This polygon shapefile depicts boundares for Groundwater Subbasins in the County of Santa Clara, California. This includes distinctions between Califonia Department of Water Resources (DWR) groundwater subbasins (Santa Clara and Llagas), District groundwater areas (Santa Clara Plain, Coyote Valley and Llagas) and hydrographic units (Santa Clara Plain confined and recharge areas, Coyote Valley recharge area, Llagas confined and recharge areas and bedrock). A groundwater subbasin is a subdivision of a groundwater basin created by dividing the basin using geologic and hydrologic conditions or institutional boundaries.The Santa Clara and Llagas groundwater subbasin boundaries were extracted from DWR Bulletin 118 update 2003 GIS coverage. The Santa Clara Valley Water District manages an integrated water resources system that includes the supply of clean, safe water, flood protection and stewardship of streams on behalf of Santa Clara County's 1.8 million residents. This layer is part of a collection of GIS data for Santa Clara County, California. To identify portions of two groundwater basins as defined by the Califonia Department of Water Resources: the Santa Clara Valley (2-9) and the Hollister Valley Basins (3-3). This coverage can be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analyses of geospatial data. None.These datasets were developed for use by the Santa Clara Valley Water District (SCVWD) for its internal purposes only, and were not designed or intended for general use by members of the public. SCVWD MAKES NO REPRESENTATION OR WARRANTY AS TO ITS ACCURACY, TIMELINESS, OR COMPLETENESS. SCVWD MAKES NO WARRANTY OF MERCHANTABILITY OR WARRANTY FOR FITNESS OF USE FOR A PARTICULAR PURPOSE, EXPRESSED OR IMPLIED, WITH RESPECT TO THESE PRODUCTS OR THE UNDERLYING DATA. Any user of this data, accepts same AS IS, WITH ALL FAULTS, and assumes all responsibility for the use thereof, and further covenants and agrees to defend, indemnify, and hold SCVWD harmless from and against all damage, loss, or liability arising from any use of this product, in consideration of SCVWD having made this information available.Independent verification of all data contained herein should be obtained by any user of these products, or the underlying data. SCVWD disclaims, and shall not be held liable for, any and all damage, loss, or liability, whether direct, indirect, or consequential, which arises or may arise from these products or the use thereof by any person or entity. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.