Texas Reservoirs: Monitored Water Supply Reservoirs are 74.3% full on 2026-04-21

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-04-21 74.3 27,320,204 23,443,045 31,531,332
Yesterday 2026-04-20 74.4 27,322,379 23,443,704 31,531,332
2 days ago 2026-04-19 74.4 27,346,716 23,454,196 31,531,332
1 week ago 2026-04-14 74.2 27,268,620 23,400,216 31,531,332
1 month ago 2026-03-21 74.0 27,157,608 23,337,189 31,531,332
3 months ago 2026-01-21 73.0 26,766,926 23,020,593 31,531,332
6 months ago 2025-10-21 74.0 27,122,217 23,320,717 31,531,332
1 year ago 2025-04-21 76.1 28,886,375 23,986,011 31,531,332
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

**

   Water supply reservoirs include reservoirs which provide water for all beneficial purposes such as power generation, recreation, and municipal water supply. Today's total is subject to change as data are updated. See footnotes on individual lakes for cases where special conditions apply.

Recent Conditions

Reservoir Type Percent Full Water Level
(ft)
Height Above Conservation Pool
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Abileneas of 2026-04-20 Water Supply 3.7 1,988.58 -23.72 296 296 7,900 93
Addicks 1 Flood Control - n.a. - 78.65 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-04-20 Water Supply 81.9 2,213.20 -6.80 78,782 78,782 96,207 2,347
Amistad 2 Water Supply and Flood Control 31.5 1,048.32 -68.68 621,295 570,699 1,813,408 16,776
Amon G Carter Water Supply 85.1 917.96 -2.04 17,188 16,404 19,266 1,336
Aquillaas of 2026-04-20 Water Supply and Flood Control 94.0 536.64 -0.86 40,669 40,633 43,243 2,985
Arlingtonas of 2026-04-20 Water Supply 93.6 548.65 -1.35 37,616 37,584 40,157 1,889
Arrowheadas of 2026-04-20 Water Supply 83.7 923.28 -2.72 192,812 192,812 230,359 13,103
Athensas of 2026-04-20 Water Supply 100.0 440.24 0.24 29,992 29,503 29,503 - n.a. -
Austin Water Supply 97.1 492.35 -0.45 23,876 23,267 23,972 1,554
B A Steinhagenas of 2026-04-20 Water Supply 94.9 82.65 -0.35 65,735 65,662 69,186 9,913
Bardwellas of 2026-04-20 Water Supply and Flood Control 100.0 421.17 0.17 44,481 43,856 43,856 3,322
Barker 3 Flood Control - n.a. - 79.69 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Beltonas of 2026-04-20 Water Supply and Flood Control 99.7 593.88 -0.12 431,140 431,140 432,631 12,413
Benbrookas of 2026-04-20 Water Supply and Flood Control 85.0 690.32 -3.68 72,827 72,827 85,648 3,308
Bob Sandlin Water Supply 95.6 336.53 -0.97 194,618 183,887 192,417 8,699
Bois d'Arcas of 2026-04-20 Water Supply 89.5 531.60 -2.40 328,887 328,887 367,609 15,474
Bonhamas of 2026-04-20 Water Supply 80.4 562.85 -2.15 8,882 8,870 11,027 954
Brady Creekas of 2026-04-20 Water Supply 95.2 1,742.27 -0.73 29,040 27,418 28,808 1,966
Bridgeportas of 2026-04-20 Water Supply and Flood Control 85.2 831.31 -4.69 317,121 317,121 372,183 11,234
Brownwoodas of 2026-04-20 Water Supply 82.5 1,421.34 -3.26 107,968 107,968 130,868 6,061
Buchanan Water Supply 95.9 1,018.39 -1.61 844,485 830,823 866,694 22,125
Caddo 4as of 2026-03-09 Water Supply 100.0 168.93 0.43 138,546 29,898 29,898 27,670
Canyonas of 2026-04-20 Water Supply and Flood Control 58.4 886.38 -22.62 221,275 221,204 378,781 5,785
Cedar Creek Water Supply 83.8 318.63 -3.37 540,238 540,139 644,686 29,523
Champion Creekas of 2026-04-20 Water Supply 39.7 2,061.30 -21.70 16,526 16,526 41,580 830
Cherokeeas of 2026-04-20 Water Supply 100.0 280.27 0.27 45,914 40,094 40,094 - n.a. -
Choke Canyonas of 2026-04-20 Water Supply 7.5 178.70 -41.80 49,662 49,661 662,820 5,186
Ciscoas of 2026-04-20 Water Supply 47.8 1,505.64 -16.82 13,874 13,874 29,003 639
Colemanas of 2026-04-20 Water Supply 87.7 1,714.86 -2.64 33,421 33,403 38,075 1,730
Coleto Creekas of 2026-04-20 Water Supply 74.6 94.63 -3.37 23,157 23,157 31,040 2,176
Colorado City Water Supply 52.9 2,058.72 -11.48 16,256 16,256 30,758 - n.a. -
Comanche Creek Water Supply 100.0 775.43 0.43 152,638 151,250 151,250 - n.a. -
