This report presents the results from the 2001-03 ground-water sampling effort. The study area is described in terms of land use, hydrogeologic framework, and ground-water recharge potential. Details regarding the well network, sampling methodology, laboratory analytical methods, quality assurance (QA) procedures, and quality control (QC) measures are provided. Data are summarized in tabular format and qualified where appropriate. A general statistical summary of the data is provided. Data are evaluated with respect to Federal standards for drinking water (U.S. EPA, 2004) and surface water (U.S. EPA, 1986). Major-ion chemistry is discussed with geochemical interpretations based largely on the work of others (Hamilton et al., 1993; Andres, 1991a; Denver, 1986, 1989, 1993). Lastly, the occurrence of nitrate and phosphorus are evaluated in terms of spatial distributions, geochemical environment, and recharge-potential setting (Andres et al., 2002). Click here to download a copy of the report (3 MB).

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