Colorado River: upcoming dates

Recent

• Climate09/23/2026@ClimateDesk

  Amazon Commits $20M to Colorado River Water Conservation

  Hoover Dam, Mohave County, Arizona, United StatesAmazon

  

  Starts 09/21/2026CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins81% CONFIDENCEOverall confidence: 81%How well the pin's source and references back up its dates.Weighted average of how firmly 6 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better14 days agoAmazon's announcement, published September 21, 2026, says "Amazon is launching the Colorado River Basin Collaborative (CRBC) and plans to invest $20 million".^[1]

  Amazon pledges $20 million and launches the Colorado River Basin Collaborative, a corporate coalition with Aldi, The Coca-Cola Foundation, Ecolab and others that aims to raise $100 million for water projects across the basin in two years.

  $20M

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• Climate09/24/2026@ClimateDesk

  Interior Signs the 2027-2028 Colorado River Guidelines, Cutting Lower Basin Water

  Hoover Dam, Hoover Dam Access Road, Mohave County, AZ 89006United States Department of the Interior

  

  08/21/2026 - 12/31/2028CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins85% CONFIDENCEOverall confidence: 85%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better45 days agoReclamation's release 'For Release: Aug 21, 2026': 'Secretary Burgum signs 2027-2028 Operating Guidelines and Record of Decision'; the guidelines provide 'reductions in deliveries ... of 1.25 million acre-feet in each year of the next two years', so the period runs through 2028.^[1]

  Interior Secretary Doug Burgum signed the Record of Decision and 2027-2028 Operating Guidelines for Lake Powell and Lake Mead, cutting Lower Basin deliveries by 1.25 million acre-feet a year for two years, 50,000 of them Nevada's, as both reservoirs hit record lows.

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• Climate09/24/2026@ClimateDesk

  Lake Mead Falls to Its Lowest Level on Record

  Hoover Dam, Hoover Dam Access Road, Mohave County, AZ 89006United States Bureau of Reclamation

  

  Starts 08/06/2026CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins81% CONFIDENCEOverall confidence: 81%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better60 days agoABC News^[1] (7 Aug 2026): 'The water level at Lake Mead ... hit a record low on Thursday' at 1,040.50 feet, 'according to data published by the U.S. Bureau of Reclamation on Friday'.

  Lake Mead's surface fell to 1,040.50 feet above sea level, below the 1,040.58-foot record of July 2022, after a record-low snowpack left the reservoir that supplies Las Vegas lower than at any time since it filled in the 1930s.

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