Fort Patrick Henry

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.

Generation Releases

Caption
Day Time Period Generators
5/02/2016 11pm - midnight 0
5/03/2016 midnight - 1am 1
5/03/2016 1am - 3am 0
5/03/2016 3am - 4am 1
5/03/2016 4am - 6am 0
5/03/2016 6am - 7am 1
5/03/2016 7am - 9am 0
5/03/2016 9am - 10am 1
5/03/2016 10am - noon 0
5/03/2016 noon - 9pm 1
5/03/2016 9pm - 11pm 0
5/03/2016 11pm - midnight 1
5/04/2016 midnight - 1am 0

Observed Data

Caption
Day Time (Eastern) Reservoir Elevation (behind dam)* Tailwater Elevation (below dam)* Average Hourly Discharge*
5/02/2016 4 pm 1,259.64 1,191.18 315
5/02/2016 5 pm 1,259.75 1,192.42 3,200
5/02/2016 6 pm 1,259.69 1,192.44 3,190
5/02/2016 7 pm 1,259.65 1,192.43 3,194
5/02/2016 8 pm 1,259.68 1,192.46 3,205
5/02/2016 9 pm 1,259.71 1,192.46 3,211
5/02/2016 10 pm 1,259.74 1,192.44 3,186
5/02/2016 11 pm 1,259.99 1,186.77 78

Predicted Data

Caption
Day Average Inflow* Midnight Elevation* Average Outflow*
5/02/2016 1,418 1,259.78 1,505
5/03/2016 1,720 1,260.29 1,500
5/04/2016 1,318 1,260.00 1,445

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

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.

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.