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FROM THE LAKE MURRAY ASSOCIATION OFFICE: This update covers the one week period from March 1, 2010 through March 7, 2010. The attached graphs are of PROVISIONAL DATA for the following parameters for the period of 2/28/10 through the morning of 3/8/10: Saluda River discharge at the Chappells gauge (main tributary to Lake Murray), Little River discharge at the Little River Near Silverstreet gauge (tributary to Lake Murray), Bush River discharge at the Bush River Near Prosperity gauge (tributary to Lake Murray), Little Saluda River near Saluda (a recently gauged tributary to Lake Murray), reservoir level at Lake Murray, Saluda River discharge below Lake Murray Dam and Saluda River DO below Lake Murray Dam. As can be seen from the graphs, inflow to Lake Murray varied this period due to runoff in the basin and releases from Lake Greenwood. Reservoir level began the period at about el. 357.76 ft. and ended the period at about el. 357.96 ft. Saluda Hydro was utilized to meet downstream flow requirements and was available to meet system reserve requirements. Indicated DO in the tailrace generally was in the range of about 11.5 – 12.5 mg/l. On January 4th the turbine vents on units 1 - 4 were closed. At this time, SCE&G plans to generate for lake level management this week. This is subject to change based on hydrologic and system conditions. Going forward, SCE&G will operate Saluda Hydro to manage the reservoir level, while balancing inflow, municipal water withdrawals, and evaporation rate in the reservoir; and dissolved oxygen, agreed upon minimum flow, and agency or other requested discharges in the lower Saluda River; with system reserve and emergency generation requirements. Please contact me if you have any questions, or if you have any problems with the attachments.
Ray Ammarell
Mail Code A-221 Cayce, SC 29033-3701 803-217-7322 Phone
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