevations are in feet above sea level. Flows are in cubic feet per second.


Water release schedules are updated periodically throughout the day. Next-day release schedules are usually available by 6 p.m. of the current day.

Observed water levels also are updated periodically throughout the day. Predicted water levels are updated at least once a day, by 1 p.m. Eastern time, and may be updated more frequently when conditions warrant.

Reservoir Information

Get the most up-to-date information on the individual reservoirs TVA manages, including observed and predicted elevations, planned generation releases at the dams, reservoir operating guides, ecological health ratings, fish population survey results, recreation facilities and more.



Lake Info Mobile App

Download the TVA Lake Info app for an easy-to-use resource for operating on and around reservoirs and dams in the TVA region. App is available for iPhone and Android devices.

Find out more.