Review of the 2007 Interim Guidelines (7.D. Review)

-NEW- SECURE Water Act Report to Congress

Lower Colorado River Operations

Current Conditions

Hourly Conditions
Present Day
Past 4 Days

Daily Reservoir Conditions
Current Month
Past Months

Other Operations Data
Data Explorer
Reservoir Teacup Diagram
Upper Basin Information

USGS Water Data
USGS Water Alert

Climate & Weather Data
Colorado Basin River Forecast Center
NRCS Snow-Precipitation Data, Upper Basin
NRCS Snow-Precipitation Data, Arizona

Projected Operations

Real-Time Operations Outlook (updated hourly)
River Operations Schedule

Hourly Schedules (updated daily)
Davis Dam & Parker Dam
Headgate Rock Dam

10-Day Lake Mead Outlook (updated daily)
Daily Elevation Projections

Operations Outlook (updated weekly)
River Operations Schedule
Lake Mead/Hoover Dam
Lake Mohave/Davis Dam
Lake Havasu/Parker Dam

2-Year Projected Operations
24-Month Study Current (updated monthly)
24-Month Study Archives (2010 to present)

Lake Powell and Lake Mead 5-Year Projected Conditions
Current Projections (updated April 2021)

Historical Data

Final Data Reports
Stream Flow Records

Historical Reservoir Levels (updated monthly)
Lake Mead
Lake Mohave
Lake Havasu

Lake Mead High/Low Elevation Graphs
Line graph with text data
Bar graph with text data

Historical Flow Below Hoover Dam (graphs)
Line graph

Please contact the Water Operations Control Center via e-mail at or via phone at (702) 293-8373 for additional questions or information.

Last Updated: 05-May-2021