Texas Reservoirs: Monitored Water Supply Reservoirs are 73.5% full on 2026-09-11

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-11 73.5 27,106,544 23,203,479 31,558,535
Yesterday 2026-09-10 73.6 27,123,465 23,214,371 31,558,535
2 days ago 2026-09-09 73.7 27,163,999 23,249,555 31,558,535
1 week ago 2026-09-04 74.1 27,330,694 23,400,469 31,558,535
1 month ago 2026-08-11 77.0 28,418,968 24,292,176 31,558,535
3 months ago 2026-06-11 76.4 28,602,563 24,118,212 31,558,535
6 months ago 2026-03-11 74.0 27,171,837 23,324,387 31,531,332
1 year ago 2025-09-11 77.0 28,257,435 24,295,920 31,558,535
*

 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 2026-09-10 Water Supply 9.1 1,992.32 -19.98 718 718 7,900 147
Addicks 1as of 2026-09-10 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-10 Water Supply 72.0 2,208.96 -11.04 69,276 69,276 96,207 2,142
Amistad 2as of 2026-09-10 Water Supply and Flood Control 39.1 1,056.54 -60.46 774,726 708,730 1,813,408 20,746
Amon G Carter Water Supply 76.3 916.61 -3.39 15,490 14,706 19,266 1,244
Aquillaas of 2026-09-10 Water Supply and Flood Control 86.5 535.53 -1.97 37,449 37,413 43,243 2,801
Arlingtonas of 2026-09-10 Water Supply 73.0 544.18 -5.82 29,361 29,329 40,157 1,805
Arrowheadas of 2026-09-10 Water Supply 71.9 921.11 -4.89 165,592 165,592 230,359 11,984
Athensas of 2026-09-10 Water Supply 93.7 438.96 -1.04 27,677 27,636 29,503 1,691
Austinas of 2026-09-10 Water Supply 96.9 492.32 -0.48 23,829 23,220 23,972 1,552
B A Steinhagenas of 2026-09-10 Water Supply 98.8 82.92 -0.08 68,444 68,371 69,186 10,161
Bardwellas of 2026-09-10 Water Supply and Flood Control 89.0 419.49 -1.51 39,093 39,032 43,856 3,098
Barker 3 Flood Control - n.a. - 71.27 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 96.8 592.89 -1.11 418,979 418,979 432,631 12,153
Benbrook Water Supply and Flood Control 76.4 687.99 -6.01 65,393 65,393 85,648 3,085
Bob Sandlin Water Supply 90.5 335.40 -2.10 184,913 174,182 192,417 8,478
Bois d'Arcas of 2026-09-10 Water Supply 92.0 532.16 -1.84 338,037 338,037 367,609 15,730
Bonham Water Supply 81.3 562.95 -2.05 8,978 8,966 11,027 959
Brady Creekas of 2026-09-10 Water Supply 85.9 1,740.88 -2.12 26,381 24,759 28,808 1,841
Bridgeport Water Supply and Flood Control 76.4 828.31 -7.69 284,386 284,386 372,183 10,569
Brownwoodas of 2026-09-10 Water Supply 84.7 1,421.82 -2.78 110,901 110,901 130,868 6,160
Buchananas of 2026-09-10 Water Supply 96.9 1,018.79 -1.21 853,349 839,687 866,694 22,198
Caddo 4as of 2026-09-10 Water Supply 78.4 168.06 -0.44 116,102 23,448 29,898 25,633
Canyonas of 2026-09-10 Water Supply and Flood Control 99.6 908.83 -0.17 377,454 377,383 378,781 8,217
Cedar Creek Water Supply 74.9 316.62 -5.38 482,730 482,631 644,686 27,654
Champion Creek Water Supply 42.6 2,062.60 -20.40 17,697 17,697 41,580 861
