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Pearl River at Ross Barnett Reservoir, MS Water Level Today

Mississippi · USGS gauge 02485601 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02485601 sits on the Pearl River and reads everything draining 3,050 square miles of the Middle Pearl-Strong basin. Its datum sits essentially at sea level NGVD29.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Pearl River near Lena, MS, reading 1,981 square miles. This gauge adds the 1,069 square miles that drain in between. Downstream the next reading comes from Pearl River at Hwy 25 at Jackson, MS at 3,130 square miles, so what passes this gauge is about 97% of the water measured there. Water passing here goes on to Pearl River at Jackson, MS.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02485601. Percentile context computed against the gauge's period of record. Not for navigation.

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