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<br />3. Construct recharge ponds filled using recharge wells: <br /> <br />This alternative would consist of drilling three wells used <br />to pump water into recharge ponds. This system, as used on <br />the Tamarack Ranch, pumps water during the winter months <br />when there is generally not a call on the river and places <br />water in a pond for re-timing to the river. The water from <br />the pond is returned to the river by underground percolation <br />which due to a time delayed effect causes the majority of <br />this water to show up in the river during the summer time. <br />This is the time when the Rothe farm has depletions that <br />need to be offset with augmentation water. The Rothe farm <br />would also construct two wells used for supplying <br />augmentation water directly to the river. This is a drought <br />management tool currently being used by GASP with approval <br />from the State Engineer to help provide augmentation water <br />during the most severe drought situation. The cost of this <br />alternative is $392,758. <br /> <br />The Se1ected Project <br /> <br />Rothe plans to construct alternative #3. Features of this <br />alternative are broken into three separate subprojects and are as <br />follows: <br /> <br />1. Rothe reeharqe site No.1: A 15,560-foot pipeline will be <br />built between the South Platte River and the Bijou Canal. A <br />recharge well (75 HP motor with 1,500 GPM pump) will be <br />located at the river with electrical power run from an <br />existing power source. An augmentation well (100 HP motor <br />and 1,500 GPM pump) will be located near the canal. An <br />existing irrigation well located along the pipeline will be <br />converted and used as an augmentation well. Two new canal <br />pumps (15 HP and 2,500 GPM, and 10 HP and 2,500) will also <br />be located on the Bijou Canal. This system will be capable <br />of filling 8 separate augmentation pond sites, from either <br />the river, or from the canal. <br /> <br />2. Rothe recharqe site No.2: A 3,600-foot pipeline will be <br />built between the South Platte River and 3 augmentation pond <br />sites. A recharge well (75 HP motor and 1,500 GPM pump) will <br />be located at the river with electrical power run from an <br />existing power source. <br /> <br />Feasibility Study <br />Rothe Aug Project <br />July 2003 <br /> <br />5 <br />