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"The Voice Of Lake Murray"
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FROM THE LAKE MURRAY ASSOCIATION OFFICE: This update covers the one week period from July 19, 2010 through July 25, 2010. The graphs below are of PROVISIONAL DATA for the following parameters for the period of 7/18/10 through the morning of 7/26/10: 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 was relatively low this period. Reservoir level began the period at about el. 357.57 ft. and ended the period at about el. 357.30 ft. Saluda Hydro was utilized to meet downstream flow requirements and was available to meet system reserve requirements. Saluda Hydro operated for reserve on July 20 and 25. Indicated DO in the tailrace generally was in the range of about 6.0 – 10.4 mg/l. As of July 14th the turbine vents on units 1 - 4 are open at 50%. At this time, there is no planned generation for this week. 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.
Amy Bresnahan SCE&G – Fossil Hydro Technical Services Mail Code A-221 220 Operation Way Cayce, SC 29033-3701 803-217-9965 Phone 803-733-4074 Fax
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