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<br />Ocr2~~3' <br /> <br />. <br /> <br />the Bessemer Di-tch which are pumped.. into the plant system, and by pur- <br />ohases o~ water for domestic purposes from Public ~ater Works District <br />fie of the City o~ Pueblo. After the utilization of water for all pur- <br />poses in the steel mill, the unconsumed portions are oollected into <br />several plant sewers, the discharges of which are measured and recorded <br />by the Water Department. <br />Comparin:; the total inflow to the plant with the total outflow <br />via sewers affords a measure of the e~fect of plant operations. It is <br />assumed that the dif~erenoe bet.veen the inflows to and outflows from the <br />plant are the 'luan ti ties withheld from the river, and consumed incident <br />to the utilization of vtater in the plant. However, it is probable that <br />some underground returns take place that are not collected and measured <br /> <br />in the sewers. Estimates in this regard are precluded by other ground- <br /> <br />waters in the vioinity, such as percolation losses ~rom the Bessemer <br /> <br />Ditch, and possible leakages from the municipal distribution system. <br />Final conclusions with respect to overall operations of the <br />Water Department, including all sources of vtater supply,are that 17.4% <br />of the vrater supplies are consumptively used, ani that 82.{f'; are re- <br /> <br />turned to natural stream channels and the Arkansas River (see PaGEl 1 <br /> <br />of the attached analyses). <br />Considering only the Arkansas River water diverted by the <br /> <br /> <br />A.V.C., the conclusion is that 16.9% of the diverted water is oonsumed <br /> <br /> <br />and 83.1% is returned to natural stream channels and the Arkansas River <br /> <br /> <br />(see Page 13 of the attached analyses). <br /> <br />. <br /> <br />(e) <br />