2 - Update on Lower Colorado River and Highland Lakes water supply conditions | Austin Integrated Water Resource Planning Community Task Force

Austin Integrated Water Resource Planning Community Task Force – March 5, 2024

2 - Update on Lower Colorado River and Highland Lakes water supply conditions — original pdf

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Update on Lower Colorado River and Highland Lakes water supply conditions 225,000 200,000 175,000 t e e F - e r c A 150,000 125,000 100,000 75,000 50,000 25,000 0 Highland Lakes Inflows Average 1942 - Present Average 2008 - 2015 2023 Jan. - Feb. 2024 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Combined Storage of Lakes Buchanan and Travis January 1, 2005 through March 1, 2024 2.0M ac-ft Full Storage Austin Drought Contingency Plan (DCP) Storage Volume Trigger Levels 1.4M ac-ft DCP Stage 1 0.9M ac-ft DCP Stage 2 0.6M ac-ft Interruptible stored water for non-Garwood agricultural operations was not provided by LCRA in 2012 through 2015 and beginning with the second growing season of 2022 through 2024. 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 t e e f - e r c a , e g a r o t S 2,200,000 2,000,000 1,800,000 1,600,000 1,400,000 1,200,000 1,000,000 800,000 600,000 400,000 200,000 0 NOAA 3-month Outlook: Dec - Feb The seasonal outlooks combine long-term trends, soil moisture, and El Nino/Southern Oscillation. As of 2/8/24: A transition from El Niño to ENSO-neutral is likely by April-June 2024 (79% chance), with increasing odds of La Niña developing in June-August 2024 (55% chance). Questions?