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938 datasets

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, May 28, 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...

SWAMP Data Dashboard

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, June 1, 2026
  • File types: PDF, CSV

Attention: Please note that the SWAMP Data Dashboard resources on the California Open Data Portal will not be updated from June 3 through June 25, 202...

Surface Water - Aquatic Organism Tissue Sample Results

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, May 28, 2026
  • File types: PDF, ZIP, CSV

This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...

Surface Water - Toxicity Results

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, May 28, 2026
  • File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...

Surface Water - Chemistry Results - CEDEN Augmentation

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, April 15, 2026
  • File types: CSV, PDF

This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.water...

Surface Water - Fecal Indicator Bacteria Monitoring Results

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, June 3, 2026
  • File types: CSV, PDF

Attention: Please note that the Safe to Swim map and its associated resources on California Open Data Portal will not be updated between June 3 to Jun...

Active Transportation Count Dataset

  • Published by: Caltrans
  • Last updated: Wednesday, February 18, 2026
  • File types: PDF, XLSX, CSV

The Pedestrian and Bicycle Count Dataset documents non motorized traffic on state highways, originating from Caltrans district pilots initiated in 202...

Drinking Water - Public Water System Annually Reported Water Production and Delivery Information 2013-2022

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, November 27, 2024
  • File types: PDF, ZIP, CSV, XLSX

Amount of water produced by month and by source and the water delivered by type of use and by month for every Public Water System (PWS) reporting. Pub...