2,681 datasets found

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...

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...

This data set lists active and historical enforcement actions records that are stored in the California Integrated Water Quality System (CIWQS). Enforcement actions are...

Information regarding site visits of facilities that discharge wastewater, from the California Integrated Water Quality System (CIWQS).

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...

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...

The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resources and cooperating...

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...

DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Water Resources. Readings are...

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,...

The California Department of Public Health (CDPH) and the California State Water Resources Control Board (SWRCB) together are coordinating with several wastewater utilities,...

BDCP ANNs 64 bit

BDCP ANNs 32 bit

__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...

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)....

Pennell’s bird’s-beak (Cordylanthus tenuis ssp. capillaris) is a California-listed rare, and federally-endangered plant that is endemic to Sonoma County California and has a...

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...

The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow measurements collected by...

This data set, (i06_Bathymetry_Index), is a polygon feature class that represents an index of bathymetric data collected by California Department of Water Resources and other...

This dataset represents the 1977 Delta Habitat Types that were distributed in the 1979 Delta Environmental Atlas, produced by USACE. 1977 Delta Habitat Types were made digital...