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Groundwater Sustainability Plan Annual Report Data
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA) and Alternative Agencies... -
Periodic Groundwater Level Measurements
The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resources and cooperating... -
GSP Monitoring Data
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow measurements collected by... -
Pit/Sump
This online map displays facility sites in group or by facility types in separate layers: 1. All facility types in separate layers including tank, tank setting, pit, and... -
Dry Well Reporting System Data
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do counties collect data regularly... -
National Hydrography Data - NHD and 3DHP
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information... -
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This information is displayed online... -
WDL Ground Surface Displacement - Land Subsidence Monitoring
Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bottom of a well casing. Pipe... -
Continuous Groundwater Level Measurements
DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Water Resources. Readings are... -
Stormwater - Regulatory (including Enforcement Actions) Information and Water...
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from the Stormwater Multiple... -
DWR Continuous Data Download Links
Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's Water Data Library,... -
COVID-19 Wastewater Surveillance Data. California
The California Department of Public Health (CDPH) and the California State Water Resources Control Board (SWRCB) together are coordinating with several wastewater utilities,... -
State Water Project Facilitated Non-Project Water Transfers
A water transfer is a voluntary sale of water proposed and initiated by a willing seller who has legal rights to a supply of water to interested buyers within California. It... -
Surface Water - Habitat Results
This data provides results from field analyses, from the California Environmental Data Exchange Network (CEDEN). The data set contains two provisionally assigned values... -
i03 Groundwater Sustainability Agencies MapService
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term. SGMA requires... -
Surface Water - Aquatic Organism Tissue Sample Results
This data set provides results of tissue from organisms found in surface waters, from the California Environmental Data Exchange Network (CEDEN). The data are of tissue from... -
Surface Water - Chemistry Results
This data provides results from chemistry and field analyses, from the California Environmental Data Exchange Network (CEDEN). The data set contains two provisionally assigned... -
Surface Water - Benthic Macroinvertebrate Results
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the California Environmental Data... -
Surface Water - Toxicity Results
Surface water toxicity data from the California Environmental Data Exchange Network (CEDEN). CEDEN is the California State Water Board's data system for surface water quality in... -
Tank
This online map displays facility sites in group or by facility types in separate layers: 1. All facility types in separate layers including tank, tank setting, pit, and... -
Facility Boundary (non-wellstar)
This online map displays facility sites in group or by facility types in separate layers: 1. All facility types in separate layers including tank, tank setting, pit, and... -
Surface Water - Freshwater Harmful Algal Blooms
Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Water Resources Control... -
Surface Water - Sampling Location Information
Information about sampling locations for data from the California Environmental Data Exchange Network (CEDEN). This set of station/project combinations can be combined with... -
Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data
Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regional Water Board. Some... -
Surface Water - Water Quality Regulated Facility Information
Information regarding site visits of facilities that discharge wastewater, from the California Integrated Water Quality System (CIWQS). -
Surface Water - Water Quality Regulatory Information
This data set lists active and historical enforcement actions records that are stored in the California Integrated Water Quality System (CIWQS). Enforcement actions are... -
Water Quality Data
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, chemical and physical... -
CNDDB-tracked Elements by Quad [ds2853]
This dataset provides basic California Natural Diversity Database (CNDDB) information at the USGS 7.5 minute topographic quad level. -
Well Completion Reports
This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Completion Reports (OSWCR).... -
CNDDB-tracked Elements by County [ds2852]
This dataset provides basic California Natural Diversity Database (CNDDB) information at the California county level.