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Chickasawhay River near Waynesboro, MS Water Level Today

Mississippi · USGS gauge 02477500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02477500 sits on the Chickasawhay River and reads everything draining 1,650 square miles of the Upper Chickasawhay basin. Its datum sits 119 feet above sea level NAVD88. Daily flow has been on record here since 1939, 26 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Chickasawhay River at Quitman, MS, reading 965 square miles. This gauge adds the 685 square miles that drain in between.

Normal flows here

The Chickasawhay River runs a median of 1,020 cfs at this gauge across 26 years of record. February is the fullest month at a median 4,130 cfs, and October the leanest at 337 cfs. The highest daily mean on record is 30,000 cfs in 2016, and the lowest is 149 cfs in 1943.

Median flow by month
MonthMedian flowShare of annual median
Jan2,620 cfs257%
Feb4,130 cfs405%
Mar4,090 cfs401%
Apr3,295 cfs323%
May1,480 cfs145%
Jun878 cfs86%
Jul910 cfs89%
Aug601 cfs59%
Sep416 cfs41%
Oct337 cfs33%
Nov574 cfs56%
Dec1,330 cfs130%

Medians from the USGS daily-statistics record, 1939 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Chickasawhay River reaches flood stage at this gauge at 35 feet. NWS starts watching it at 30 feet. The highest crest on record is 50.3 feet, in April 1900.

NWS flood categories
CategoryGage height
Action30 ft
Minor flooding35 ft
Moderate flooding45 ft
Major flooding48 ft
Highest crests on record
WhenCrest
April 190050.3 ft
February 195147.9 ft
April 193847.1 ft
December 196142.2 ft
March 197942.1 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge WYNM6. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02477500. Percentile context computed against the gauge's period of record. Not for navigation.

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