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<br />",,,) <br />", . <br /> <br />i~ <br />~". <br /> <br />l" <br />~ <br />If:) <br /> <br />During most seasons the removal of this <br /> <br />quantity of water will be relatively insig- <br />nificant, but during periods of low flow, it <br /> <br />may decrease flow in the Yampa by as much as <br /> <br />10 or 12 percent. Water released from the <br /> <br />Elkhead Creek Reservoir at these times will <br /> <br />keep up the flow in the river between Elk- <br /> <br />head Creek and the plant site. <br /> <br />Figure 21 diagrams the water systems for <br /> <br />the entire plant. Water will be used to <br /> <br />cool the ash hoppers and to transport the <br /> <br />bottom ash to the de-watering bins. Water <br /> <br />from the de-watering bins will be recycled <br /> <br />in the ash sluicing system. Blowdown from <br /> <br />this system will be used for coal and dust <br /> <br />suppression. Surplus liquid will be dis- <br /> <br />charged to the evaporation pond. <br /> <br />Make-up water will consist of water from <br /> <br />the cooling tower blowdown to the extent <br /> <br />available. Aqditional make-up water will <br /> <br />be obtained from the water storage pond. <br /> <br />~o ash settling pond will be required. <br /> <br />A fresh ,water storage pond will be <br />-136- <br />