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1255 datasets

Surface Water - Benthic Macroinvertebrate Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 2026
File types: PDF, CSV, ZIP

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

Surface Water - Fecal Indicator Bacteria Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Saturday, April 11, 2026
File types: CSV, PDF

This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...

Central Valley Angler Survey Database

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: XLSX, ZIP

The Central Valley Angler Survey, or CVAS, monitors sport fisheries in the Sacramento River system, from the Carquinez Strait to Keswick Dam near Redd...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 2026
File types: CSV, PDF

This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.water...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 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:/...

DWR Community Groundwater Level Monitoring Program

Published by: California Department of Water Resources
Last updated: Sunday, April 12, 2026
File types: PDF

The Community Groundwater Level Monitoring Program is a voluntary, locally driven effort designed to strengthen drought resilience and fill critical g...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Sunday, April 12, 2026
File types: PDF, CSV

In November 2018, the Camp Fire started near the town of Pulga, California north of Lake Oroville. The fire burned much of the Feather River’s North F...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 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...

Airborne electromagnetic (AEM) Pilot Studies

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF, ZIP

Airborne electromagnetic (AEM) geophysical data were collected in California as a part of AEM pilot studies. The purpose of the AEM pilot studies was ...