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169 datasets

Surface Water - Fecal Indicator Bacteria Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 17, 2026
File types: CSV, PDF

This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Friday, April 17, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

Urban Water Data - Drought Planning and Management

Published by: California Department of Water Resources
Last updated: Friday, April 17, 2026
File types: CSV, PDF

This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Friday, April 17, 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...

Central Valley Water Board E. coli Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Thursday, April 16, 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...

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 ...

California Water Plan - Groundwater Update 2013

Published by: California Department of Water Resources
Last updated: Friday, April 17, 2026
File types: PDF

California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available ...

Water Rights Demand Analysis Methodology Datasets

Published by: California State Water Resources Control Board
Last updated: Thursday, April 7, 2022
File types: CSV, XLSX

The following datasets are used for the Water Rights Demand Analysis project and are formatted to be used in the calculations. The State Water Resourc...

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...

i03 Water Plan Planning Areas

Published by: California Department of Water Resources
Last updated: Friday, April 17, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...