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Chattahoochee River below Morgan Falls Dam water level

River gauge, Chattahoochee River, Georgia, United States

Directions

Right now

Normal for mid-October

Water level

811.30ft Steady over the last 24 hours

Flow
1,230 cfs
810 815 820 825 Highest onrecord 827.01 ft Minor floodstage 821.00 ft

History

Not enough readings for a chart yet. History builds up with every update.

What this means

The Chattahoochee River below Morgan Falls Dam is at 811.30 ft, in the normal range for mid-October.

That puts it 0.36 ft below the median of 811.66 ft for mid-October, based on 26 years of readings. It is 9.70 ft below the flood stage of 821.00 ft.

The level has held steady over the past 24 hours.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 26 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
811.66 ft0.36 ft below the median for this date
Normal for this date
810.92 ft – 813.79 ft8 years in 10 fall in this range (26 years of records)
Highest on record
827.01 ftSeptember 22, 2009

Floating and fishing near Chattahoochee River below Morgan Falls Dam

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 821.00 ft, 9.70 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

827.00 ft
Record flooding occurs with numerous evacuations downstream from the gage at Morgan Falls Dam. Extensive damage occurs to homes on Columns Drive in Cobb County and the road is under several feet of water. Widespread flood damage affects many homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Most of the Chattahoochee River National Recreation Area will be under several feet of water. This will be similar to the September 2009 flood event.
826.00 ft
Major flooding begins and causes widespread inundation and evacuations downstream from the gage at Morgan Falls Dam. Extensive damage occurs to homes on Columns Drive in Cobb County and the road is covered with a few feet of water. Flood waters affect many homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Large portions of the Chattahoochee River National Recreation Area will be under several feet of water.
825.00 ft
Significant flooding occurs downstream from the gage at Morgan Falls Dam. This affects homes on Columns Drive in Cobb County and the water will cover portions of the road near Sope Creek. Flood waters begin to affect several homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Some evacuations will be likely. Large portions of the Chattahoochee River National Recreation Area will be under several feet of water.
823.00 ft
Moderate flooding begins and expands further into the residential yards downstream from the gage at Morgan Falls Dam. This affects homes on Columns Drive in Cobb County and the water will begin to cover the road near Sope Creek. The water will begin to reach the foundations of homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Large portions of the Chattahoochee River National Recreation Area will be under a few feet of water.
822.00 ft
Minor flooding continues of residential yards downstream from the gage at Morgan Falls Dam. This will affect homes on Columns Drive in Cobb County and the water will begin to rise up on the concrete bridge over Sope Creek. Minor flooding will expand in the yards of homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Portions of the Chattahoochee River National Recreation Area and Atlanta Country Club Golf Course will have minor flooding.
821.00 ft
Flood stage is reached. Minor flooding of residential yards occurs downstream from the gage at Morgan Falls Dam. This will affect homes on Columns Drive in Cobb County and the water will reach the bottom of the bridge over Sope Creek. Minor flooding will also affect the yards of homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Portions of the Chattahoochee River National Recreation Area will have minor flooding.
819.00 ft
Bankfull conditions are reached downstream from the gage at Morgan Falls Dam. Water begins to flow into low areas of the flood plain. This will affect residential yards of homes on Columns Drive in Cobb County...and Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Low areas of the Chattahoochee River National Recreation Area will begin to flood.
811.30 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
1827.01 ftSeptember 22, 2009
2824.71 ftSeptember 17, 2004
3822.59 ftSeptember 21, 2009
4820.93 ftMarch 6, 2003
5820.56 ftOctober 12, 2009
6819.28 ftJuly 16, 2005
7819.12 ftMay 19, 2013

Weather at the gauge

No rain in the last 3 days.

