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Santee River at Lake Marion Tailrace near Pineville, SC Water Level Today

South Carolina · USGS gauge 02171001 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02171001 sits on the Santee River and reads everything draining 14,700 square miles of the Santee basin. Its datum sits 1 feet below sea level NAVD88.

Where this gauge sits in the drainage

Lake Marion near Pineville, 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.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02171001. Percentile context computed against the gauge's period of record. Not for navigation.

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