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Alabaha River at GA 203, near Blackshear, GA Water Level Today

Georgia · USGS gauge 02227270 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02227270 sits on the Alabaha River and reads everything draining 381 square miles of the Satilla basin. Its datum sits 83 feet above sea level NAVD88. Daily flow has been on record here since 2010, 17 years of it.

Normal flows here

The Alabaha River runs a median of 45 cfs at this gauge across 17 years of record. February is the fullest month at a median 328 cfs, and November the leanest at 16 cfs. The highest daily mean on record is 8,900 cfs in 2020, and the lowest is 0.0 cfs in 2012.

Median flow by month
MonthMedian flowShare of annual median
Jan261 cfs580%
Feb328 cfs729%
Mar233 cfs518%
Apr123 cfs273%
May33 cfs73%
Jun38 cfs84%
Jul18 cfs40%
Aug22 cfs49%
Sep46 cfs102%
Oct20 cfs44%
Nov16 cfs34%
Dec59 cfs131%

Medians from the USGS daily-statistics record, 2010 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Alabaha River reaches flood stage at this gauge at 9 feet. NWS starts watching it at 7 feet. The highest crest on record is 15.6 feet, in April 1948.

NWS flood categories
CategoryGage height
Action7 ft
Minor flooding9 ft
Moderate flooding12 ft
Major flooding14 ft
Highest crests on record
WhenCrest
April 194815.6 ft
March 192914.3 ft
March 202013 ft
August 202412.9 ft
September 195312.4 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge ABAG1. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02227270. Percentile context computed against the gauge's period of record. Not for navigation.

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