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<br />~ <br />en <br />C) <br />~ <br /> <br />water delivery system losses and deep percolation from <br /> <br />agricultural areas. <br /> <br />The total Grand Valley area USDA and <br /> <br />Reclamation efforts are expected to reduce the salt load by <br /> <br />about 400,000 tons annually, <br /> <br />~~ ~., of "'"' .,d .," .",. <br /> <br /> <br /> <br />~ Paradox Valley in southwestern Colorado is a collapsed salt <br /> <br />anticline underlain by a salt dome. The dome adds about <br /> <br />205,000 tons of salt annually to the Dolores River from <br /> <br />ground water which originates in the valley, The plan is <br /> <br />designed to remove 180,000 tons a year by pumping the <br /> <br />saline ground water (brine of 260,000 mg/L TDS) from <br /> <br />shallow collection wells along the Dolores River, thus <br /> <br />preventing it from surfacing in the riverbed, <br /> <br />Deep well injection was selected as the method to dispose <br /> <br />of the brine because it is technically, environmentally, <br /> <br />and economically attractive, <br /> <br />After construction of an <br /> <br />injection well, filtration plant, and pipeline to test the <br /> <br />injection formation for disposal capacity, a decision will <br /> <br />be made whether to use deep well injection as a permanent <br /> <br />disposal method, <br /> <br />In the Las Vegas Wash Unit, a 3.5 mile pipeline (Pittman <br /> <br />bypass) to detour fresh water around saline soils is <br /> <br />complete and in operation, <br /> <br />The expected salt reduction is <br /> <br />7,000 tons annually, <br /> <br />14 <br />