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Lynches River at Effingham, SC Water Level Today

South Carolina · USGS gauge 02132000 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02132000 sits on the Lynches River and reads everything draining 1,030 square miles of the Lynches basin. Its datum sits 57 feet above sea level NAVD88. Daily flow has been on record here since 1930, 97 years of it.

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 Lynches River at Us378 near Lake City, SC at 1,100 square miles, so what passes this gauge is about 94% of the water measured there.

Normal flows here

The Lynches River runs a median of 480 cfs at this gauge across 97 years of record. March is the fullest month at a median 1,460 cfs, and October the leanest at 355 cfs. The highest daily mean on record is 24,500 cfs in 1945, and the lowest is 69 cfs in 2002.

Median flow by month
MonthMedian flowShare of annual median
Jan1,140 cfs238%
Feb1,360 cfs283%
Mar1,460 cfs304%
Apr1,055 cfs220%
May549 cfs114%
Jun428 cfs89%
Jul388 cfs81%
Aug430 cfs90%
Sep362 cfs75%
Oct355 cfs74%
Nov440 cfs92%
Dec746 cfs155%

Medians from the USGS daily-statistics record, 1930 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Lynches River reaches flood stage at this gauge at 14 feet. NWS starts watching it at 11 feet. The highest crest on record is 21.2 feet, in September 1945.

NWS flood categories
CategoryGage height
Action11 ft
Minor flooding14 ft
Moderate flooding16 ft
Major flooding18 ft
Highest crests on record
WhenCrest
September 194521.2 ft
August 190820 ft
October 201519.7 ft
September 192819.4 ft
September 192819.4 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge EFFS1. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02132000. Percentile context computed against the gauge's period of record. Not for navigation.

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