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Ground Water Basins

Abstract: This data was acquired from the Integrated Water Resources Information System (IWRIS), hosted by the California Department of Water Resources(DWR). The Bulletin 118 Groundwater Basins shapefile was downloaded, projected to the CCS83 Zone 5 (ftUS) Map projection and clipped to the Los Angeles County Boundary for internal Los Angeles County use.It is […]

Spreading Grounds

Abstract: This layer was created to represent stormwater spreading grounds operated by the Los Angeles County Department of Public Works. These spreading grounds are selected and managed for capturing as much water as possible during storms. Locations were chosen with permeable soil formations to enable recharging of underground aquifers. An estimated 30 to 40 […]