Chattahoochee River below Morgan Falls Dam near Roswell
Critical Stages
819' - Action
821' - Flood
823' - Moderate
826' - Major
Latest Observation
Updated: 5:45 PM EST 12/5/25
Status: No Flooding
Stage: 811.15 ft
Flow: 1.08 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:45 PM 12/5 | 811.15 | 1.08 |
| 5:30 PM 12/5 | 811.14 | 1.07 |
| 5:15 PM 12/5 | 811.15 | 1.08 |
| 5:00 PM 12/5 | 811.14 | 1.07 |
| 4:45 PM 12/5 | 811.14 | 1.07 |
| 4:30 PM 12/5 | 811.15 | 1.08 |
| 4:15 PM 12/5 | 811.15 | 1.08 |
| 4:00 PM 12/5 | 811.15 | 1.08 |
| 3:45 PM 12/5 | 811.16 | 1.08 |
| 3:30 PM 12/5 | 811.17 | 1.09 |
| 3:15 PM 12/5 | 811.22 | 1.12 |
| 3:00 PM 12/5 | 811.27 | 1.14 |
| 2:45 PM 12/5 | 811.5 | 1.29 |
| 2:30 PM 12/5 | 811.49 | 1.28 |
| 2:15 PM 12/5 | 811.5 | 1.29 |
| 2:00 PM 12/5 | 811.5 | 1.29 |
| 1:45 PM 12/5 | 811.5 | 1.29 |
| 1:30 PM 12/5 | 811.5 | 1.29 |
| 1:15 PM 12/5 | 811.49 | 1.28 |
| 1:00 PM 12/5 | 811.49 | 1.28 |
| 12:45 PM 12/5 | 811.49 | 1.28 |
| 12:30 PM 12/5 | 811.5 | 1.29 |
| 12:15 PM 12/5 | 811.51 | 1.29 |
| 12:00 PM 12/5 | 811.49 | 1.28 |
| 11:45 AM 12/5 | 811.49 | 1.28 |
| 11:30 AM 12/5 | 811.5 | 1.29 |
| 11:15 AM 12/5 | 811.49 | 1.28 |
| 11:00 AM 12/5 | 811.5 | 1.29 |
| 10:45 AM 12/5 | 811.49 | 1.28 |
| 10:30 AM 12/5 | 811.49 | 1.28 |
827' -
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' -
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' -
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' -
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' -
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' -
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' -
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.
| Date | Stage (ft) |
|---|---|
| Sep 22, 2009 | 827.01 |
| Sep 17, 2004 | 824.71 |
| Sep 21, 2009 | 822.59 |
| Mar 6, 2003 | 820.93 |
| Oct 12, 2009 | 820.56 |
| Jul 16, 2005 | 819.28 |
| May 19, 2013 | 819.12 |
Data provided by the National Weather Service.