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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... -
Urban Water Use Objectives – Relevant Data
The Making Conservation a California Way of Life regulation requires suppliers to annually calculate their objective, which is the sum of efficiency budgets for a subset of... -
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... -
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... -
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 - 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... -
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... -
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,... -
Surface Water - Indicator Bacteria Results
__Attention__: Data refreshes for the Safe to Swim map and the California Open Data Portal will be paused from April 29 to May 14, 2024. Daily data refreshes will resume on May... -
Central Valley Water Board E. coli Monitoring Results
Draft E. coli monitoring results from the Central Valley Regional Water Quality Control Board. E. coli is a type of bacteria used to indicate fecal pollution and the possible... -
SWAMP Data Dashboard
The Surface Water Ambient Monitoring Program (SWAMP) mission is to provide resource managers, decision makers, and the public with timely, high-quality information to evaluate... -
Ground Water - Water Quality Results
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[GAMA... -
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... -
Ground Water - Water Quality Regulatory Information
GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with emphasis on groundwater.... -
Surface Water Chemistry Results – CEDEN Augmentation
These field and lab chemistry data are consistent with other CEDEN data found on this site and through the CEDEN query tool but they have not yet been loaded to CEDEN. They... -
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... -
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 - 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...