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• Summary <br />Washing/processing 210.0 of/yr <br />Irrigation 30.0 of/yr <br />Total requirement 240.® a€/yr <br />Water will be provided from the Columbia Ditch whic has a <br />decreed water right of 60 cfs for placer mining purpo es. A <br />copy of the decree is attached. An existing pipe takes <br />water from the Columbia Ditch. This pipe will be moved <br />closer to Plant A as shown on Plate 4. <br />There is no data available regarding South Platte River <br />water quality near Alma. The nearest monitoring sta ion is <br />located above Antero Reservoir west of Fairplay. <br />Because there will be no discharge from the impoundme ts, an <br />NP DES permit is not required. A catchment basin will be <br />constructed below the initial pond at Plant A of suf icient <br />size to retain any waters that would be released iE t e pond <br />was breached. See Exhibit C, Plate 2. The South entral <br />Pond will be constructed deep enough so that a breac will <br />not be possible. <br />• <br />• <br />21 <br />