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414 datasets

Rates of Preventable Hospitalizations for Selected Medical Conditions by County (LGHC Indicator)

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

The dataset contains hospitalization counts and rates, statewide and by county, for 10 ambulatory care sensitive conditions plus 4 composite measures....

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...

Interagency Ecological Program: Discrete dissolved oxygen monitoring in the Stockton Deep Water Ship Channel, collected by the Environmental Monitoring Program, 1997-2018

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

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...

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...

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...

Mortality Following Hip Fracture Repair in California Hospitals

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

This dataset contains risk-adjusted mortality rates, expected mortality rates, observed mortality rates, quality ratings, and the number of deaths and...

Measurable Hospital-Acquired Conditions (Composite Patient Safety and Adverse Events Indicator) Statewide Rate, California (LGHC Indicator)

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

This dataset contains the statewide composite patient safety and Adverse Events indicator (PSI) rate used to determine the “Incidence of measurable ho...

All-Cause Unplanned 30-Day Hospital Readmission Rate, California (LGHC Indicator)

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

This dataset contains the statewide number and (unadjusted) rate for all-cause, unplanned, 30-day inpatient readmissions in California hospitals. Data...

Juvenile Salmonid Collection System (JSCS) Pilot Project Fish and Environmental Data – McCloud River and Shasta Reservoir (2022–2025)

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

The California Department of Water Resources (DWR) conducted the Juvenile Salmonid Collection System (JSCS) Pilot Project from 2022 — 2025 to test new...

South Delta Studies Reference

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

Studies done in the South Delta by various agencies...