Nickajack

Latest Operating Information
WARNING! Water release schedules can change without notice due to unanticipated weather changes or power system requirements. Large amounts of water could be discharged at any time. Use caution! Obey all posted safety regulations and precautions!  Vital safety information.

Generation Releases

Caption
Day Time Period Generators
10/22/2019 midnight - 1am 2 or more
10/22/2019 1am - 5am 1
10/22/2019 5am - midnight 2 or more

Observed Data

Caption
Day Time (Central) Reservoir Elevation (behind dam)* Tailwater Elevation (below dam)* Average Hourly Discharge*
10/21/2019 5 PM 633.83 595.47 25,116
10/21/2019 6 PM 633.73 595.88 31,561
10/21/2019 7 PM 633.71 595.99 31,629
10/21/2019 8 PM 633.77 596.05 31,596
10/21/2019 9 PM 633.87 595.49 22,280
10/21/2019 10 PM 633.89 595.32 22,136
10/21/2019 11 PM 633.86 595.23 22,128
10/21/2019 midnight 633.86 595.20 22,078
10/22/2019 1 AM 634.01 594.76 12,451

Predicted Data

Caption
Day Average Inflow* Midnight Elevation* Average Outflow*
10/22/2019 20,163 633.56 21,887
10/23/2019 19,260 633.50 19,635
10/24/2019 17,670 633.50 17,718

*Elevations are in feet above sea level. Discharges are in cubic feet per second and are reported at the end of the hour.

Notes:

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.

Lake Info App

Want your lake info to go? Download the TVA Lake Info app, an easy-to-use resource for operating on and around reservoirs and dams in the TVA region. Available for iPhone and Android devices.