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75 datasets

Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Monday, September 28, 2026
File types: CSV

This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...

Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data

Published by: California State Water Resources Control Board
Last updated: Thursday, September 3, 2026
File types: PDF, ZIP, CSV

Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...

Sacramento-San Joaquin Bay-Delta Continuous (15 minute) Water Quality Monitoring: Rock Slough, collected by the North Central Region Office, Department of Water Resources, 2001 – 2025

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Department of Water Resources (DWR) Water Quality Evaluation Section (WQES) provides technical expertise and program support for regulatory compli...

Sacramento-San Joaquin Bay-Delta Continuous (15 minute) Water Quality Monitoring: Yolo Bypass, collected by the North Central Region Office, Department of Water Resources, 2013 – 2025

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Department of Water Resources (DWR) Water Quality Evaluation Section (WQES) provides technical expertise and program support for regulatory compli...

Sacramento-San Joaquin Bay-Delta Continuous (15 minute) Water Quality Monitoring: Central Delta Region, collected by the North Central Region Office, Department of Water Resources, 2005 – ongoing.

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Department of Water Resources (DWR) Water Quality Evaluation Section (WQES) provides technical expertise and program support for regulatory compli...

Surface and bottom hourly water temperature from the San Francisco Estuary, 2012-2019

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

Projected temperature increases due to global climate change are likely to have localized impacts on the San Francisco Estuary (SFE). Increased water ...

Sacramento-San Joaquin Bay-Delta Continuous (15 Minute) water quality monitoring data collected by the Continuous Environmental Monitoring Program, DWR, 2005- 2025.

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Continuous Environmental Monitoring Program (CEMP) plays an instrumental role in overseeing real-time water quality in the Sacramento-San Joaquin ...

Sacramento-San Joaquin Bay-Delta Continuous (15 minute) Water Quality Monitoring: South Delta Region, collected by the North Central Region Office, DWR, 1999 – ongoing

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Department of Water Resources (DWR) Water Quality Evaluation Section (WQES) provides technical expertise and program support for regulatory compli...

SSWP Pyramid Reach BMIs

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: ZIP

The SSWP Pyramid Reach BMIs Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California Departm...

Interagency Ecological Program: Phytoplankton monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2008-2024

Published by: California Department of Water Resources
Last updated: Friday, October 2, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The State Water Resources Control Board (SWRCB) sets water quality objectives to protect beneficial uses of water in the Sacramento-San Joaquin Delta ...