Possible Alternate Reservoir for Lake Lanier?

Note: We stumbled across this story and thought this would be of interest to our readers. The debate is hot right now as Atlanta and Georgia seek to define their future water source for the area.

Dawson Forest May Host Reservoir Alternative To Lake Lanier

Since 1971 Dawson Forest on the western side of Lake Lanier has been owned by Atlanta and Hartsfield-Jackson Airport with the intention of using the land for a second airport. However, pressure for another airport diminished when Hartsfield-Jackson added a fifth runway in 2006 and now, in the aftermath of the court decision potentially restricing Georgia's access to Lake Lanier, some developers are renewing previous talk of building a new reservoir in the forest....http://www.lakelanier.com/200908241048/news/dawson-forest-reservoir-lake-lanier/

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Atlanta Dept. of Watershed Management Response to H.B. 406

On Tuesday the Senate Rules Committee passed onto the floor a special interest bill that works against the common interests of all Georgians. It undermines investment in drinking water projects, including new reservoirs. It does this by jeopardizing infrastructure revenue bonds for the entire state of Georgia.

"House Bill 406 turns upside down the progress Georgia has made in water resource planning. It allows special interest projects to bypass the tried and true processes for project permitting and service delivery," says DWM Commissioner Robert Hunter.

H.B. 406 is designed to allow a local pump-storage reservoir in South Fulton County to avoid state requirements that have been in place for decades. The reservoir would constitute a new water withdrawal from the Chattahoochee River. One consequence of the statewide legislation would be to fundamentally change the process to decide which utility provides services within any given area. This change would make Georgia law and regulation significantly different from that of other States and would also significantly increase the risk to Georgia revenue bonds. Published reports by bond rating agencies verify that the stability of service areas is an important rating factor for revenue bonds.

"The national bond market is very unstable at the moment and even more so in Georgia where we have seen water system revenues drop by as much as 20 percent due to the drought. This is absolutely the wrong time to increase the risk to our infrastructure bonds by increasing the uncertainty of service areas and the revenues needed to pay the bond debt," says Hunter.
H.B. 406 will not increase investment in drinking water infrastructure or reservoir development. "It will, in fact, harm future reservoir development," says Hunter.
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Drought Tightens its Grip on North Georgia

Drought conditions continue to grow harsher across north Georgia. Water levels in reservoirs and streams are at or near record lows across most of the region. Groundwater levels are also low.

Lake Lanier, a primary water source for metro Atlanta, is at a record low for mid-November. The previous mid-November record low was at this time last year.

Hartwell, Russell and Clarks Hill lakes in the Savannah River basin are at record low levels. Both Russell and Clarks Hill have less than two feet of usable pool left. Hartwell water levels are dropping very quickly in order to meet downstream needs. The U.S. Army Corp of Engineers reports that the remaining conservation pool for Hartwell is 34 percent, for Russell it’s 32 percent and for Clarks Hill it’s 10 percent.

Even with normal seasonal rains, it’s doubtful that Lanier, Hartwell, Russell or Clarks Hill lakes will fully recover this winter.

Major rivers that are at record low flows for mid-November include the Etowah River at Canton, the Chattahoochee River near Cornelia, Chestatee River near Dahlonega, the Middle Oconee River at Athens, the Broad River near Bell, the Little River near Washington, the Oconee River at Dublin and the Altamaha River near Baxley.

Because of the extremely low stream flows, many counties in north Georgia have had their drought level classifications changed to a more intense level.

Exceptional drought – the most severe drought level - now exists north and east of a line running through Lincoln, Wilkes, Olgethorpe, Oconee, Barrow, Gwinnett, Hall, Forsyth, Cherokee, Pickens, Gilmer and Fannin counties. This region includes Athens, Gainesville and Atlanta’s northern suburbs.

Extreme drought conditions are now in Columbia, Richmond, McDuffie, Glascock, Taliaferro, Warren, Hancock, Greene, Morgan, Walton, Gwinnett, north Fulton and Cherokee counties. The extreme conditions are also in parts of Pickens, Gilmer, Fannin and Murray counties.

Most of the remaining area north of the fall line is in severe drought. Heard, Troup, Harris and most of Talbot and Muscogee counties are in moderate drought.

The ocean-atmosphere system is in what climatologist call a neutral pattern, meaning it is in neither an El Niño nor a La Niña pattern. Historically, neutral-pattern winters have been very variable.

There is no strong indication that the winter of 2008-09 will be abnormally wet or dry. The trend over the past 15 years, however, has been for dry winters.

There is also no strong indication that the winter will be abnormally warm or cool. An important historical observation is that every major devastating freeze has occurred during a neutral-pattern winter.

With recent winters being our best guide, the most prudent response is to assume that this winter will tend toward the dry side. Water conservation efforts should continue.

Additional drought information and updates can be found at www.georgiadrought.org. Automated weather data across Georgia is at www.georgiaweather.net. Daily rainfall data is at www.cocorahs.org. U.S. Geological Survey data is at ga.water.usgs.gov. Water conservation information is available at www.conservewatergeorgia.net.

By David Emory Stooksbury
University of Georgia

David Emory Stooksbury is the state climatologist and a professor in engineering and atmospheric sciences at the University of Georgia.

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