Cherokeeas of 2026-09-10 Water Supply 84.7 278.10 -1.90 38,322 33,940 40,094 3,199
Choke Canyon Water Supply 22.8 191.60 -28.90 151,339 151,338 662,820 10,564
Ciscoas of 2026-09-10 Water Supply 43.4 1,503.44 -19.02 12,573 12,573 29,003 589
Colemanas of 2026-09-10 Water Supply 79.7 1,713.04 -4.46 30,348 30,330 38,075 1,654
Coleto Creek Water Supply 73.7 94.50 -3.50 22,876 22,876 31,040 2,157
Colorado City Water Supply 53.6 2,058.95 -11.25 16,500 16,500 30,758 - n.a. -
Comanche Creek Water Supply 100.0 775.17 0.17 151,812 151,250 151,250 - n.a. -
Conroe Water Supply 95.0 199.94 -1.06 396,820 396,793 417,577 19,321
Corpus Christi Water Supply 86.8 92.24 -1.76 222,500 222,222 256,062 18,706
Crook Water Supply 87.1 474.85 -1.15 8,025 8,010 9,195 1,012
Cypress Springsas of 2026-09-10 Water Supply 91.3 376.17 -1.83 60,960 60,960 66,756 3,105
E V Spence Water Supply 9.7 1,842.75 -55.25 50,335 50,335 517,272 3,313
Eagle Mountain Water Supply and Flood Control 73.9 643.35 -5.75 136,759 136,759 185,087 7,707
Elephant Butte 5as of 2026-09-10 Water Supply and Flood Control 1.4 3,886.92 -518.67 27,843 27,843 1,960,900 - n.a. -
Falcon 2as of 2026-09-10 Water Supply and Flood Control 21.6 261.62 -39.58 470,809 337,954 1,562,367 28,644
Forkas of 2026-09-10 Water Supply 83.2 398.95 -4.05 535,873 504,430 606,088 23,615
Fort Phantom Hillas of 2026-09-10 Water Supply 68.2 1,629.40 -6.50 47,738 47,732 70,030 3,008
Georgetown Water Supply and Flood Control 81.2 785.18 -5.82 30,915 30,852 38,005 1,153
Gibbons Creek Water Supply 89.8 245.94 -1.06 24,796 23,092 25,721 2,331
Grahamas of 2026-09-10 Water Supply 66.8 1,068.23 -6.77 30,252 30,238 45,288 1,942
Granbury Water Supply 87.6 690.58 -2.12 117,353 116,444 132,949 7,399
Granger Water Supply and Flood Control 100.0 504.02 0.02 51,905 51,822 51,822 - n.a. -
Grapevineas of 2026-09-10 Water Supply and Flood Control 92.7 533.13 -1.87 151,129 151,129 163,064 6,197
Greenbeltas of 2026-09-10 Water Supply 2.8 2,603.04 -60.96 2,105 1,673 59,968 210
Halbertas of 2026-09-10 Water Supply 73.7 365.09 -2.91 4,449 4,449 6,033 511
Hords Creekas of 2026-09-10 Water Supply and Flood Control 47.0 1,888.79 -11.21 3,811 3,808 8,109 276
Houstonas of 2026-09-10 Water Supply 100.0 42.56 0.18 138,187 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-10 Water Supply 95.1 259.35 -0.65 16,834 16,282 17,113 1,264
Hubbard Creekas of 2026-09-10 Water Supply 37.0 1,166.48 -16.83 120,831 115,955 313,298 8,100
Hubert H Mossas of 2026-09-10 Water Supply 91.0 712.94 -2.06 21,982 21,885 24,058 1,029
Inksas of 2026-09-10 Water Supply 95.0 887.13 -0.87 13,320 13,037 13,729 784
J B Thomasas of 2026-09-10 Water Supply 21.0 2,226.68 -31.32 42,576 41,903 199,931 3,158
Jacksonvilleas of 2026-09-10 Water Supply 97.7 421.48 -0.52 25,133 25,071 25,670 1,144
