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303 datasets

IWFM (Integrated Water Flow Model) - Version 2015.0.1045

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.1045 (released August 25, 2020), updated to Version 2015.1.1045 on April 2, 2021 to incorporate a ...

IWFM (Integrated Water Flow Model) - Version 2015.0.1113

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.1113 (released January 13, 2021), updated to Version 2015.1.1113 on February 12, 2021 to incorpora...

Water Shrew Predicted Habitat - CWHR M010 [ds2469]

  • Published by: California Department of Fish and Wildlife
  • Last updated: Tuesday, April 7, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

The datasets used in the creation of the predicted Habitat Suitability models includes the CWHR range maps of Californias regularly-occurring vertebra...

Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, March 17, 2026
  • File types: PDF, CSV, ZIP

One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s ...

Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, April 2, 2026
  • File types: PDF, ZIP, CSV

Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...

Toxicity Criteria Database

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Tuesday, December 30, 2025
  • File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries

  • Published by: California Ocean Protection Council
  • Last updated: Friday, April 3, 2026
  • File types: XLSX, PDF

The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjace...

Collection of Groundwater Applications and Tools

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types:

This dataset includes links and descriptions to a collection of groundwater applications and tools that have been developed by the Department of Water...

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...

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...