Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
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494 datasets
Periodic Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV, ZIP, TXT
The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resour...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 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...
Surface Water - Chemistry Results - CEDEN Augmentation
- Published by: California State Water Resources Control Board
- Last updated: Monday, January 26, 2026
- File types: CSV, PDF
This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.org/)...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Monday, January 26, 2026
- File types: PDF, CSV
This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...
WDL Ground Surface Displacement - Land Subsidence Monitoring
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...
Continuous Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's...
Central Valley Water Board E. coli Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, January 22, 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...