18 Sun 65° 43° – Wind 13 mph
19 Mon 69° 39° – Wind 10 mph
20 Tue 76° 54° – Wind 6 mph
21 Wed 78° 58° – Wind 5 mph
22 Thu 77° 57° – Wind 7 mph
23 Fri 77° 58° – Wind 7 mph
24 Sat 72° 55° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:46 AM Sunset 07:00 PM Daylight 11 hr, 14 min First quarter 61%

Map

Other gauges on the Chattahoochee River

Gauge Level Compared with normal 24 hours Distance
Chattahoochee River near CorneliaRiver gauge, Chattahoochee River 0.13 ft Very low ±0 59 mi
Chattahoochee River at Buford Dam, near BufordRiver gauge, Chattahoochee River −0.57 ft Very low ±0 22 mi
Chattahoochee River near BufordRiver gauge, Chattahoochee River 5.68 ft No reference yet −0.93 ft 20 mi
Chattahoochee River near NorcrossRiver gauge, Chattahoochee River 1.70 ft Very low −0.95 ft 11 mi
Chattahoochee River above RoswellRiver gauge, Chattahoochee River 2.61 ft Very low −0.85 ft 4.1 mi
Chattahoochee River at Morgan Falls DamReservoir, Chattahoochee River 865.19 ft Normal +1.06 ft 0.1 mi
Chattahoochee River at US 41, at AtlantaRiver gauge, Chattahoochee River 4.37 ft Low −0.03 ft 8 mi
Chattahoochee River at AtlantaRiver gauge, Chattahoochee River 2.99 ft Low −0.04 ft 9 mi
Chattahoochee River at GA 280, near AtlantaRiver gauge, Chattahoochee River 4.25 ft Low +0.03 ft 12 mi
Chattahoochee River near FairburnRiver gauge, Chattahoochee River 0.37 ft Low +0.04 ft 27 mi
Chattahoochee River above Bear Creek, near RicoRiver gauge, Chattahoochee River 0.72 ft Low +0.04 ft 32 mi
Chattahoochee River near WhitesburgRiver gauge, Chattahoochee River 2.99 ft Low +0.03 ft 45 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Willeo Creek at GA 120, near RoswellRiver gauge, Willeo Creek 0.89 ft Normal −0.01 ft 2.5 mi
Sope Creek near MariettaRiver gauge, Sope Creek 0.92 ft Low ±0 3.6 mi
Big Creek below Hog Wallow Creek at RoswellRiver gauge, Big Creek 2.44 ft Normal −0.15 ft 3.9 mi
Sewell Mill Creek at GA 120, near MariettaRiver gauge, Sewell Mill Creek 1.06 ft Low ±0 4.0 mi
Nancy Creek at Johnson Ferry Road, at ChambleeRiver gauge, Nancy Creek 3.57 ft Very low −0.03 ft 5.3 mi
Chatt River at Powers Fy and I-285 near AtlantaRiver gauge, Chatt River 3.72 ft Low −0.01 ft 5.7 mi
Rottenwood Creek at Interstate N Pkwy, near SmyrnaRiver gauge, Rottenwood Creek 2.16 ft Normal +0.01 ft 7 mi
Nancy Creek at Rickenbacker Drive, at AtlantaRiver gauge, Nancy Creek 1.18 ft High +0.01 ft 7 mi

Questions and answers

What is flood stage for the Chattahoochee River below Morgan Falls Dam?

The official flood stage is 821.00 ft. The level is currently 9.70 ft below it.

What is a normal level for the Chattahoochee River below Morgan Falls Dam in mid-October?

The median for mid-October is 811.66 ft. In 8 years out of 10 the reading falls between 810.92 ft and 813.79 ft, based on 26 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Chattahoochee River below Morgan Falls Dam today?

On Oct 16, 2026, 11:15 AM EDT, the water level was 811.30 ft. Steady over the last 24 hours.

Is Chattahoochee River below Morgan Falls Dam rising or falling?

Steady over the last 24 hours.

Is the level of Chattahoochee River below Morgan Falls Dam normal?

Normal for mid-October. Compared with 26 years of daily readings for this time of year.

What is the highest water level ever recorded at Chattahoochee River below Morgan Falls Dam?

The highest level on record is 827.01 ft on September 22, 2009.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:02335815 (Agency page)
Coordinates
33.96775, -84.38367 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 811.30 ft 2026-10-16 15:15 Provisional
Flow 1,230 cfs 2026-10-19 17:15 Provisional

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How to cite

U.S. Geological Survey: Chattahoochee River below Morgan Falls Dam (usgs:02335815). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/georgia/chattahoochee-river-below-morgan-falls-dam

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.