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1183 datasets

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Saturday, May 23, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

Drinking Water - Public Water System Annually Reported Number of Service Connections Metered and Unmetered by Service Connection Type

Published by: California State Water Resources Control Board
Last updated: Thursday, May 8, 2025
File types: PDF, CSV, ZIP

This dataset includes the number of service connections, categorized by type and metering status, as submitted by public water systems via the electro...

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...

Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 13, 2026
File types: PDF, CSV, XLSX

Monthly reports of water use and conservation activities by urban retail water suppliers, which are generally defined as agencies serving over 3,000 s...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 20, 2026
File types: CSV, PDF

This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....

Statewide Crop Mapping

Published by: California Department of Water Resources
Last updated: Sunday, May 24, 2026
File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS

The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...

OCO Web Files

Published by: California Department of Water Resources
Last updated: Sunday, May 24, 2026
File types: TXT

Contains Operations Control Office (OCO) web files....

QFER CEC-1304 Power Plant Owner Reporting Database

Published by: California Energy Commission
Last updated: Sunday, May 24, 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...

Surface Water - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 20, 2026
File types: CSV, XLSX, PDF

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Sunday, May 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...