Aquatic Plant Management in Georgia Power Company Reservoirs
Broadwell, Thomas L.
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Georgia Power Company (GPC) operates 14 reservoirs covering 57,905 acres. Six reservoirs are located in the Mountains, seven are in the Piedmont, and one is in the Coastal Plain. This presentation will summarize the aquatic plant management activities in GPC Reservoirs. These reservoirs are susceptible to colonization by noxious exotic aquatic plants, such as Waterweed (Egeria densa) and Eurasian water-milfoil (Myriophyllum spicatum). These and other nuisance aquatic plants can be found in company reservoirs and in adjacent reservoirs. At least 58 species have been found in GPC reservoirs (Table 1). Once these plants become well established, eradication is not feasible in most cases. Control measures are expensive and can interfere with recreational use of the reservoir. Early detection and prompt control measures prior to establishment of exotic aquatic plants will result in lower management costs. GPC's goals for aquatic plant management are to prevent the spread of noxious aquatic plants, allow optimum recreational use, and minimize operational problems with aquatic plants at generating units.