Texas Reservoirs: Monitored Water Supply Reservoirs are 72.6% full on 2026-09-19

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-19 72.6 26,777,956 22,902,537 31,551,133
Yesterday 2026-09-18 72.6 26,798,015 22,915,953 31,552,974
2 days ago 2026-09-17 72.7 26,839,126 22,954,334 31,554,821
1 week ago 2026-09-12 73.3 27,037,381 23,137,896 31,558,535
1 month ago 2026-08-19 75.9 28,005,618 23,963,991 31,558,535
3 months ago 2026-06-19 77.2 29,025,123 24,351,560 31,558,535
6 months ago 2026-03-19 74.0 27,181,776 23,346,480 31,531,332
1 year ago 2025-09-19 76.3 27,988,631 24,083,143 31,551,133
*

 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 2026-09-18 Water Supply 8.5 1,991.97 -20.33 671 671 7,900 142
Addicks 1as of 2026-09-18 Flood Control - n.a. - 76.42 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-18 Water Supply 71.5 2,208.75 -11.25 68,827 68,827 96,207 2,132
Amistad 2 Water Supply and Flood Control 38.8 1,056.37 -60.63 771,246 703,482 1,813,408 20,660
Amon G Carter Water Supply 75.1 916.41 -3.59 15,257 14,473 19,266 1,231
Aquillaas of 2026-09-18 Water Supply and Flood Control 84.8 535.27 -2.23 36,727 36,691 43,243 2,759
Arlingtonas of 2026-09-18 Water Supply 70.1 543.52 -6.48 28,175 28,143 40,157 1,787
Arrowheadas of 2026-09-18 Water Supply 70.7 920.89 -5.11 162,968 162,968 230,359 11,870
Athensas of 2026-09-18 Water Supply 92.7 438.80 -1.20 27,400 27,359 29,503 1,673
Austin Water Supply 97.3 492.39 -0.41 23,938 23,329 23,972 1,556
B A Steinhagenas of 2026-09-18 Water Supply 97.9 82.86 -0.14 67,837 67,764 69,186 10,106
Bardwellas of 2026-09-18 Water Supply and Flood Control 87.5 419.28 -1.72 38,445 38,384 43,856 3,071
Barker 3 Flood Control - n.a. - 69.53 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Beltonas of 2026-09-18 Water Supply and Flood Control 96.0 592.60 -1.40 415,466 415,466 432,631 12,077
Benbrookas of 2026-09-18 Water Supply and Flood Control 73.3 687.14 -6.86 62,800 62,800 85,648 3,019
Bob Sandlin Water Supply 89.8 335.24 -2.26 183,559 172,828 192,417 8,446
Bois d'Arcas of 2026-09-18 Water Supply 90.7 531.87 -2.13 333,328 333,328 367,609 15,600
Bonhamas of 2026-09-18 Water Supply 79.5 562.74 -2.26 8,778 8,766 11,027 948
Brady Creekas of 2026-09-18 Water Supply 84.9 1,740.70 -2.30 26,069 24,447 28,808 1,824
Bridgeportas of 2026-09-18 Water Supply and Flood Control 75.0 827.82 -8.18 279,237 279,237 372,183 10,449
Brownwoodas of 2026-09-18 Water Supply 83.3 1,421.51 -3.09 109,001 109,001 130,868 6,096
Buchanan Water Supply 96.2 1,018.52 -1.48 847,362 833,700 866,694 22,148
Caddo 4as of 2026-09-18 Water Supply 100.0 168.69 0.19 132,745 29,898 29,898 27,154
Canyonas of 2026-09-18 Water Supply and Flood Control 98.8 908.45 -0.55 374,340 374,269 378,781 8,173
Cedar Creek Water Supply 73.6 316.32 -5.68 474,480 474,381 644,686 27,335
