Broad River below Ninetynine Island Reservoir, SC 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 02153551 sits on the Broad River and reads everything draining 1,550 square miles of the Upper Broad basin. Its datum sits 411 feet above sea level NAVD88. Daily flow has been on record here since 1999, 28 years of it.

Where this gauge sits in the drainage

Ninetynine Island Res below Cherokee Falls, SC sits immediately upstream, so dam releases rather than rainfall set the flow here. Three gauged sites sit upstream of here. The closest is Broad River near Blacksburg, SC, reading 1,320 square miles. This gauge adds the 230 square miles that drain in between. Downstream the next reading comes from Neal Shoals Reservoir near Carlisle, SC at 2,730 square miles, so what passes this gauge is about 57% of the water measured there. Water passing here goes on to Broad River below Neal Shoals Res near Carlisle, SC and Broad River near Carlisle, SC.

Normal flows here

The Broad River runs a median of 1,415 cfs at this gauge across 28 years of record. March is the fullest month at a median 1,970 cfs, and October the leanest at 926 cfs. The highest daily mean on record is 84,600 cfs in 2024, and the lowest is 42 cfs in 2008.

Medians from the USGS daily-statistics record, 1999 to 2026. A month at 100% is running at its own long-term median.