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River Operations Lower Colorado River Operations
Data and information about our management of this vital resource.
(NOTE: Press "CTRL" on your keyboard and click "Refresh" in Internet Explorer
or "Reload" in Netscape to update data tables.)

Current Conditions

Hourly Elevations and Releases

  • Present Day
  • Past 4 Days
  • Headgate Rock Dam - Energy
  • Map of Gage Locations - 28 KB

    Daily Reservoir Levels/Elevations

  • Mead, Mohave, Havasu - Present Month
  •      Archives
  • Powell
  • Other Upper Basin Reservoirs

    Projected Operations

  • Weekly River Operations Schedule
  • Weekly Water Supply

    Daily Elevations/Releases (graphs - updated weekly)

  • Lake Mead/Hoover
  • Lake Mohave/Davis
  • Lake Havasu/Parker

    Two-Year Projected Reservoir Operations - Updated Monthly

  • 24-Month Study for Lakes Powell, Mead, Mohave & Havasu, & Upper Basin Reservoirs

    Historical Data

    Historical Reservoir Levels - Updated Monthly

  • Mead
  • Mohave
  • Havasu

    Lake Mead High/Low Elevation Graphs

  • Line graph with text data
  • Bar graph with text data
  • Bar graph only

    Historical Flow Below Hoover Dam (graph)

  • Excel
  • PDF

    Annual Colorado River Water Use Since 1906

  •     History of Early Diversions

    • Actual/Forecasted Water Uses

  • Forecasted Water Use - 2004
  • Actual Water Use - 2004
  • Forecasted Water Use - 2003
  • Jan-Dec Water Use - 2003
  • Water Use - 2002 text  pdf
  • Water Use - 2001 text  pdf
  • Water Use - 2000 text  pdf

    • Annual Operating Plans (AOPs)

    Draft 2005 Annual Operating Plan

    2004 Annual Operating Plan

  •       Letter to Governors

    2003 Annual Operating Plan
  •       Letter to Governors

    2002 Annual Operating Plan
  •     Letter to Governors


    • Reports

    Final EIS for Colorado River Interim Surplus Criteria
  •     Record of Decision
  •     Errata for Final EIS
  •     Technical Info on Pacific Institute Proposal
  •     Draft EIS

    • Final EIS for Implementation Agreement, Inadvertent Overrun and Payback Policy, and Related Federal Actions

  •     Scoping Summary Report

    • Final EIS for IID Water Conservation and Transfer Project

    6th Review of the 1970 Criteria for Coordinated Long-Range Operation of Colorado River Reservoirs

    Colorado River System Use and Loss Reports: 1970-1990

    Lower Colorado River Accounting System (LCRAS) Reports

     

    Pagemaster: Janie Jo Smith
    Updated: Oct 2004

    Search for

     
    "Hot Links"
    Colorado River Water Delivery Agreement
     Documents and attachments related to the Water Delivery Agreement
    Law of the River
    Legislation governing Colorado River operations and management.
    River Miles Chart
    River mile distances for points along the Lower Colorado River from the southerly international boundary with Mexico.
    Army Corps of Engineers Guidelines
    Info on permits needed for any construction work along the lower Colorado River.
    USGS Water Data
    Real-time data from other gages on the Colorado River and its tributaries.
    Colorado Basin River Forecast Center
    National Weather Service info on water supply and snowpack for both the Upper and Lower Colorado River Basins.
    Bill Williams River Basin Real-Time Data
    Corps of Engineers info on flows and water supply along the Bill Williams River and at Alamo Dam.
    Gila River Basin Real-Time Data
    Corps of Engineers info on flows and water supply along the Gila River and at Painted Rock Dam.

    Recent Weather Data Graphics, radar and satellite image links provided by the Corps of Engineers.

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