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.

Chickamauga will be spilling until further notice

Generation Releases

Day Time Period Generators
4/25/2017 1am - midnight 2 or more
4/26/2017 midnight - midnight 2 or more
4/27/2017 midnight - 1am 2 or more

Observed Data

Day Time (Eastern) Reservoir Elevation (behind dam)* Tailwater Elevation (below dam)* Average Hourly Discharge*
4/25/2017 10 AM 683.57 647.15 122,198
4/25/2017 11 AM 683.52 647.09 122,035
4/25/2017 noon 683.49 647.05 121,756
4/25/2017 1 PM 683.43 647.02 121,627
4/25/2017 2 PM 683.43 646.75 120,829
4/25/2017 3 PM 683.53 646.26 113,447
4/25/2017 4 PM 683.51 645.78 104,026
4/25/2017 5 PM 683.40 645.45 99,051
4/25/2017 6 PM 683.38 645.27 98,908

Predicted Data

Day Average Inflow* Midnight Elevation* Average Outflow*
4/25/2017 95,580 683.34 112,593
4/26/2017 81,408 682.71 92,510
4/27/2017 75,118 682.47 79,300

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


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 App

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