South Fork Holston River near Damascus, VA Water Level Today

NWS river forecast

Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.

Last 30 days

About this gauge

USGS gauge 03473000 sits on the South Fork Holston River and reads everything draining 303 square miles of the South Fork Holston basin. Its datum sits 1,792 feet above sea level NAVD88. Daily flow has been on record here since 1932, 95 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is South Fork Holston River at Riverside, near Chilhowie, VA, reading 77 square miles. This gauge adds the 226 square miles that drain in between. Downstream the next reading comes from South Fork Holston River below South Holston Dam, TN at 703 square miles, so what passes this gauge is about 43% of the water measured there.

Normal flows here

The South Fork Holston River runs a median of 296 cfs at this gauge across 95 years of record. March is the fullest month at a median 645 cfs, and September the leanest at 132 cfs. The highest daily mean on record is 13,700 cfs in 2024, and the lowest is 40 cfs in 1984.

Medians from the USGS daily-statistics record, 1932 to 2026. A month at 100% is running at its own long-term median.

TVA dams near this gauge

TVA's South Holston Dam is 17 miles from this gauge on the South Fork Holston system. Planned generation, lake level and tailwater elevation for it load below when TVA has published them.

• South Holston Dam 17 miles