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Pocotaligo River at Sumter, SC Water Level Today

South Carolina · USGS gauge 02135517 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02135517 sits on the Pocotaligo River and reads everything draining 134 square miles of the Black basin. Its datum sits 109 feet above sea level NAVD88. Daily flow is on record here from 1993 to 1995, 3 years in all.

Where this gauge sits in the drainage

No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Black River at Kingstree, SC at 1,252 square miles, so what passes this gauge is about 11% of the water measured there.

Normal flows here

The Pocotaligo River runs a median of 107 cfs at this gauge across 3 years of record. January is the fullest month at a median 349 cfs, and May the leanest at 32 cfs. The highest daily mean on record is 4,550 cfs in 1995, and the lowest is 6.2 cfs in 1994.

Median flow by month
MonthMedian flowShare of annual median
Jan349 cfs326%
Feb185 cfs173%
Mar242 cfs226%
Apr150 cfs140%
May32 cfs30%
Jun54 cfs51%
Jul38 cfs36%
Aug46 cfs43%
Sep99 cfs93%
Oct77 cfs72%
Nov126 cfs117%
Dec133 cfs124%

Medians from the USGS daily-statistics record, 1993 to 1995. A month at 100% is running at its own long-term median. USGS stopped publishing a daily flow record at this gauge, so these are historical norms, not a baseline for current readings.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02135517. Percentile context computed against the gauge's period of record. Not for navigation.

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