Description: Boundary of the Water Replenishment District based on the legal description: Polygon boundary of the Water Replenishment District (WRD) based on the July 6, 1959 legal description presented at the State of California Department of Water Resources hearing for the information of the Central and West Basin Water Replenishment District, also known as Water Replenishment District of Southern California cut at the shoreline.
Description: This layer shows sites located within the WRD Service Area that have been identified by the California Department of Toxic Substance Control (DTSC) as meeting the criteria of Title 22
Description: Point layer showing the access gates to the Montebello Forebay spreading grounds
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: Generated by WRD GIS based on LADPW maps and aerial images
The enclosed data/maps are designed to provide information about physiographic conditions of the Central and West Coast groundwater basins, and has been prepared for general planning and informational purposes only. The information is provided on an "as-is" basis, and the Water Replenishment District of Southern California (WRD) makes no warranty as to the content, accuracy or completeness of any of the data provided herein. Further, the WRD, its agents, and employees assume no liability for any errors, omissions, or inaccuracies in the information provided regardless of how caused, and assume no liability nor responsibility to any person or entity with respect to any loss or damages in connection with or rising from the information contained on the data/maps. The user of the data/maps acknowledges unconditional acceptance of the above disclaimer.
Description: Known faults in and around the WRD service area as described in Bulletin 104 and digitized by the USGS. The name was changed from Faults_All to USGS_Faults_All on 5/23/2019 to distinguish it from the fault layer downloaded from the California Geologic Survey (CGS)
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: Bulletin 104 as digitized by the USGS
Description: This layer shows sites located within the WRD Service Area that have been identified by the California Department of Toxic Substance Control (DTSC) as meeting the criteria of Title 22
Description: This layer shows the 2017 Saline Plume based on Chloride concentrations and hand-drawn by Everett Ferguson, PG, Senior Hydrogeologist. The concentrations show 250 - 500 ppm, 500 - 1,000 ppm, 1,000 - 3,000 ppm, 3,000 - 5,000 ppm, & > 5,000 ppm for the Gage, Lower San Pedro (LSP) and Silverado aquifers. This layer also included 500 foot buffers of each contour in each aquifer.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: WRD
DISCLAIMER: The information included in this document and any associated materials has been compiled from a variety of sources and is subject to change without notice. WRD makes this data available without charge as a public service on the express condition that users who view, download, access or use the data expressly agree to the terms contained here and on the website. No representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information is provided. This data is intended for informational purposes and should not be considered authoritative or accurate for any use.
Description: This layer shows the 2017 Saline Plume based on Chloride concentrations and hand-drawn by Everett Ferguson, PG, Senior Hydrogeologist. The concentrations show 250 - 500 ppm, 500 - 1,000 ppm, 1,000 - 3,000 ppm, 3,000 - 5,000 ppm, & > 5,000 ppm for the Gage, Lower San Pedro (LSP) and Silverado aquifers. This layer also included 500 foot buffers of each contour in each aquifer.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: WRD
DISCLAIMER: The information included in this document and any associated materials has been compiled from a variety of sources and is subject to change without notice. WRD makes this data available without charge as a public service on the express condition that users who view, download, access or use the data expressly agree to the terms contained here and on the website. No representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information is provided. This data is intended for informational purposes and should not be considered authoritative or accurate for any use.
Description: This layer shows the 2017 Saline Plume based on Chloride concentrations and hand-drawn by Everett Ferguson, PG, Senior Hydrogeologist. The concentrations show 250 - 500 ppm, 500 - 1,000 ppm, 1,000 - 3,000 ppm, 3,000 - 5,000 ppm, & > 5,000 ppm for the Gage, Lower San Pedro (LSP) and Silverado aquifers. This layer also included 500 foot buffers of each contour in each aquifer.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: WRD
DISCLAIMER: The information included in this document and any associated materials has been compiled from a variety of sources and is subject to change without notice. WRD makes this data available without charge as a public service on the express condition that users who view, download, access or use the data expressly agree to the terms contained here and on the website. No representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information is provided. This data is intended for informational purposes and should not be considered authoritative or accurate for any use.