Jim Chapmanas of 2026-09-10 Water Supply and Flood Control 73.2 435.87 -4.13 225,083 189,308 258,723 15,573
Joe Poolas of 2026-09-10 Water Supply and Flood Control 91.7 520.07 -1.93 138,594 137,224 149,629 6,186
Kempas of 2026-09-10 Water Supply and Flood Control 71.4 1,138.98 -5.02 175,368 175,242 245,307 9,519
Kickapooas of 2026-09-10 Water Supply 79.7 1,041.82 -3.18 68,847 68,847 86,345 5,141
Lake O' the Pinesas of 2026-09-10 Water Supply and Flood Control 86.3 227.95 -2.05 231,768 231,768 268,566 17,258
Lavon Water Supply and Flood Control 83.1 488.53 -3.47 343,453 340,612 409,757 19,185
Leonas of 2026-09-10 Water Supply 77.5 1,371.10 -3.90 21,799 21,519 27,762 1,450
Lewisvilleas of 2026-09-10 Water Supply and Flood Control 86.7 519.14 -2.86 524,270 488,596 563,228 25,203
Limestone Water Supply 88.5 361.06 -1.94 180,353 180,353 203,780 11,655
Livingston Water Supply 93.9 129.71 -1.29 1,505,874 1,505,874 1,603,504 74,022
Lost Creekas of 2026-09-10 Water Supply 88.8 1,005.87 -3.63 10,608 10,608 11,950 - n.a. -
Lyndon B Johnsonas of 2026-09-10 Water Supply 98.9 824.81 -0.19 130,397 111,557 112,778 6,414
Mackenzieas of 2026-09-10 Water Supply 10.9 3,018.75 -81.25 5,082 5,082 46,450 236
Marble Fallsas of 2026-09-10 Water Supply 96.3 736.54 -0.46 7,317 7,317 7,597 604
Martinas of 2026-09-10 Water Supply 82.7 303.22 -2.78 62,657 62,657 75,726 4,448
Medina Water Supply 29.4 1,021.43 -42.77 74,980 74,980 254,823 2,506
Meredith 6as of 2026-09-10 Water Supply 41.0 2,889.14 -47.36 243,304 204,890 500,000 7,379
Millers Creekas of 2026-09-10 Water Supply 59.2 1,327.90 -6.10 17,130 15,847 26,768 1,408
Mineral Wellsas of 2026-09-10 Water Supply 86.5 861.42 -1.58 4,563 4,563 5,273 435
Monticelloas of 2026-09-10 Water Supply 75.3 335.30 -4.70 26,161 26,161 34,740 1,586
Mountain Creekas of 2026-09-10 Water Supply 98.8 456.88 -0.12 22,577 22,577 22,850 2,668
Murvaul Water Supply 89.6 264.12 -1.18 34,317 34,317 38,285 3,293
Nacogdochesas of 2026-09-10 Water Supply 87.7 276.67 -2.33 34,681 34,679 39,522 1,979
Nasworthyas of 2026-09-10 Water Supply 86.0 1,871.76 -0.95 8,762 8,269 9,615 1,236
Navarro Mills Water Supply and Flood Control 81.6 422.47 -2.03 40,658 40,657 49,827 4,350
New Terrell Cityas of 2026-09-10 Water Supply 25.3 493.67 -10.33 2,185 2,174 8,583 367
Noconaas of 2026-09-10 Water Supply 72.9 822.86 -4.64 15,929 15,625 21,444 1,158
North Fork Buffalo Creekas of 2026-09-10 Water Supply 74.2 1,045.41 -2.59 11,425 11,425 15,400 1,237
O C Fisher Water Supply and Flood Control 11.4 1,872.81 -35.19 13,139 13,138 115,742 1,159
O H Ivieas of 2026-09-10 Water Supply 42.9 1,530.11 -21.39 237,957 237,957 554,340 - n.a. -
Oak Creekas of 2026-09-10 Water Supply 14.4 1,973.92 -26.08 5,791 5,641 39,210 536
Palestineas of 2026-09-10 Water Supply 91.5 343.61 -1.39 336,050 336,041 367,303 21,869
