Chattahoochee River at GA 280 near Atlanta

The past week

What floods at each level

• 36 ft

  Record flooding inundates the area around South Cobb Drive. Flood waters 1 to 12 feet deep cover the railroad tracks. Several commercial buildings off South Cobb Drive and River View Road and a portion of Plant McDonough and Paul Avenue will be under 7 feet of water. A few homes will be flooded. Most of a cement plant including their sales office will be flooded with 1 to 6 feet of water. A supply line railroad bridge will be topped several feet deep. This will be similar to the September 2009 flood event.

• 34 ft

  Widespread inundation flooding surrounds South Cobb Drive. Flood waters 1 to 10 feet deep cover the railroad tracks in this area. Several commercial buildings off South Cobb Drive and River View Road will be flooded. Portions of a river access road on Plant McDonough and Paul Avenue will be under 6 feet of water. A few homes will be flooded. Half of a cement plant including their sales office will be flooded with 1 to 4 feet of water. A supply line railroad bridge will be topped with potential damage.

• 32 ft

  Widespread inundation flooding surrounds South Cobb Drive. Flood waters 1 to 8 feet deep cover the railroad tracks in this area. Flood waters enter commercial buildings off South Cobb Drive and River View Road. Portions of a river access road on Plant McDonough and Paul Avenue will be under 4 feet of water. A few homes will be flooded. Portions of a cement plant will be flooded with 1 to 2 feet of water. Flooding begins in their sales office. Half of a supply line railroad bridge will be topped.

• 31 ft

  Major flooding begins. Widespread inundation flooding occurs from the gage on South Cobb Drive. Flood waters 1 to 7 feet deep cover the railroad tracks in this industrial area. Flood waters enter commercial buildings off South Cobb Drive and River View Road. Portions of a river access road on Plant McDonough and Paul Avenue will be under 3 feet of water. A few homes will begin to flood. Low lying areas of a cement plant near their detention pond and a supply line railroad track will begin to flood.

• 30 ft

  Significant flooding expands upstream and downstream from the gage on South Cobb Drive. Flood waters 1 to 6 feet deep cover the railroad tracks in this industrial area. Flood waters begin to enter commercial buildings off South Cobb Drive and River View Road. A portion of a river access road on the Georgia Power Plant McDonough will be under two feet of water. The water level reaches the parking lot of the sales office at a cement plant and a portion of Paul Avenue will be under two feet of water.

• 28 ft

  Moderate flooding begins. Significant flooding occurs along the river upstream and downstream from the gage on South Cobb Drive. Flood waters 1 to 4 feet deep cover the railroad tracks in the industrial area on both sides of the river. The water level approaches the parking lot of the sales office at a cement plant and begins to flood a portion of Paul Avenue. Also a portion of a the river access road on the Georgia Power Plant McDonough begins to flood.

• 26 ft

  Minor flooding continues in the woodlands and fields along the river upstream and downstream from the gage on South Cobb Drive. Flood waters one to two feet deep cover portions of the railroad tracks in the industrial area on both sides of the river. The water level approaches the foundations of a few commercial buildings in the area.

• 24 ft

  Flood stage is reached. Minor flooding occurs of the woodlands and fields in the natural flood plain upstream and downstream from the gage on South Cobb Drive. The water level reaches the railroad tracks in the industrial area on both sides of the river near the bridge.

• 22 ft

  Bankfull conditions are reached along the river upstream and downstream from the gage on South Cobb Drive.

Highest crests on record

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