Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
CIMIS Weather Station Data
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
Surface Water - Fecal Indicator Bacteria Monitoring Results
Search Water datasets
519 datasets
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Friday, August 28, 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...
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Friday, August 28, 2026
- 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...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Friday, August 28, 2026
- File types: CSV, XLSX
This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...
California's Groundwater Live Supporting Data
- Published by: California Department of Water Resources
- Last updated: Friday, August 28, 2026
- File types: HTML, JPEG, PDF, DOCX, ZIP
This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...
Central Valley Water Board E. coli Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, August 27, 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...
Surface Water - Fecal Indicator Bacteria Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, August 27, 2026
- File types: CSV, PDF
This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...
2025 San Francisco Bay Delta LiDAR
- Published by: California Department of Water Resources
- Last updated: Friday, August 28, 2026
- File types:
This page is intended to house all of the public-facing resources for the 2025 San Francisco Bay Delta LiDAR. This LiDAR was collected by NV5 & Gu...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Friday, August 28, 2026
- 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, August 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: Friday, August 28, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...