Hourly Conditions
Current Plus Past 6 Days

Daily Reservoir Conditions
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Other Operations Data
Data Explorer
Reservoir Teacup Diagram
Upper Basin Information

USGS Data
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USGS Water Alert

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

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

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

Lake Powell and Lake Mead 5-Year Projected Conditions
Current Projections (updated August 2025)

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

Colorado River System Projections (CRMMS)

Colorado River Basin Drought Contingency Plan Agreements

Colorado River Basin Research-to-Operations (CRB R2O) Program

Pilot System Conservation Program

Colorado River Basin Water Supply & Demand Study

Colorado River Interim Guidelines for Lower Basin Shortages & Coordinated Operations for Lake Powell & Lake Mead

Colorado River Basin Natural Flow & Salt Data

SECURE Water Act Report to Congress

Warren H. Brock Reservoir Conservation Summary Report

Water Supply
Weekly Hydrology Report

Water Accounting
Water Accounting Reports & Activities
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Actual Water Use

Water Contracting
Water Entitlements & Contracts Information

AOP for the Current Year
-NEW- 2026 AOP

AOPs for Previous Years
Archives (1970 to present)

Supporting Documents
Colorado River Documents 2008
Law of the River
Archived Documents

Lower Basin Technical Studies
Lake Mohave and Lake Havasu Area-Capacity Survey Sensitivity Study (2026)
Lake Mead Reservoir Capacity Allocation (2022)
Lake Mead and Lake Mohave Evaporation Sensitivity Study (2022)
USGS Evaporation Study (2021)
Area & Capacity Tables (2011)
LIDAR Survey (2009)
Sedimentation Report (2001)
Water Quality Monitoring

Recreational Information
Lake Mead National Recreation Area
Lake Mead Regional Weather Forecast
Boating Trail Guides: Davis Dam to Parker Dam - Blythe to Imperial Dam
Colorado River Tri-State Boating Safety Guide
Lake Mead & Lake Mohave Weather Buoys

Additional Links
River Miles Chart
Army Corps of Engineers Construction Guidelines
Bill Williams River Basin Real-Time Data
Gila River Basin Real-Time Data