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3256 datasets

i03 SPFCPlanningArea 20100301

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

State Plan of Flood Control (SPFC) Planning Area is the lands currently receiving protection from the SPFC (CWC§ 9651(g)). State's flood management re...

i03 RegionalFloodManagementPlanBoundaries

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Following adoption of the 2012 Central Valley Flood Protection Plan (2012 CVFPP), DWR funded six regionally-led Regional Flood Management Plans (RFMPs...

i03 Proposition1 Funding Areas

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data depicts California Proposition 1 Funding Area boundaries as defined by Water Code §79744, which states, "(a) Of the funds authorized by...

i17 Delta Levees Stationing

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Levee stations, usually in feet but in some cases miles, snapped to 2017 Delta levee centerlines (derived from the 2017 Delta LiDAR). Base source for ...

i03 Local Maintenance Areas Flood Protection

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Boundaries of various types of public agencies with responsibilities that include in part or primarily flood control, system maintenance, and improvem...

i03 LegalDeltaBoundary

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Department of Water Resources (DWR), Geodetic Branch, Cadastral Surveys reviewed this boundary in July, 2009, and agreed with the linework along with ...

i17 Levee Centerlines SuisunMarsh

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate...

i17 LeveeCenterlineClass 2012

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 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 ...

i17 StateWaterProject Centerline

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The purpose of this feature class is to delineate an approximate centerline for the State Water Project canals.This dataset is current as of 5/20/2025...

i17 StateWaterProject ConstructionDivisions

  • Published by: California Department of Water Resources
  • Last updated: Friday, February 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project construction divisions. The locations of the construction divisions were deri...