Water
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488 datasets
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Saturday, December 13, 2025
- File types: PDF, CSV
Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...
Surface Water - Fecal Indicator Bacteria Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, December 12, 2025
- File types: CSV, PDF
This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Friday, December 12, 2025
- 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...
Central Valley Water Board E. coli Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, December 11, 2025
- 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...
Drinking Water - Public Water System Operations Monthly Water Production and Conservation Information
- Published by: California State Water Resources Control Board
- Last updated: Thursday, December 11, 2025
- File types: PDF, CSV
**NOTE: This dataset is no longer being updated. For current water supply and conservation data, please use this dataset: [Urban Retail Water Supplier...
Suisun Marsh Salinity Control Gates Log
- Published by: California Department of Water Resources
- Last updated: Friday, December 12, 2025
- File types: XLSX, PDF
This log of operations includes: flashboard installation and removal dates, when tidal operations were started and stopped, and notes any technical is...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Friday, December 12, 2025
- File types: CSV
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...
Periodic Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Friday, December 12, 2025
- 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: Friday, December 12, 2025
- 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: Friday, December 12, 2025
- 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...