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Lake Sidney Lanier
Water Supply for Atlanta, GeorgiaField Photos 11/19/07 by J. Ebert
Southeast Drought
• The Southeast U.S. is in the midst of one of the worst droughts on record
• Approximately 3 million people live in Atlanta and its surrounding metropolitan
• These people will run out of water in 79 days!
Buford Dam – 192 Feet High
Buford Dam Outlet(Bedrock = Gneiss)
Lake Lanier Watershed Comprises northern portion of the Chattahoochee River Watershed
Lake Lanier has a very low ratio of watershed to surface area
Lake Lanier: A Multipurpose Lake
• Constructed by US Army Corps of Engineers
• Provides– Flood protection– Power production– Water supply– Navigation– Recreation– Fish and wildlife management
Monitoring Water Level in Lake Lanier
• 11/19/07 Lake Lanier hits record low level of 1052.64 feet (just a few hours after this photo)– lowest level since construction
• Level is about 11 ft. below average and 15 ft. below capacity
• Source: Atlanta Journal Constitution & USACE
Average and Forecast Lake Levels
Source: U.S. Army Corps of Engineers
Monitoring Water Level in Lake Lanier
• Lake Lanier now holds only 42% of its capacity
• Surface area is reduced by 22%
• This level represents a 79 day supply for the Atlanta metropolitan area
• Source: Atlanta Journal Constitution
Expanded Island in Lake Lanier
Low Water Level(Dr. Ebert’s Grandson for Scale)
Falling Water Marks & Low Lake Level
Boat Launch – Currently Useless!
High and Dry!(This Says It All)