TidalMap
Explore this water on the live chart →

Leaf River near Mclain, MS Water Level Today

Mississippi · USGS gauge 02475000 · live data · Updated Oct 28, 2026

Loading…

About this gauge

USGS gauge 02475000 sits on the Leaf River and reads everything draining 3,495 square miles of the Lower Leaf basin. Its datum sits 42 feet above sea level NAVD88. Daily flow has been on record here since 1940, 86 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Leaf River near New Augusta, MS, reading 2,542 square miles. This gauge adds the 953 square miles that drain in between. Downstream the next reading comes from Pascagoula River at Merrill, MS at 6,590 square miles, so what passes this gauge is about 53% of the water measured there.

Normal flows here

The Leaf River runs a median of 2,115 cfs at this gauge across 86 years of record. March is the fullest month at a median 7,730 cfs, and October the leanest at 1,110 cfs. The highest daily mean on record is 126,000 cfs in 1961, and the lowest is 401 cfs in 2001.

Median flow by month
MonthMedian flowShare of annual median
Jan5,130 cfs243%
Feb7,050 cfs333%
Mar7,730 cfs365%
Apr5,925 cfs280%
May2,660 cfs126%
Jun1,755 cfs83%
Jul1,710 cfs81%
Aug1,530 cfs72%
Sep1,255 cfs59%
Oct1,110 cfs52%
Nov1,370 cfs65%
Dec3,180 cfs150%

Medians from the USGS daily-statistics record, 1940 to 2025. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Leaf River reaches flood stage at this gauge at 18 feet. NWS starts watching it at 13 feet. The highest crest on record is 31.8 feet, in April 1900.

NWS flood categories
CategoryGage height
Action13 ft
Minor flooding18 ft
Moderate flooding24 ft
Major flooding28 ft
Highest crests on record
WhenCrest
April 190031.8 ft
February 196131.6 ft
April 197430.4 ft
March 201629.9 ft
December 201828.7 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge MCLM6. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02475000. Percentile context computed against the gauge's period of record. Not for navigation.

Open Leaf River near Mclain, MS on the live chart →

River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.