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407 datasets
Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: PDF
This dataset includes the basin reports for the 515 groundwater basins developed as part of Bulletin 118 Update 2003. The reports include descriptions...
California's Groundwater Semi-Annual Conditions Updates
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: PDF
Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: PDF
Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...
Annual Precipitation Data for Northern California 1944-Current
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: CSV, PDF
The California Department of Water Resources (DWR), Northern Region Office (NRO), maintains 33 precipitation stations that were installed starting in ...
Water quality, fish, phytoplankton, clams and zooplankton monitoring to support the Summer-Fall Suisun Marsh Salinity Control Gates Action
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types:
The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpa...
Sacramento River Geomorphic Atlas, Red Bluff to Colusa, California (1896–2012)
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: PDF
The Sacramento River Geomorphic Atlas (1896–2012) (SRGA) documents the geomorphology of the middle reach of the Sacramento River from Red Bluff to Col...
Interagency Ecological Program: Discrete dissolved oxygen monitoring in the Stockton Deep Water Ship Channel, collected by the Environmental Monitoring Program, 1997-2018
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types:
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...
Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types:
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...
Paleo-Dendrochronological "Tree-Ring" Hydroclimatic Reconstructions for Northern and Southern California River Basins
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types: PDF, CSV, ZIP
### Background Tree-ring chronologies allow assessment of hydrologic variability over centuries to millennia, gives historic context for assessing re...
Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.
- Published by: California Department of Water Resources
- Last updated: Thursday, October 16, 2025
- File types:
Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...