WELCOME to the Sacramento District's
Water Control Data System

Water Control Data System

The Sacramento District's Water Control Data System (WCDS) collects data necessary for the management of:

Midnight Reservoir Status for Corps and Section 7 projects.
Monthly Reservoir Reports for Corps projects.
California plots Plotting format used for WY 1995-2020 are discontinued and archived. See California plots (new format) for an updated plot format
California plots (new format) and Tabulations of Storage, Inflow, and Outflow for Corps and Section 7 Reservoirs.
Great Basin/Upper Colorado River Basin plots Plotting format used for WY 1995-2020 are discontinued and archived. See Great Basin/Upper Colorado River Basin plots (new format) for an updated plot format
Great Basin/Upper Colorado River Basin plots (new format) and Tabulations of Storage, Inflow, and Outflow for Section 7 Reservoirs.
Hourly Time Series Reports with the latest 48 hourly reservoir and flow values.
Release Change Notifications for Corps and a select number of Section 7 projects.
Average Reservoir Status for Corps and Section 7 projects.
Weather and River Forecasts/Summaries issued by DWR, the NWS, and NWS-RFC.
Special Reports
Archived Reports and Plots

Data at these location are not maintained by the Corps of Engineers. They will open in a new tab or window depending on your browser settings.

Califonia Data Exchange Center (CDEC) The State of California Department of Water Resources
NWS Western Region Headquarters National Weather Service
California Nevada River Forecast Center National Weather Service
Colorado Basin River Forecast Center National Weather Service
USBR Upper Colorado Region United States Bureau of Reclamation
USBR Mid Pacific United States Bureau of Reclamation
USGS Realtime Streamflows - California United States Geological Survey
USGS Realtime Streamflows - Nevada United States Geological Survey