Conroe Water Supply 94.8 199.89 -1.11 395,855 395,828 417,577 19,294
Corpus Christi Water Supply 8.7 74.94 -19.06 22,635 22,357 256,062 4,783
Crook Water Supply 98.1 475.83 -0.17 9,033 9,018 9,195 1,044
Cypress Springsas of 2026-04-20 Water Supply 96.5 377.28 -0.72 64,447 64,447 66,756 3,180
E V Spence Water Supply 11.5 1,845.39 -52.61 59,638 59,638 517,272 3,789
Eagle Mountain Water Supply and Flood Control 90.1 647.05 -2.05 166,825 166,825 185,087 8,587
Elephant Butte 5as of 2026-04-20 Water Supply and Flood Control 12.8 4,319.23 -86.36 251,465 251,465 1,960,900 8,846
Falcon 2 Water Supply and Flood Control 21.0 258.21 -42.99 380,128 327,951 1,562,367 24,448
Forkas of 2026-04-20 Water Supply 88.0 400.17 -2.83 565,073 533,630 606,088 24,318
Fort Phantom Hillas of 2026-04-20 Water Supply 74.9 1,630.93 -4.97 52,464 52,458 70,030 3,171
Georgetown Water Supply and Flood Control 77.6 784.00 -7.00 29,573 29,510 38,005 1,122
Gibbons Creek Water Supply 94.6 246.45 -0.55 26,038 24,334 25,721 2,493
Grahamas of 2026-04-20 Water Supply 77.7 1,070.65 -4.35 35,193 35,179 45,288 2,145
Granbury Water Supply 99.5 692.62 -0.08 133,206 132,297 132,949 8,143
Granger Water Supply and Flood Control 100.0 504.56 0.56 54,156 51,822 51,822 - n.a. -
Grapevineas of 2026-04-20 Water Supply and Flood Control 100.0 536.12 1.12 170,605 163,064 163,064 - n.a. -
Greenbeltas of 2026-04-20 Water Supply 7.0 2,611.45 -52.55 4,605 4,173 59,968 348
Halbertas of 2026-04-20 Water Supply 75.3 365.27 -2.73 4,542 4,542 6,033 515
Hords Creekas of 2026-04-20 Water Supply and Flood Control 54.8 1,890.96 -9.04 4,450 4,447 8,109 315
Houstonas of 2026-04-20 Water Supply 88.5 41.02 -1.36 120,966 117,165 132,318 10,842
Houston Countyas of 2026-04-20 Water Supply 100.0 260.20 0.20 17,924 17,113 17,113 - n.a. -
Hubbard Creekas of 2026-04-20 Water Supply 45.6 1,169.57 -13.74 147,761 142,885 313,298 9,373
Hubert H Mossas of 2026-04-20 Water Supply 90.9 712.93 -2.07 21,972 21,875 24,058 1,029
Inks Water Supply 94.2 887.00 -1.00 13,218 12,935 13,729 776
J B Thomasas of 2026-04-20 Water Supply 26.7 2,230.12 -27.88 54,000 53,327 199,931 3,505
Jacksonvilleas of 2026-04-20 Water Supply 100.0 422.09 0.09 25,836 25,670 25,670 - n.a. -
Jim Chapmanas of 2026-04-20 Water Supply and Flood Control 78.9 436.81 -3.19 240,011 204,236 258,723 16,163
Joe Poolas of 2026-04-20 Water Supply and Flood Control 100.0 522.49 0.49 154,306 149,629 149,629 6,799
Kempas of 2026-04-20 Water Supply and Flood Control 95.9 1,143.34 -0.66 235,442 235,316 245,307 14,980
Kickapooas of 2026-04-20 Water Supply 87.5 1,043.09 -1.91 75,560 75,560 86,345 5,430
Lake O' the Pinesas of 2026-04-20 Water Supply and Flood Control 99.2 228.39 -0.11 239,427 239,427 241,363 17,560
Lavonas of 2026-04-20 Water Supply and Flood Control 100.0 492.46 0.46 422,155 409,757 409,757 20,908
Leonas of 2026-04-20 Water Supply 81.2 1,371.80 -3.20 22,828 22,548 27,762 1,505
Lewisvilleas of 2026-04-20 Water Supply and Flood Control 100.0 522.08 0.08 601,064 563,228 563,228 - n.a. -
Limestone Water Supply 84.2 360.29 -2.71 171,532 171,532 203,780 11,291
Livingston Water Supply 100.0 131.05 0.05 1,607,396 1,603,504 1,603,504 77,942
Lost Creekas of 2026-04-20 Water Supply 94.9 1,008.06 -1.44 11,346 11,346 11,950 - n.a. -
Lyndon B Johnson Water Supply 98.0 824.65 -0.35 129,372 110,532 112,778 6,399
Mackenzieas of 2026-04-20 Water Supply 12.1 3,021.05 -78.95 5,616 5,616 46,450 252
Marble Falls Water Supply 97.2 736.65 -0.35 7,384 7,384 7,597 607
Martinas of 2026-04-20 Water Supply 94.7 305.18 -0.82 71,725 71,725 75,726 4,805
Medina Water Supply 3.9 976.79 -87.41 9,848 9,848 254,823 722
Meredith 6as of 2026-04-20 Water Supply 45.2 2,891.72 -44.78 264,486 226,072 500,000 8,688
Millers Creekas of 2026-04-20 Water Supply 67.1 1,329.33 -4.67 19,239 17,956 26,768 1,543
Mineral Wellsas of 2026-04-20 Water Supply 99.2 862.91 -0.09 5,231 5,231 5,273 464
Monticelloas of 2026-04-20 Water Supply 80.4 336.38 -3.62 27,941 27,941 34,740 1,673
