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147 datasets

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...

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

Published by: Department of Health Care Access and Information
Last updated: Friday, April 10, 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....

Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: ASCII, GEOTIFF

🔔 **Data now available in Cloud-Optimized GeoTIFF format for faster access!** ### Summary This dataset contains daily grass-reference evapotransp...

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: Friday, April 10, 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...

QFER CEC-1304 Power Plant Owner Reporting Database

Published by: California Energy Commission
Last updated: Thursday, April 9, 2026
File types: HTML, XLS

Following an Order Instituting Rulemaking initiated in October 2005, amendments adopted by the Energy Commission and approved by California's Office o...

California Water Rights Irrigation Use Annual Reports

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOC, PDF

This list includes detail information for IRRIGATION WATER USE as reported annually under each water right as stored in the State Water Resources Con...

2025 UWMP Reporting

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: PDF

This DWR Open Data Publication includes the necessary reporting materials to complete the 2025 Urban Water Management Plan (UWMP). Urban Water Managem...

California Streams

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Notes: As of June 2020 this dataset has been static for several years. Recent versions of NHD High Res may be more detailed than this dataset for some...

DWR's Basin Characterization Tools - BCTools

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: PNG, ZIP, PDF, .ZIP

[DWR’s California's Groundwater Basin Characterization Program](https://water.ca.gov/Programs/Groundwater-Management/Bulletin-118/Basin-Characterizati...

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

Published by: Department of Health Care Access and Information
Last updated: Thursday, April 9, 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...