Water Quality, Toxicity, and Tissue Data
Once data have been entered into the SWAMP database and have undergone the SWAMP procedures for verification and transfer to the permanent side of the database, they are displayed on the California Environmental Data Exchange Network (CEDEN) website. For specific questions regarding the data, please contact the appropriate State or Regional Board Representative.

Water Quality and Toxicity Data
To retrieve Water Quality and Toxicity data from the SWAMP program, visit the CEDEN website.

Tissue Data
Statewide SWAMP tissue data was previously available on this website as a Microsoft Excel download and is now available on the CEDEN website.

Bioassessment Data
Bioassessment data is not currently available online but will be available on CEDEN in the future.  To obtain bioassessment data, contact the appropriate State or Regional Board Representative.