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572 datasets

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 14, 2026
File types: PDF, ZIP, CSV

This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...