Palo Duroas of 2026-09-10 Water Supply and Flood Control 0.4 2,826.32 -65.68 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-10 Water Supply 80.5 864.54 -2.46 21,923 21,537 26,766 2,077
Pat Cleburne Water Supply 86.9 731.28 -2.22 22,607 22,607 26,008 1,500
Pat Mayseas of 2026-09-10 Water Supply and Flood Control 93.7 449.72 -1.28 110,715 106,555 113,683 5,501
Possum Kingdom Water Supply 87.3 994.98 -4.02 469,924 469,924 538,139 15,922
Proctoras of 2026-09-10 Water Supply and Flood Control 64.2 1,157.28 -4.72 35,137 35,137 54,762 3,547
Ray Hubbard Water Supply 86.7 432.58 -2.92 380,927 380,927 439,559 19,575
Ray Robertsas of 2026-09-10 Water Supply and Flood Control 95.2 631.15 -1.35 750,784 750,461 788,167 27,517
Red Bluff Water Supply 44.7 2,814.42 -13.68 64,929 64,929 145,165 4,462
Richland-Chambers Water Supply 91.1 312.73 -2.27 1,027,665 1,001,882 1,099,417 42,060
Sam Rayburnas of 2026-09-10 Water Supply and Flood Control 66.9 154.93 -9.47 1,928,975 1,910,019 2,857,077 85,905
Somerville Water Supply and Flood Control 92.8 237.02 -0.98 139,491 139,491 150,293 10,798
Stamfordas of 2026-09-10 Water Supply 65.3 1,412.99 -3.81 33,694 33,691 51,570 3,730
Stillhouse Hollow Water Supply and Flood Control 98.0 621.27 -0.73 225,227 225,141 229,796 6,324
Strikeras of 2026-09-10 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-10 Water Supply 89.0 457.87 -1.08 15,801 15,801 17,747 - n.a. -
Sweetwateras of 2026-09-10 Water Supply 17.4 2,090.93 -25.57 2,136 2,136 12,267 208
Tawakonias of 2026-09-10 Water Supply 93.0 435.82 -1.68 811,003 810,995 871,685 35,369
Texana Water Supply 86.6 41.83 -2.17 142,851 137,638 158,975 9,374
Texoma 7as of 2026-09-10 Water Supply and Flood Control 96.4 615.79 -1.21 2,398,074 1,199,036 1,243,801 72,403
Toledo Bend 8 Water Supply 87.8 168.68 -3.32 3,930,780 1,963,340 2,236,450 166,585
Travisas of 2026-09-10 Water Supply and Flood Control 93.4 677.10 -3.90 1,042,566 1,025,534 1,098,044 18,151
Twin Buttes Water Supply and Flood Control 5.7 1,896.59 -43.61 14,098 10,349 182,454 1,147
Tyleras of 2026-09-10 Water Supply 89.1 373.64 -1.74 69,404 64,193 72,073 4,359
Wacoas of 2026-09-10 Water Supply and Flood Control 89.0 459.69 -2.53 168,326 168,100 188,891 7,972
Waxahachieas of 2026-09-10 Water Supply 79.7 527.88 -3.62 9,396 8,814 11,060 577
Weatherfordas of 2026-09-10 Water Supply 56.2 887.91 -8.09 10,010 10,010 17,812 861
White Riveras of 2026-09-10 Water Supply 21.7 2,349.30 -22.90 6,920 6,920 31,846 672
Whitneyas of 2026-09-10 Water Supply and Flood Control 93.1 531.25 -1.75 526,932 525,578 564,808 21,638
Worthas of 2026-09-10 Water Supply 66.8 591.53 -2.47 25,397 16,321 24,419 3,112
Wright Patmanas of 2026-09-10 Water Supply and Flood Control 100.0 225.78 5.18 254,846 122,593 122,593 - 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.