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115 datasets

2019 California Water Quality Status Report

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, October 23, 2019
  • File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

Surface Water - Flow Targets for Southern California Streams

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, October 23, 2019
  • File types: CSV, PDF, ARCGIS

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

CalEnviroScreen 2.0

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Wednesday, October 23, 2019
  • File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...

CalEnviroScreen 3.0 Results

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Wednesday, October 23, 2019
  • File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

Statewide Crop Mapping

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, April 8, 2026
  • File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS

The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...