# ---------------------------------- Disclaimer ----------------------------------------- # The reservoir data contained in this file are best estimates generated by the Texas # Water Development Board(TWDB) using data collected by various data providers as well # as by TWDB. For a detailed explaination of the methodology used please visit: # # http://waterdatafortexas.org/reservoirs/methodology # # TWDB makes no warranties(including no warranties as to merchantability or fitness) # either expressed or implied with respect to the data or its fitness for any specific # application. # --------------------------------------------------------------------------------------- # # Definitions: # reservoir_storage = actual storage at measured lake elevation # dead_pool_capacity = storage at dead pool elevation # conservation_capacity = storage at conservation pool elevation - dead pool capacity # conservation_storage = reservoir storage - dead pool capacity (note: conservation storage is capped at conservation capacity) # percent_full = 100 * conservation storage/conservation capacity # # for more detailed explanations see http://waterdatafortexas.org/reservoirs/glossary # # Estimated daily average data for Lake Buchanan # generated: 2025-05-25T23:57:57.967067 UTC # url: http://www.waterdatafortexas.org/reservoirs/individual/buchanan-30day.csv # # Footnote: # The elevation-storage rating curve used to produce the storage # hydrograph is made of two segments: (1) the segment up to the # conservation pool top (below the red line) is based on measured data, # and (2) the segment in the flood pool (above the red line) is an # extrapolation from the first segment and shouldn't be relied upon for # flood storage information. # # Elevation-Area-Capacity rating curve(s) used: # http://www.waterdatafortexas.org/reservoirs/individual/buchanan/rating-curve/TWDB/2006-03-01 # http://www.waterdatafortexas.org/reservoirs/individual/buchanan/rating-curve/TWDB/2019-07-01 # # Conservation pool elevation(s) used: # 1018 feet above NAVD88 +0.26 (Start date: 1990-05-01, Seasonal: May 1 to November 1) # 1020 feet above NAVD88 +0.26 (Start date: 1990-05-01, Seasonal: November 1 to May 1) # 1020.5 feet above NAVD88 +0.26 (End date: 1990-03-08) # 1020 feet above NAVD88 +0.26 (Start date to end date: 1990-03-08 to 1990-05-01) # # Dead pool elevation(s) used: # 937.0 feet above NAVD88 +0.26 # # Vertical datum(s) used: # NAVD88 +0.26 # # Units: # date: YYYY-MM-DD # water_level: feet above vertical datum # surface_area: acres # storages: acre-feet # # date,water_level,surface_area,reservoir_storage,conservation_storage,percent_full,conservation_capacity,dead_pool_capacity 2025-04-25,998.97,15314.95,474102,460440,53.1,866694,13662 2025-04-26,998.87,15280.81,472572,458910,52.9,866694,13662 2025-04-27,998.76,15246.57,470893,457231,52.8,866694,13662 2025-04-28,998.68,15222.93,469675,456013,52.6,866694,13662 2025-04-29,998.67,15220.04,469522,455860,52.6,866694,13662 2025-04-30,998.69,15225.82,469827,456165,52.6,866694,13662 2025-05-01,998.77,15249.59,471046,457384,55.6,822207,13662 2025-05-02,999.03,15334.01,475022,461360,56.1,822207,13662 2025-05-03,999.00,15324.56,474562,460900,56.1,822207,13662 2025-05-04,998.94,15305.05,473643,459981,55.9,822207,13662 2025-05-05,998.89,15287.73,472878,459216,55.9,822207,13662 2025-05-06,998.86,15277.52,472420,458758,55.8,822207,13662 2025-05-07,998.81,15261.75,471656,457994,55.7,822207,13662 2025-05-08,998.81,15261.75,471656,457994,55.7,822207,13662 2025-05-09,998.77,15249.59,471046,457384,55.6,822207,13662 2025-05-10,998.72,15234.57,470284,456622,55.5,822207,13662 2025-05-11,998.65,15214.27,469218,455556,55.4,822207,13662 2025-05-12,998.57,15190.72,468002,454340,55.3,822207,13662 2025-05-13,998.49,15168.59,466787,453125,55.1,822207,13662 2025-05-14,998.41,15146.64,465575,451913,55.0,822207,13662 2025-05-15,998.34,15127.47,464515,450853,54.8,822207,13662 2025-05-16,998.26,15105.77,463306,449644,54.7,822207,13662 2025-05-17,998.22,15095.10,462702,449040,54.6,822207,13662 2025-05-18,998.11,15065.54,461043,447381,54.4,822207,13662 2025-05-19,998.01,15038.83,459538,445876,54.2,822207,13662 2025-05-20,997.91,15012.16,458035,444373,54.0,822207,13662 2025-05-21,997.78,14977.67,456086,442424,53.8,822207,13662 2025-05-22,997.64,14940.56,453992,440330,53.6,822207,13662 2025-05-23,997.73,14964.48,455337,441675,53.7,822207,13662 2025-05-24,998.07,15054.81,460441,446779,54.3,822207,13662 2025-05-25,998.55,15185.04,467698,454036,55.2,822207,13662