This polygon shapefile represents the boundary of the San Joaquin Area Flood Control Agency (SJAFCA) as of July 2015. The SJAFCA's mission is to study, plan and implement flood protection projects to reduce the risk of flooding to people, structures, and our community's economy. This layer is part of a collection of GIS data for San Joaquin County in California. This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. San Joaquin County (Calif.). Community Development Department. (2015). Flood Control Agency Boundary Map, San Joaquin County, California, 2015 . San Joaquin County Community Development Department. Available at: http://purl.stanford.edu/nh196mr8655. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.