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' <br />� <br />, <br />II <br />' <br />' <br />' <br />' <br />, <br />� <br />' <br />' <br />' <br />LJ <br />' <br />LJ <br />' <br />I�' <br />Well&Pit model. The model was developed through research at a recharge site on the eastern <br />side of the San Luis Valley in the Trinchera Creek drainage and is designed to predict ground <br />water changes from a single recharge pit rectangular in nature. At the site northeast of Del Norte, <br />the arrangement of the recharge sites consists of at least two pits with irregular shapes and nearby <br />canal laterals, all of which contribute recharge to an aquifer containing numerous clay lenses. <br />These irregularities and conditions exceed the design assumptions used in the referenced model. <br />Therefore, the use of the reference model at the recharge site located northeast of Del Norte <br />predicting change in ground water levels was not pursued. <br />In order for a ground water model to be an accurate predictor of changes in ground water levels <br />at this site, it would need to be multilayered and extensive calibration would be needed. <br />Preparation of such a model would be an interesting academic exercise, but due to its <br />complexity, it could not be easily used by water users. The CSU Well&Pit model when applied <br />to this site indicates that significant recharge is possible, which is sufficient for most water users <br />to assist them in planning their recharge facilities. <br />3-14 <br />' <br />