ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Search results

Search results

173 datasets

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, April 14, 2026
  • File types: PDF, CSV, ZIP

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

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...