Champion Creekas of 2026-09-18 Water Supply 42.2 2,062.45 -20.55 17,557 17,557 41,580 858
Cherokeeas of 2026-09-18 Water Supply 82.3 277.80 -2.20 37,372 32,990 40,094 3,138
Choke Canyon Water Supply 22.5 191.36 -29.14 148,815 148,814 662,820 10,470
Ciscoas of 2026-09-18 Water Supply 42.9 1,503.24 -19.22 12,456 12,456 29,003 584
Colemanas of 2026-09-18 Water Supply 78.8 1,712.85 -4.65 30,034 30,016 38,075 1,647
Coleto Creek Water Supply 72.8 94.37 -3.63 22,596 22,596 31,040 2,138
Colorado City Water Supply 53.1 2,058.80 -11.40 16,341 16,341 30,758 - n.a. -
Comanche Creek Water Supply 100.0 775.15 0.15 151,748 151,250 151,250 - n.a. -
Conroe Water Supply 94.3 199.79 -1.21 393,928 393,901 417,577 19,240
Corpus Christi Water Supply 85.3 92.03 -1.97 218,584 218,306 256,062 18,582
Crook Water Supply 86.2 474.77 -1.23 7,944 7,929 9,195 1,010
Cypress Springsas of 2026-09-18 Water Supply 90.6 376.02 -1.98 60,495 60,495 66,756 3,095
E V Spence Water Supply 9.5 1,842.44 -55.56 49,314 49,314 517,272 3,271
Eagle Mountain Water Supply and Flood Control 72.2 642.93 -6.17 133,542 133,542 185,087 7,609
Elephant Butte 5as of 2026-09-17 Water Supply and Flood Control 1.5 4,275.92 -129.67 28,543 28,543 1,960,900 2,318
Falcon 2 Water Supply and Flood Control 20.6 260.95 -40.25 451,602 322,245 1,562,367 27,884
Forkas of 2026-09-18 Water Supply 82.4 398.75 -4.25 531,160 499,717 606,088 23,515
Fort Phantom Hillas of 2026-09-18 Water Supply 66.9 1,629.11 -6.79 46,870 46,864 70,030 2,980
Georgetown Water Supply and Flood Control 78.9 784.43 -6.57 30,058 29,995 38,005 1,133
Gibbons Creek Water Supply 88.4 245.79 -1.21 24,448 22,744 25,721 2,303
Grahamas of 2026-09-18 Water Supply 65.6 1,067.96 -7.04 29,731 29,717 45,288 1,920
Granbury Water Supply 86.0 690.30 -2.40 115,295 114,386 132,949 7,297
Granger Water Supply and Flood Control 98.9 503.86 -0.14 51,250 51,250 51,822 4,077
Grapevineas of 2026-09-18 Water Supply and Flood Control 91.4 532.79 -2.21 149,032 149,032 163,064 6,139
Greenbeltas of 2026-09-18 Water Supply 4.7 2,607.31 -56.69 3,240 2,808 59,968 278
Halbertas of 2026-09-18 Water Supply 72.7 364.96 -3.04 4,383 4,383 6,033 508
Hords Creekas of 2026-09-18 Water Supply and Flood Control 46.3 1,888.59 -11.41 3,756 3,753 8,109 274
Houstonas of 2026-09-18 Water Supply 100.0 42.40 0.02 136,349 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-18 Water Supply 94.3 259.23 -0.77 16,683 16,131 17,113 1,258
Hubbard Creekas of 2026-09-18 Water Supply 36.4 1,166.24 -17.07 118,897 114,021 313,298 8,013
Hubert H Mossas of 2026-09-18 Water Supply 90.2 712.76 -2.24 21,797 21,700 24,058 1,025
Inks Water Supply 95.8 887.28 -0.72 13,438 13,155 13,729 791
J B Thomasas of 2026-09-18 Water Supply 20.5 2,226.41 -31.59 41,727 41,054 199,931 3,133
Jacksonvilleas of 2026-09-18 Water Supply 97.0 421.34 -0.66 24,973 24,911 25,670 1,140
