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704 datasets

i17 Delta Levees Centerlines 2007

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In the Delta Anatomy Mapping Project, all levee anatomies were delineated using slope grids built from available 2007 Delta LIDAR data points. LIDAR d...

Natural Communities Commonly Associated with Groundwater

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: GDB, SHP, PDF

The Natural Communities dataset is a compilation of 48 publicly available State and federal agency datasets that map vegetation, wetlands, springs, an...

DSM2 Input 2025-07-03 historical update

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: ZIP

DSM2 Version "DSM2 Input 2025-07-03 historical update" is based on "DSM2 Input 2025-05-28", and includes the following improvements: * Corrections ...

Fish Consumption Advisory Serving Recommendations

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, May 27, 2026
File types: PDF, CSV

Summary of fish advisories that recommend how often you can safely eat fish caught from water bodies in California based on the level of chemical cont...

i03 SystemwidePA 20101007

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class represents the Systemwide Planning Area. It is one of the three Central Valley Flood Protection Plan (CVFPP) Planning Areas. It is ...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

IWFM Demand Calculator (IDC) - Version 2015.0.68

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: PDF, ZIP

IDC (IWFM Demand Calculator) - Version 2015.0.68 (released April 23, 2018)...

IWFM Demand Calculator (IDC) - Version 2015.0.77

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: PDF, ZIP

IDC (IWFM Demand Calculator) - Version 2015.0.77 (released March 20, 2019)...

Refuge Delivery Points - Central Valley Project Improvement Act [ds2638]

Published by: California Department of Fish and Wildlife
Last updated: Monday, July 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data was compiled to provide a singular visual representation of delivery points used to complete water deliveries to CVPIA wetland habitat area. The ...

i16 Census Tract DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Monday, July 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tracts feature class. Th...