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3899 datasets

DSM2 v8.2.1

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: ZIP, HTML

The current release DSM2 V8.2.1 differs from the previous release DSM2 V8.2.0 as follows: ==========================================================...

Estimates of Natural and Unimpaired Flows for the Central Valley of California: WY 1922-2014

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: PDF

This report summarizes estimates of “natural” and “unimpaired” flows for all areas in the Central Valley tributary to the Sacramento – San Joaquin Del...

Well Stimulation Permit

Published by: California Department of Conservation
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, ...

Acid Matrix

Published by: California Department of Conservation
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, ...

WellSTAR: Notices

Published by: California Department of Conservation
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, ...

Acid Fracturing

Published by: California Department of Conservation
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, ...

County SB 552 Status Dashboard Data and Drought Resilience Plans

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: CSV

This dataset supports the County SB 552 Progress Dashboard, which is published on DWR’s [County Drought Resilience Planning webpage](https://water.ca....

Interagency Ecological Program: Discrete water quality and phytoplankton data from the Sacramento River floodplain and Yolo Bypass tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998 - 2022

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: DATA

The Yolo Bypass Fish Monitoring Program (YBFMP) operates a rotary screw trap and fyke trap and conducts biweekly beach seine and lower trophic surveys...

Cal-SIMETAW Unit Values

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: CSV, ZIP, PDF

_Cal-SIMETAW Unit Values_ dataset contains cumulative monthly unit values (per acre) of crop evapotranspiration (ETc), applied water (AW), and six oth...

Urban Water Management Plans (UWMP) 2015

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: PDF, CSV

Urban Water Management Plans (UWMPs) are prepared by California's urban water suppliers to support their long-term resource planning, and ensure adequ...