Description: The drainage basins were drawn on U.S.G.S. 7 ½ minute, 1:24,000 scale topo quad sheets by Hydraulic Water Conservation Division. Digitized into ComputerVision CADDS4 by Environmental Programs Division (EPD). Converted to Atlas GIS Atlas Graphic Format (.agf) by EPD. Cleaned up, topology built, downstream connectivity developed in Atlas GIS. Converted to ArcView Shape (.shp) by EPD. The basins were grouped to form the watershed management areas or watershed boundaries.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: Los Angeles County Hydraulic Water Conservation Division & Environmental Programs Division
Description: Central Basin groundwater basins defined by the California Department of Water Resources: The Final 2016 Basin Boundary Modifications were developed through DWR's technical review of basin boundary modification requests and public comment made during the submission period, January 1, 2016 through March 31, 2016. DWR then held a series of public meetings to present the Draft Approved Basin Boundary Modifications, provide an overview of the BBMRS and technical review process, answer clarifying questions and receive further public comments on the Draft Approved Basin Boundary Modification submissions.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: State of California Department of Water Resources
Description: The West Coast Basin groundwater basin defined by the California Department of Water Resources: The Final 2016 Basin Boundary Modifications were developed through DWR's technical review of basin boundary modification requests and public comment made during the submission period, January 1, 2016 through March 31, 2016. DWR then held a series of public meetings to present the Draft Approved Basin Boundary Modifications, provide an overview of the BBMRS and technical review process, answer clarifying questions and receive further public comments on the Draft Approved Basin Boundary Modification submissions.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: State of California Department of Water Resources
Name: LA Coastal Plain GW Basin- Bulletin 118 Boundary
Display Field: Basin_Name
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: Four basins that make up the Los Angeles Coastal Plain: Central Basin, West Coast Basin, Hollywood Basin and Santa Monica Basin: The Final 2016 Basin Boundary Modifications were developed through DWR's technical review of basin boundary modification requests and public comment made during the submission period, January 1, 2016 through March 31, 2016. DWR then held a series of public meetings to present the Draft Approved Basin Boundary Modifications, provide an overview of the BBMRS and technical review process, answer clarifying questions and receive further public comments on the Draft Approved Basin Boundary Modification submissions.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: State of California Department of Water Resources
Description: The LA Area groundwater basins defined by the California Department of Water Resources: The Final 2016 Basin Boundary Modifications were developed through DWR's technical review of basin boundary modification requests and public comment made during the submission period, January 1, 2016 through March 31, 2016. DWR then held a series of public meetings to present the Draft Approved Basin Boundary Modifications, provide an overview of the BBMRS and technical review process, answer clarifying questions and receive further public comments on the Draft Approved Basin Boundary Modification submissions.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: State of California Department of Water Resources
Description: Polygon boundary of the Central Basin based on the legal description presented in the October 18, 1965 Central Basin Judgment.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: GIS boundary files updated by CWE in June 2019 based upon retracing the legal description using recorded map, geological features, and hydrologic boundaries information.
Description: Adjudication boundary for the West Coast Basin, DWR Basin 4-11.03: Polygon boundary of the West Coast Basin is based on the Adjudicated West Coast Basin Boundary legal description presented in the Judgment entered August 22, 1961, in Book 4291, Page 62 in the Superior Court of the State of California in and for the County of Los Angeles.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: Adjudicated boundary of the West Coast Basin received from Matthew Zimmerman, DWR, via e-mail on June 27, 2011. Shapefile received from DWR was in Geographic coordinates.
Description: Groundwater basins and sub-basins as defined by the California Department of Water Resources: The Final 2016 Basin Boundary Modifications were developed through DWR's technical review of basin boundary modification requests and public comment made during the submission period, January 1, 2016 through March 31, 2016. DWR then held a series of public meetings to present the Draft Approved Basin Boundary Modifications, provide an overview of the BBMRS and technical review process, answer clarifying questions and receive further public comments on the Draft Approved Basin Boundary Modification submissions.
Service Item Id: bd0eff9e8f2c4e8e8df241f89a95ec09
Copyright Text: State of California Department of Water Resources