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641 datasets

Central Valley Water Board E. coli Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Thursday, May 14, 2026
File types: CSV

Draft - E. coli monitoring results from the Central Valley Regional Water Quality Control Board. _E. coli_ is a type of bacteria used to indicate feca...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Monday, May 18, 2026
File types: XLSX, XLS

For most recent data version of Water Shortage Vulnerability scoring, please see https://data.cnra.ca.gov/dataset/water-shortage-vulnerability-dataset...

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...

i08 Stations Discrete Grab Water Quality POR

Published by: California Department of Water Resources
Last updated: Monday, May 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Departme...

Abalone and Urchin Recruitment Modules - Van Damme State Park, Mendocino County - 2001-2025

Published by: California Department of Fish and Wildlife
Last updated: Monday, May 18, 2026
File types: XLSX, ZIP

An important facet of the Kelp Forest Monitoring project is sampling recruitment of juvenile abalone and sea urchins. Specially designed recruitment m...

California Water Rights Measurement Devices (Reported in Annual Report)

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

This list includes detail information about the measurement devices and measurement methods associated with the diversion and storage of water as repo...

Volumetric Annual Report of Wastewater and Recycled Water

Published by: California State Water Resources Control Board
Last updated: Thursday, September 11, 2025
File types: PDF, CSV

The Water Quality Control Policy for Recycled Water (Recycled Water Policy) requires wastewater and recycled water dischargers (including dischargers ...

Gridded Weather Generator Perturbations of Historical Detrended and Stochastically Generated Temperature and Precipitation for the State of CA and HUC8s

Published by: California Department of Water Resources
Last updated: Monday, May 18, 2026
File types: TXT, JPEG, XLSX, CSV, NETCDF

The Weather Generator Gridded Data consists of two products: [1] statistically perturbed gridded 100-year historic daily weather data including pre...

Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries

Published by: California Ocean Protection Council
Last updated: Friday, May 15, 2026
File types: XLSX, PDF

The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjace...

Water Shrew Predicted Habitat - CWHR M010 [ds2469]

Published by: California Department of Fish and Wildlife
Last updated: Monday, May 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, ZIP

CWHR Predicted Habitat Models represent areas of predicted suitable habitat for each species within its range. These models are built from the followi...