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784 datasets

Water Budget Handbook

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: PDF, XLSX

The California Department of Water Resources (DWR) has released a draft "Handbook for Water Budget Development: With or Without Models" (Water Budget ...

Water Quality Data

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: CSV

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...

High Water Line

Published by: California State Lands Commission
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The California State Lands Commission (CSLC) was created by the California Legislature in 1938 and given the authority and responsibility to manage ce...

Low Water Line

Published by: California State Lands Commission
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The California State Lands Commission (CSLC) was created by the California Legislature in 1938 and given the authority and responsibility to manage ce...

Water Budget Calculators

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: XLS

Water Budget Calculator tools to discern the maximum applied water allowance....

Low Water Line

Published by: California State Lands Commission
Last updated: Monday, November 6, 2023
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

This data was created to depict portions of state-owned Sovereign Lands that are under the jurisdiction of the California State Lands Commission. Data...

Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: XLSX

September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...

Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 7, 2026
File types: PDF, EXCEL (XLSX), CSV

The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 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...

California Water Rights Inspections

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

This list includes detail information for each inspection record as stored in the State Water Resources Control Board's "Electronic Water Rights Infor...