Water Control Data System

SPK Water Management's mission is flood control in Corps-owned and non-Corps owned (Section 7) reservoirs in CA, CO, and UT.

• Annual Reservoir Status for Corps projects.
• Average Reservoir Status for Corps and Section 7 projects.
• Daily Reservoir Status for Corps and Section 7 projects.
• Hourly Time Series Reports with the latest 48 hourly reservoir and flow values.
• Monthly Reservoir Reports for Corps projects.
• Release Change Notifications for Corps and a select number of Section 7 projects.

• California plots and Tabulations of Storage, Inflow, and Outflow for Corps and Section 7 Reservoirs.
• Great Basin/Upper Colorado River Basin plots and Tabulations of Storage, Inflow, and Outflow for Section 7 Reservoirs.
• Archived Reports and Plots

These are other sources for data that are maintained by the Corps of Engineers. They will open in a new tab or window depending on your browser settings.

• Access to Water (A2W) WM Data Dissemination
• CWMS RADAR Data Access REST API for data access

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
• California Nevada River Forecast Center National Weather Service
• Colorado Basin River Forecast Center National Weather Service
• NOAA Weather and River Forecasts/Summaries
• NWS Western Region Headquarters 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