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Santee River near Pineville, SC Water Level Today

South Carolina · USGS gauge 02171500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02171500 sits on the Santee River and reads everything draining 14,700 square miles of the Santee basin. Its datum sits 22 feet above sea level NAVD88. Daily flow has been on record here since 1942, 84 years of it.

Where this gauge sits in the drainage

Lake Marion near Elloree, SC sits immediately upstream, so dam releases rather than rainfall set the flow here. Two gauged sites sit upstream of here. The closest is Lake Marion near Elloree, SC, reading 14,300 square miles. This gauge adds the 400 square miles that drain in between.

Normal flows here

The Santee River runs a median of 570 cfs at this gauge across 84 years of record. March is the fullest month at a median 672 cfs, and July the leanest at 558 cfs. The highest daily mean on record is 153,000 cfs in 1945, and the lowest is 9.0 cfs in 1947.

Median flow by month
MonthMedian flowShare of annual median
Jan595 cfs104%
Feb627 cfs110%
Mar672 cfs118%
Apr659 cfs116%
May581 cfs102%
Jun560 cfs98%
Jul558 cfs98%
Aug563 cfs99%
Sep563 cfs99%
Oct563 cfs99%
Nov568 cfs100%
Dec563 cfs99%

Medians from the USGS daily-statistics record, 1942 to 2026. A month at 100% is running at its own long-term median.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02171500. Percentile context computed against the gauge's period of record. Not for navigation.

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