Jim Chapmanas of 2026-09-18 Water Supply and Flood Control 71.2 435.54 -4.46 219,982 184,207 258,723 15,343
Joe Poolas of 2026-09-18 Water Supply and Flood Control 90.8 519.84 -2.16 137,177 135,807 149,629 6,138
Kempas of 2026-09-18 Water Supply and Flood Control 67.2 1,137.92 -6.08 165,016 164,890 245,307 8,437
Kickapooas of 2026-09-18 Water Supply 78.7 1,041.64 -3.36 67,926 67,926 86,345 5,100
Lake O' the Pinesas of 2026-09-18 Water Supply and Flood Control 87.0 227.78 -1.92 228,844 228,844 263,005 17,144
Lavon Water Supply and Flood Control 81.3 488.13 -3.87 335,818 332,977 409,757 18,982
Leonas of 2026-09-18 Water Supply 76.4 1,370.88 -4.12 21,487 21,207 27,762 1,435
Lewisvilleas of 2026-09-18 Water Supply and Flood Control 84.9 518.73 -3.27 513,997 478,323 563,228 24,911
Limestone Water Supply 86.9 360.78 -2.22 177,113 177,113 203,780 11,497
Livingston Water Supply 92.5 129.40 -1.60 1,483,025 1,483,025 1,603,504 73,389
Lost Creekas of 2026-09-18 Water Supply 88.2 1,005.66 -3.84 10,538 10,538 11,950 - n.a. -
Lyndon B Johnson Water Supply 98.5 824.73 -0.27 129,885 111,045 112,778 6,406
Mackenzieas of 2026-09-18 Water Supply 10.9 3,018.58 -81.42 5,055 5,055 46,450 236
Marble Falls Water Supply 96.6 736.57 -0.43 7,335 7,335 7,597 605
Martinas of 2026-09-18 Water Supply 81.2 302.95 -3.05 61,463 61,463 75,726 4,399
Medina Water Supply 29.1 1,021.06 -43.14 74,057 74,057 254,823 2,480
Meredith 6as of 2026-09-18 Water Supply 40.7 2,888.94 -47.56 241,830 203,416 500,000 7,349
Millers Creekas of 2026-09-18 Water Supply 58.2 1,327.71 -6.29 16,864 15,581 26,768 1,391
Mineral Wellsas of 2026-09-18 Water Supply 85.7 861.32 -1.68 4,520 4,520 5,273 434
Monticelloas of 2026-09-18 Water Supply 74.5 335.13 -4.87 25,892 25,892 34,740 1,575
Mountain Creekas of 2026-09-18 Water Supply 98.3 456.83 -0.17 22,462 22,462 22,850 2,656
Murvaulas of 2026-09-18 Water Supply 88.3 263.97 -1.33 33,824 33,824 38,285 3,276
Nacogdochesas of 2026-09-18 Water Supply 86.5 276.43 -2.57 34,208 34,206 39,522 1,962
Nasworthyas of 2026-09-18 Water Supply 85.6 1,871.73 -0.98 8,726 8,233 9,615 1,234
Navarro Millsas of 2026-09-18 Water Supply and Flood Control 79.7 422.25 -2.25 39,705 39,704 49,827 4,316
New Terrell Cityas of 2026-09-18 Water Supply 24.9 493.56 -10.44 2,144 2,133 8,583 363
Noconaas of 2026-09-18 Water Supply 71.7 822.65 -4.85 15,686 15,382 21,444 1,148
North Fork Buffalo Creekas of 2026-09-18 Water Supply 72.4 1,045.21 -2.79 11,152 11,152 15,400 1,217
O C Fisher Water Supply and Flood Control 11.1 1,872.54 -35.46 12,836 12,835 115,742 1,128
O H Ivieas of 2026-09-18 Water Supply 42.4 1,529.81 -21.69 234,768 234,768 554,340 - n.a. -
Oak Creekas of 2026-09-18 Water Supply 14.1 1,973.71 -26.29 5,674 5,524 39,210 527
Palestineas of 2026-09-18 Water Supply 90.3 343.41 -1.59 331,695 331,686 367,303 21,690
