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107 datasets

i08 GroundwaterStations EnterpriseWaterManagement

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (he...

2019 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, March 24, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). CEDEN is the California State Water...

Surface Water - Fecal Indicator Bacteria Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 3, 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...

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...

i07 Water Shortage Social Vulnerability BlockGroups

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage social vulnerability analysis performed by DWR using Census 2021 block groups as the unit of analysis. This f...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Friday, April 3, 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...

Integrated Water Flow Model (IWFM)

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: PDF, ZIP

Publicly available versions of the Integrated Water Flow Model (IWFM)...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: CSV

This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...

Data for Calculating Efficient Outdoor Water Uses

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: CSV, XLS, XLSX

October 31, 2025 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...