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This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemistry analyses. The data set contains two...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the California State Water Board's data system for surface...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
__Attention__: Please note that the Safe to Swim map and its associated resources on California Open Data Portal will not be updated between June 3 to June 25, 2026. We apologize for any...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: June 26, 2026 at 08:24 PM -
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [California Environmental Data Exchange...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). This set of station/project combinations can be...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). The data are...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). The data set contains two provisionally...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 26, 2026 at 08:25 PM -
This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN), but has not been...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 27, 2026 at 07:48 PM
