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188 datasets

i03 IRWM Regions

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Region Acceptance Process (RAP) is a component of the Integrated Regional Water Management (IRWM) Program Guidelines and is used to evaluate and a...

Region Land Use Surveys

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: ZIP, SHP

This is collection of DWR Region Land Use Surveys. These include several county land use surveys, In addition, you may scroll the list below to down...

i06 Contours 1ft Delta 2007

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

One foot contours developed from Delta LIDAR. LIDAR was developed under a contract between California DWR and URS Corporation (DRMS contract), with Fu...

i04 CIMIS Weather Stations

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Irrigation Management Information System (CIMIS) currently manages over 145 active weather stations throughout the state. Archived data...

i08 B118 CA GroundwaterBasins 2016

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The dataset is a feature class showing the boundaries of 517 groundwater basins and subbasins as defined by the California Department of Water Resourc...

i15 SWP Monuments

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of survey monuments as points used by the State of California, Department of Water Resources. The associated data is con...

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Delta Primary Zone Boundary The history of the primary zone boundary is as follows: the Primary Zone was defined in the 1992 Delta Flood Protection Ac...

i19 Stormwater Project Points

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The feature dataset contains storm water projects planned in the future throughout California that involve groundwater recharge and direct use. It was...

i17 StateWaterProject Repayment Reaches

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project repayment reaches. The locations of the repayment reaches were derived from D...

i12 Canals and Aqueducts local

Published by: California Department of Water Resources
Last updated: Sunday, October 12, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not con...