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

72 datasets

Los Angeles River Restoration and Access (LLARRA) Water Quality Analysis - Lower Los Angeles River - 2024-2025

  • Published by: California Department of Fish and Wildlife
  • Last updated: Monday, April 6, 2026
  • File types: XLS, ZIP

WCB Grant 2023114: Lower Los Angeles River Restoration and Access: Data includes one (1) year of water quality analysis to inform the design and serve...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 6, 2026
  • File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, November 10, 2025
  • File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems

  • Published by: California State Water Resources Control Board
  • Last updated: Sunday, April 5, 2026
  • File types: PDF, EXCEL (XLSX), CSV

The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...

Rates of Selected Hospital Procedures Examined for Over or Under-Use by County

  • Published by: Department of Health Care Access and Information
  • Last updated: Monday, April 6, 2026
  • File types: CSV, PDF, ZIP

(See Note below regarding 2015 data). The dataset contains hospitalization counts and rates, statewide and by county, for 4 medical procedures for whi...

Housing Cost Burden

  • Published by: California Department of Public Health
  • Last updated: Sunday, April 5, 2026
  • File types: PDF, XLSX, ZIP

This table contains data on the percent of households paying more than 30% (or 50%) of monthly household income towards housing costs for California, ...

Hospitalization Counts and Rates of Selected Adverse Hospital Events by California County

  • Published by: Department of Health Care Access and Information
  • Last updated: Monday, April 6, 2026
  • File types: CSV, PDF, ZIP

(See Note below regarding 2015 data). The dataset contains hospitalization counts and rates (age 18+), statewide and by county, for 7 potentially-pre...

SWAMP Data Dashboard

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

This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, March 4, 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...

Food Affordability

  • Published by: California Department of Public Health
  • Last updated: Sunday, April 5, 2026
  • File types: PDF, XLSX, ZIP

This table contains data on the average cost of a market basket of nutritious food items relative to income for female-headed households with children...