Palo Duroas of 2026-09-18 Water Supply and Flood Control 0.4 2,826.33 -65.67 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-18 Water Supply 79.9 864.47 -2.53 21,778 21,392 26,766 2,074
Pat Cleburneas of 2026-09-18 Water Supply 85.4 731.02 -2.48 22,218 22,218 26,008 1,493
Pat Mayseas of 2026-09-18 Water Supply and Flood Control 92.4 449.45 -1.55 109,234 105,074 113,683 5,438
Possum Kingdom Water Supply 86.3 994.62 -4.38 464,234 464,234 538,139 15,687
Proctoras of 2026-09-18 Water Supply and Flood Control 61.4 1,156.84 -5.16 33,625 33,625 54,762 3,316
Ray Hubbard Water Supply 84.9 432.18 -3.32 373,121 373,121 439,559 19,458
Ray Robertsas of 2026-09-18 Water Supply and Flood Control 94.5 630.95 -1.55 745,293 744,970 788,167 27,401
Red Bluff Water Supply 44.5 2,814.34 -13.76 64,575 64,575 145,165 4,446
Richland-Chambers Water Supply 90.5 312.56 -2.44 1,020,527 994,744 1,099,417 41,924
Sam Rayburnas of 2026-09-18 Water Supply and Flood Control 65.9 154.62 -9.78 1,902,473 1,883,517 2,857,077 85,082
Somerville Water Supply and Flood Control 91.7 236.86 -1.14 137,769 137,769 150,293 10,732
Stamfordas of 2026-09-18 Water Supply 63.9 1,412.79 -4.01 32,960 32,957 51,570 3,659
Stillhouse Hollow Water Supply and Flood Control 97.3 621.04 -0.96 223,776 223,690 229,796 6,291
Strikeras of 2026-09-18 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-18 Water Supply 86.6 457.61 -1.34 15,373 15,373 17,747 - n.a. -
Sweetwateras of 2026-09-18 Water Supply 17.1 2,090.73 -25.77 2,092 2,092 12,267 206
Tawakonias of 2026-09-18 Water Supply 92.1 435.59 -1.91 802,890 802,882 871,685 35,190
Texana Water Supply 84.7 41.51 -2.49 139,875 134,662 158,975 9,224
Texoma 7 Water Supply and Flood Control 95.6 615.52 -1.48 2,378,720 1,189,360 1,243,801 71,782
Toledo Bend 8 Water Supply 86.8 168.42 -3.58 3,886,905 1,941,402 2,236,450 165,387
Travis Water Supply and Flood Control 91.4 675.89 -5.11 1,020,773 1,003,741 1,098,044 17,872
Twin Buttes Water Supply and Flood Control 5.3 1,896.04 -44.16 13,475 9,726 182,454 1,113
Tyleras of 2026-09-18 Water Supply 87.7 373.41 -1.97 68,406 63,195 72,073 4,319
Wacoas of 2026-09-18 Water Supply and Flood Control 87.6 459.35 -2.87 165,629 165,403 188,891 7,895
Waxahachieas of 2026-09-18 Water Supply 77.4 527.43 -4.07 9,139 8,557 11,060 565
Weatherfordas of 2026-09-18 Water Supply 56.1 887.90 -8.10 10,001 10,001 17,812 860
White Riveras of 2026-09-18 Water Supply 21.3 2,349.09 -23.11 6,779 6,779 31,846 668
Whitneyas of 2026-09-18 Water Supply and Flood Control 91.5 530.83 -2.17 517,918 516,564 564,808 21,282
Worthas of 2026-09-18 Water Supply 66.6 591.51 -2.49 25,335 16,259 24,419 3,108
Wright Patmanas of 2026-09-18 Water Supply and Flood Control 100.0 225.58 4.98 248,758 122,593 122,593 - 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.