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Chatt River at Powers Fy and I-285 near Atlanta, GA Water Level Today

Georgia · USGS gauge 02335880 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02335880 sits on the Chatt River and reads everything draining 1,420 square miles of the Upper Chattahoochee basin. Its datum sits 777 feet above sea level NAVD88. Daily flow has been on record here since 2018, 8 years of it.

Where this gauge sits in the drainage

Seven gauged sites sit upstream of here. The closest is Chattahoochee River below Morgan Falls Dam, GA, reading 1,370 square miles. This gauge adds the 50 square miles that drain in between. Downstream the next reading comes from Chattahoochee River at US 41, at Atlanta, GA at 1,440 square miles, so what passes this gauge is about 99% of the water measured there. Water passing here goes on to Chattahoochee River at Atlanta, GA, Chattahoochee River at GA 280, near Atlanta, GA and Chattahoochee River near Fairburn, GA.

Normal flows here

The Chatt River runs a median of 2,050 cfs at this gauge across 8 years of record. March is the fullest month at a median 3,750 cfs, and September the leanest at 1,580 cfs. The highest daily mean on record is 20,100 cfs in 2024, and the lowest is 804 cfs in 2026.

Median flow by month
MonthMedian flowShare of annual median
Jan2,480 cfs121%
Feb3,470 cfs169%
Mar3,750 cfs183%
Apr3,290 cfs160%
May2,820 cfs138%
Jun1,975 cfs96%
Jul1,750 cfs85%
Aug1,760 cfs86%
Sep1,580 cfs77%
Oct1,660 cfs81%
Nov1,735 cfs85%
Dec1,840 cfs90%

Medians from the USGS daily-statistics record, 2018 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Chatt River reaches flood stage at this gauge at 13 feet. NWS starts watching it at 11 feet.

NWS flood categories
CategoryGage height
Action11 ft
Minor flooding13 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge VNPG1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Morgan Falls Dam sits 6 miles from this gauge and its releases set what this gauge reads. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02335880. Percentile context computed against the gauge's period of record. Not for navigation.

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