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South Holston

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.

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CAUTION—South Holston near the John Sevier Plant—CAUTION

Transmission Construction Work July 13-18;  7 a.m. – 5 p.m. EDT

The bay across from the John Sevier Plant will be closed to fishing and recreation  during work on transmission structures and stallation of new line over the water.

All watercraft should avoid the area or take extra precaution and heed warnings of TVA Police and safety patrol boats and personnel.

Safety boats will be monitoring marine channels 16 and 13 and can be contacted on those channels.

Generation Releases

Day Time Period Generators
{RELEASEDATE} {TIMEPERIOD} {GENERATORS}

 

Observed Data

Day Time
(Eastern)
Reservoir Elevation
(behind dam)*
Tailwater Elevation
(below dam)*
Average Hourly
Discharge*
{OBS_DAY} {OBS_HR} {UPSTREAM_ELEV} {DOWNSTREAM_ELEV} {AVG_HOURLY_DISCHARGE}

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

 

View data for previous 48 hours.

See the operating guide for this reservoir, including observed
elevations for last year and for the current year to date.

Predicted Data

Day Average Inflow* Midnight Elevation* Average Outflow*
{PREDICTED_DAY} {DAILY_AVG_INFLOW} {MIDNIGHT_ELEV} {DAILY_AVG_OUTFLOW}

*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.

More information on South Holston

Operating guide

General information

Sportfish survey results

Sportfish ratings

Ecological health ratings

Tailwater improvements

Recreation facilities

Operating information for other reservoirs

 

Lake Info Mobile App

image of iPhone appDownload 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.

 

 

See definitions of some of the most commonly used terms related to river operations.

           
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