Mountain Creekas of 2026-04-20 Water Supply 100.0 457.63 0.63 24,506 22,850 22,850 2,867
Murvaul Water Supply 99.9 265.29 -0.01 38,250 38,250 38,285 3,498
Nacogdochesas of 2026-04-20 Water Supply 97.0 278.46 -0.54 38,357 38,355 39,522 2,133
Nasworthyas of 2026-04-20 Water Supply 87.3 1,871.86 -0.85 8,886 8,393 9,615 1,244
Navarro Millsas of 2026-04-20 Water Supply and Flood Control 96.2 424.09 -0.41 47,915 47,914 49,827 4,621
New Terrell Cityas of 2026-04-20 Water Supply 27.3 494.13 -9.87 2,357 2,346 8,583 382
Noconaas of 2026-04-20 Water Supply 85.9 825.18 -2.32 18,735 18,431 21,444 1,257
North Fork Buffalo Creekas of 2026-04-20 Water Supply 90.2 1,047.04 -0.96 13,887 13,887 15,400 1,409
O C Fisher Water Supply and Flood Control 14.3 1,875.54 -32.46 16,543 16,542 115,742 1,331
O H Ivieas of 2026-04-20 Water Supply 47.1 1,532.19 -19.31 260,980 260,980 554,340 - n.a. -
Oak Creekas of 2026-04-20 Water Supply 18.4 1,976.62 -23.38 7,359 7,209 39,210 645
Palestineas of 2026-04-20 Water Supply 99.9 344.99 -0.01 367,081 367,072 367,303 23,103
Palo Duroas of 2026-04-20 Water Supply and Flood Control 0.4 2,826.22 -65.78 224 224 61,066 - n.a. -
Palo Pintoas of 2026-04-20 Water Supply 94.0 866.26 -0.74 25,554 25,168 26,766 2,145
Pat Cleburneas of 2026-04-20 Water Supply 98.1 733.19 -0.31 25,525 25,525 26,008 1,556
Pat Mayseas of 2026-04-20 Water Supply and Flood Control 90.5 449.05 -1.95 107,082 102,922 113,683 5,340
Possum Kingdomas of 2026-04-20 Water Supply 93.7 997.06 -1.94 504,248 504,248 538,139 17,019
Proctoras of 2026-04-20 Water Supply and Flood Control 75.9 1,158.97 -3.03 41,567 41,567 54,762 4,008
Ray Hubbard Water Supply 99.8 435.45 -0.05 438,515 438,515 439,559 20,885
Ray Robertsas of 2026-04-20 Water Supply and Flood Control 100.0 632.74 0.24 795,316 788,167 788,167 - n.a. -
Red Bluffas of 2026-04-20 Water Supply 54.9 2,817.53 -10.57 79,732 79,732 145,165 5,083
Richland-Chambersas of 2026-04-20 Water Supply 92.4 313.06 -1.94 1,041,588 1,015,805 1,099,417 42,323
Sam Rayburnas of 2026-04-20 Water Supply and Flood Control 71.1 156.30 -8.10 2,049,239 2,030,283 2,857,077 89,730
Somerville Water Supply and Flood Control 73.9 234.26 -3.74 111,106 111,106 150,293 9,720
Stamfordas of 2026-04-20 Water Supply 75.8 1,414.35 -2.45 39,087 39,084 51,570 4,182
Stillhouse Hollow Water Supply and Flood Control 96.1 620.58 -1.42 220,896 220,810 229,796 6,231
Strikeras of 2026-04-20 Water Supply 99.0 292.91 -0.09 21,624 16,702 16,878 1,947
Sulphur Springsas of 2026-04-20 Water Supply 84.9 457.42 -1.53 15,061 15,061 17,747 - n.a. -
Sweetwateras of 2026-04-20 Water Supply 23.0 2,094.02 -22.48 2,819 2,819 12,267 244
Tawakonias of 2026-04-20 Water Supply 98.6 437.17 -0.33 859,546 859,538 871,685 36,609
Texana Water Supply 54.6 35.56 -8.44 91,982 86,769 158,975 6,961
Texoma 7 Water Supply and Flood Control 100.0 617.22 0.22 2,504,515 1,243,801 1,243,801 76,252
Toledo Bend 8 Water Supply 88.9 168.96 -3.04 3,978,351 1,987,126 2,236,450 167,935
Travis Water Supply and Flood Control 72.7 663.36 -17.64 815,835 798,803 1,098,044 14,897
Twin Buttes Water Supply and Flood Control 10.4 1,903.00 -37.20 22,693 18,944 182,454 1,571
Tyleras of 2026-04-20 Water Supply 98.1 375.09 -0.29 75,926 70,715 72,073 4,647
Wacoas of 2026-04-20 Water Supply and Flood Control 100.0 462.32 0.10 190,070 188,891 188,891 8,512
Waxahachieas of 2026-04-20 Water Supply 86.6 529.17 -2.33 10,162 9,580 11,060 609
Weatherfordas of 2026-04-20 Water Supply 67.4 890.15 -5.85 12,001 12,001 17,812 915
White Riveras of 2026-04-20 Water Supply 26.9 2,351.64 -20.56 8,569 8,569 31,846 745
Whitneyas of 2026-04-20 Water Supply and Flood Control 95.8 531.95 -1.05 542,289 540,935 564,808 22,254
Worthas of 2026-04-20 Water Supply 75.9 592.23 -1.77 27,615 18,539 24,419 3,216
Wright Patmanas of 2026-04-20 Water Supply and Flood Control 100.0 223.39 2.79 187,204 122,593 122,593 - n.a. -
footnotes
1

