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435 datasets
i15 Parcels SWP
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset is a compilation of ownership rights represented as parcels owned by the State of California, Department of Water Resources. The associat...
i17 LeveeCenterlineClass 2012
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This line feature class represents levee centerlines for 93 Levee Maintenance Agencies/Reclamation Districts in the Sacramento-San Joaquin Delta. The ...
i03 Groundwater Sustainability Agencies
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...
i08 ChicoMonoclineLineaments SacramentoValley
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, "Geologic M...
i15 Parcels CVFPB
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset is a compilation of ownership rights represented as parcels owned by the Sacramento & San Joaquin Drainage District of the State of C...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, August 12, 2026
- File types: CSV
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...
DSM2 Historical Update 2017
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: ZIP
These are files for DSM2 hydro and qual simulation input updated to end of 2017....
Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types:
Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...
i13 EncroachmentPermits DWR
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset represents the relative position and extent of encroachment permits created by the Geomatics Branch to support real property management w...
National Hydrography Dataset (NHD) Archive
- Published by: California Department of Water Resources
- Last updated: Tuesday, August 11, 2026
- File types: ZIP, TXT, FILE GEODATABASE
This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Water...