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To access this map, continue to the Content tab and select the layers you wish to see. The About tab contains descriptions and additional data about the layers used within the map. You can download the data in this map by opening the map in ArcGIS Desktop and exporting the desired layers.
For any further questions, email the Safe Clean Water Program at safecleanwaterla@pw.lacounty.gov.
SCWP
Submitted Infrastructure Program Projects 2021-2022: Infrastructure Program projects submitted in response to the call for projects for Fiscal Year 2021-2022.
Submitted Technical Resources Program Projects 2021-2022: Technical Resources Program projects submitted in response to the call for projects for Fiscal Year 2021-2022.
Funded Technical Resources Program Projects: Technical Resources Program projects accepted for Safe Clean Water Program funding in previous years.
Funded Infrastructure Program Projects: Infrastructure Program projects accepted for Safe Clean Water Program funding in previous years.
Safe Clean Water Program Watershed Area: Watershed areas as defined for Safe Clean Water Program implementation. Watershed area boundaries are based on hydrology and jurisdictional boundaries.
Stormwater
LARWQCB Monitoring Points: Los Angeles Regional Water Quality Control Board monitoring points.
Existing Recycled Water Line: Existing recycled water pipeline from the Sanitation Districts of Los Angeles County.
LACSD Sewers: Existing sewer pipeline from the Sanitation Districts of Los Angeles County.
LACSD Sewer Drainage Basins: Sewer drainage basins from the Sanitation Districts of Los Angeles County.
LA County Treatment Plants: Water and wastewater treatment plants and water reclamation plants throughout LA County.
Stormwater Gravity Main:
Stormwater Open Channels:
Surface Water
Hydrologic Watersheds: Hydrologic Unit Code (HUC) 8 watersheds within Los Angeles County.
303d Impaired Streams: Streams that do not meet established water quality standards and for which there are Total Maximum Daily Loads (TMDLs) set, based on Section 303(d) of the Clean Water Act. A TMDL establishes the maximum amount of a pollutant allowed in a waterbody and serves as the starting point or planning tool for restoring water quality.
303d Impaired Lakes/Bays: Lakes and bays that do not meet established water quality standards and for which there are Total Maximum Daily Loads (TMDLs) set, based on Section 303(d) of the Clean Water Act. A TMDL establishes the maximum amount of a pollutant allowed in a waterbody and serves as the starting point or planning tool for restoring water quality.
LA County Streams (NHD): The National Hydrography Dataset (NHD) from the USGS clipped to LA County.
Hydrogeologic Forebays:
Groundwater
Adjudicated Groundwater Areas: Areas where the underlying groundwater is adjudicated. Adjudicated areas are managed by a Watermaster in accordance with a court's groundwater rights decree.
Groundwater Basins: Groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the Basin Boundary Emergency Regulation adopted on October 21, 2015 and subsequent modifications requested through the Basin Boundary Modification Request Process. High and medium priority groundwater basins, as defined in the 2019 Basin Prioritization process, are required to comply with the Sustainable Groundwater Management Act (SGMA). Note this layer has been clipped to LA County and the surrounding basins.
Groundwater Sustainability Agencies: Groundwater Sustainability Agencies (GSAs) responsible for implementing the Sustainable Groundwater Management Act (SGMA). Note this layer has been clipped to LA County and the surrounding basins.
Spreading Grounds: Spreading grounds for groundwater recharge in Los Angeles County.[KT2]
Community Characteristics
WaterTalk Communities:128 communities in Los Angeles and Ventura counties facing ongoing economic and environmental distress identified through a 2015 study by Council of Watershed Health. Data was obtained from TreePeople.
Disadvantaged Communities Census Block Group Data: 2010 Census block group (BG) data joined with ACS (American Community Survey) Median Household Income (MHI) data. Disadvantaged community block groups are those with MHI less than 80% of the statewide average MHI.
Population Density 2010 (Census Place): Census places within LA County. The population data is for 2010 as 2020 data has not been released. Data was obtained from ESRI.
CalEnviroScreen 4.0 Results: CalEnviroScreen 3.0 Update (2020) overall results, calculated from the scores for two groups of indicators: Pollution Burden and Population Characteristics. More information on how the indicators are calculated is available on the California Office of Environmental Health Hazard Assessment (OEHHA) website: https://oehha.ca.gov/calenviroscreen.
Urban Heat Island Index: Urban Heat Island Index data for California, clipped to Los Angeles County. Information on how the index is calculated is available on the California Environmental Protection Agency (CalEPA) website: https://calepa.ca.gov/climate/urban-heat-island-index-for-california/.
Identified Needs
Lower LA River Revitalization Plan Opportunity Areas: Opportunity Areas as identified, described, and rated in the Lower LA River Revitalization Plan (LLARRP).
LA County Park Need: Park need from the Los Angeles County Department of Parks and Recreation Comprehensive Parks & Recreation Needs Assessment completed in May 2016.
IRWM and EWM
GLAC IRWM Projects: Greater Los Angeles County (GLAC) Integrated Regional Water Management (IRWM) projects.
GLAC IRWM Subregions: Greater LA County (GLAC) Integrated Regional Water Management (IRWM) subregion boundaries.
USCR IRWM Boundary: Upper Santa Clara River (USCR) Integrated Regional Water Management (IRWM) boundary clipped to the LA County boundary.
WCVC IRWM Subregions: (Watersheds Coalition of Ventura County) Integrated Regional Water Management (IRWM) subregion boundaries.
EWMP Priority Project: Projects prioritized in existing Enhanced Watershed Management Plans (EWMPs) and Watershed Management Plans (WMPs).
EWMP and WMP Groups: Los Angeles County Enhanced Watershed Management Plans (EWMPs) and Watershed Management Plans (WMPs) groups.
Political Boundaries
LA County Boundary: The political boundary limits of Los Angeles County.
LA Cities: The political boundary lines of cities within LA County
LA County Supervisorial Districts:
Caltrans Right of Way in LA County: Right of way data provided by Caltrans in July 2020. Some right of way lines are missing from Caltrans spatial data.
Vector Control Districts: Boundaries for the five vector control districts (VCDs) in Los Angeles County.