Addicks Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.

2

Lake Amistad and Lake Falcon straddle the border of Texas and Mexico. By treaty, Texas has rights to 56.2% of the total conservation capacity of Amistad and 58.6% of the total conservation capacity of Falcon. The fraction of the actual storage that belongs to Texas is formally determined biweekly by the International Boundary Water Commission (IBWC). The IBWC is the legal repository of data related to this lake for treaty purposes and official versions of the datasets should be obtained directly from them. Conservation capacity is based on the fixed percent of total conservation capacity. Conservation storage is based on the bi-weekly changing Texas share.

3

Barker Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.

4

Caddo Lake straddles the border of Texas and Louisiana, Texas has rights to 50% of Lake Caddo's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.

5

Elephant Butte Lake (located in New Mexico) is governed by the Rio Grande Compact. The Rio Grande Compact is an interstate compact signed in 1938 between the states of Colorado, New Mexico and Texas and approved by the U.S. Congress, to equitably apportion the waters of the Rio Grande Basin. Water from the lake supplies irrigation water as well as a portion of El Paso's supply when available.

6

Lake Meredith is governed by the Canadian River Compact. The States of New Mexico, Texas and Oklahoma are all parties to the compact created by agreement of the three states and the federal government in 1950. According to the compact, New Mexico can hold 200,000 acre-feet in Ute Lake before it has to release water to Texas. Texas also can only hold 500,000 acre-feet in Lake Meredith before it has to release water for Oklahoma.

7

Lake Texoma straddles the border of Texas and Oklahoma, Texas has rights to 50% of Lake Texoma's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.

8

Toledo Bend Reservoir straddles the border of Texas and Louisiana, Texas has rights to 50% of Toledo Bend Reservoir's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.