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194 datasets

i08 Stations Discrete Grab Water Quality POR

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Departme...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 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...

2021-2022 West False River Emergency Drought Barrier water quality, flow, and fish monitoring

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

To manage the critically low 2021 water supply for beneficial uses, DWR installed the temporary emergency drought barrier (EDB) on West False River in...

Los Angeles River Restoration and Access (LLARRA) Water Quality Analysis - Lower Los Angeles River - 2024-2025

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, April 7, 2026
File types: XLS, ZIP

WCB Grant 2023114: Lower Los Angeles River Restoration and Access: Data includes one (1) year of water quality analysis to inform the design and serve...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

Water quality, fish, phytoplankton, clams and zooplankton monitoring to support the Summer-Fall Suisun Marsh Salinity Control Gates Action

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpa...

Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...

Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems

Published by: California State Water Resources Control Board
Last updated: Monday, April 6, 2026
File types: PDF, EXCEL (XLSX), CSV

The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...