Texas Reservoirs: Monitored Water Supply Reservoirs are 72.7% full on 2026-09-18

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-18 72.7 26,827,196 22,945,722 31,552,974
Yesterday 2026-09-17 72.8 26,843,028 22,957,310 31,554,821
2 days ago 2026-09-16 72.9 26,919,558 22,989,370 31,556,675
1 week ago 2026-09-11 73.4 27,081,104 23,176,886 31,558,535
1 month ago 2026-08-18 76.1 28,061,577 24,006,288 31,558,535
3 months ago 2026-06-18 77.1 28,985,397 24,328,940 31,558,535
6 months ago 2026-03-18 74.0 27,176,603 23,342,745 31,531,332
1 year ago 2025-09-18 76.4 28,016,557 24,107,645 31,552,974
*

 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 2026-09-17 Water Supply 8.6 1,992.01 -20.29 676 676 7,900 143
Addicks 1as of 2026-09-17 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-17 Water Supply 71.6 2,208.78 -11.22 68,891 68,891 96,207 2,134
Amistad 2 Water Supply and Flood Control 38.9 1,056.39 -60.61 771,572 704,729 1,813,408 20,668
Amon G Carteras of 2026-09-17 Water Supply 75.3 916.44 -3.56 15,291 14,507 19,266 1,233
Aquillaas of 2026-09-17 Water Supply and Flood Control 85.0 535.30 -2.20 36,809 36,773 43,243 2,763
Arlingtonas of 2026-09-17 Water Supply 70.8 543.68 -6.32 28,462 28,430 40,157 1,792
Arrowheadas of 2026-09-17 Water Supply 70.9 920.92 -5.08 163,325 163,325 230,359 11,886
Athensas of 2026-09-17 Water Supply 92.9 438.82 -1.18 27,435 27,394 29,503 1,676
Austin Water Supply 97.5 492.42 -0.38 23,985 23,376 23,972 1,558
B A Steinhagenas of 2026-09-17 Water Supply 98.8 82.92 -0.08 68,444 68,371 69,186 10,161
Bardwellas of 2026-09-17 Water Supply and Flood Control 87.7 419.30 -1.70 38,507 38,446 43,856 3,073
Barker 3 Flood Control - n.a. - 69.56 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 96.1 592.63 -1.37 415,828 415,828 432,631 12,085
Benbrookas of 2026-09-17 Water Supply and Flood Control 73.6 687.23 -6.77 63,072 63,072 85,648 3,025
Bob Sandlin Water Supply 89.9 335.26 -2.24 183,728 172,997 192,417 8,450
Bois d'Arcas of 2026-09-17 Water Supply 90.9 531.91 -2.09 333,986 333,986 367,609 15,619
Bonham Water Supply 79.6 562.75 -2.25 8,787 8,775 11,027 949
Brady Creekas of 2026-09-17 Water Supply 85.0 1,740.72 -2.28 26,103 24,481 28,808 1,826
Bridgeport Water Supply and Flood Control 75.1 827.86 -8.14 279,655 279,655 372,183 10,459
Brownwoodas of 2026-09-17 Water Supply 83.5 1,421.55 -3.05 109,246 109,246 130,868 6,104
Buchanan Water Supply 96.3 1,018.55 -1.45 848,027 834,365 866,694 22,154
Caddo 4as of 2026-09-17 Water Supply 100.0 168.69 0.19 132,745 29,898 29,898 27,154
Canyonas of 2026-09-17 Water Supply and Flood Control 98.9 908.49 -0.51 374,667 374,596 378,781 8,178
Cedar Creek Water Supply 73.8 316.36 -5.64 475,575 475,476 644,686 27,378
Champion Creek Water Supply 42.2 2,062.46 -20.54 17,567 17,567 41,580 858
Cherokeeas of 2026-09-17 Water Supply 82.6 277.84 -2.16 37,498 33,116 40,094 3,146
Choke Canyon Water Supply 22.5 191.37 -29.13 148,920 148,919 662,820 10,474
Ciscoas of 2026-09-17 Water Supply 43.0 1,503.27 -19.19 12,474 12,474 29,003 584
Colemanas of 2026-09-17 Water Supply 78.9 1,712.87 -4.63 30,067 30,049 38,075 1,648
Coleto Creek Water Supply 72.7 94.36 -3.64 22,575 22,575 31,040 2,137
Colorado City Water Supply 53.2 2,058.81 -11.39 16,352 16,352 30,758 - n.a. -
Comanche Creek Water Supply 100.0 775.14 0.14 151,716 151,250 151,250 - n.a. -
Conroeas of 2026-09-17 Water Supply 94.5 199.83 -1.17 394,698 394,671 417,577 19,262
Corpus Christi Water Supply 85.1 92.01 -1.99 218,213 217,935 256,062 18,570
Crook Water Supply 86.4 474.79 -1.21 7,964 7,949 9,195 1,010
Cypress Springsas of 2026-09-17 Water Supply 90.7 376.04 -1.96 60,557 60,557 66,756 3,096
E V Spence Water Supply 9.5 1,842.46 -55.54 49,379 49,379 517,272 3,274
Eagle Mountainas of 2026-09-17 Water Supply and Flood Control 72.5 643.02 -6.08 134,228 134,228 185,087 7,631
Elephant Butte 5as of 2026-09-15 Water Supply and Flood Control 1.4 4,275.66 -129.93 27,942 27,942 1,960,900 2,301
Falcon 2 Water Supply and Flood Control 20.8 261.00 -40.20 453,221 324,579 1,562,367 27,948
Forkas of 2026-09-17 Water Supply 82.5 398.77 -4.23 531,630 500,187 606,088 23,525
Fort Phantom Hillas of 2026-09-17 Water Supply 67.0 1,629.14 -6.76 46,959 46,953 70,030 2,983
Georgetown Water Supply and Flood Control 79.2 784.51 -6.49 30,148 30,085 38,005 1,135
Gibbons Creek Water Supply 88.6 245.81 -1.19 24,494 22,790 25,721 2,307
Grahamas of 2026-09-17 Water Supply 65.7 1,067.99 -7.01 29,788 29,774 45,288 1,923
Granbury Water Supply 86.2 690.33 -2.37 115,515 114,606 132,949 7,308
Granger Water Supply and Flood Control 99.1 503.89 -0.11 51,372 51,372 51,822 4,084
Grapevineas of 2026-09-17 Water Supply and Flood Control 91.5 532.83 -2.17 149,278 149,278 163,064 6,145
Greenbeltas of 2026-09-17 Water Supply 4.7 2,607.34 -56.66 3,251 2,819 59,968 278
Halbertas of 2026-09-17 Water Supply 72.7 364.97 -3.03 4,388 4,388 6,033 508
Hords Creekas of 2026-09-17 Water Supply and Flood Control 46.4 1,888.61 -11.39 3,762 3,759 8,109 274
Houstonas of 2026-09-17 Water Supply 100.0 42.42 0.04 136,578 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-17 Water Supply 94.3 259.24 -0.76 16,696 16,144 17,113 1,259
Hubbard Creekas of 2026-09-17 Water Supply 36.5 1,166.27 -17.04 119,138 114,262 313,298 8,024
Hubert H Mossas of 2026-09-17 Water Supply 90.3 712.78 -2.22 21,817 21,720 24,058 1,026
Inks Water Supply 95.6 887.24 -0.76 13,407 13,124 13,729 791
J B Thomasas of 2026-09-17 Water Supply 20.6 2,226.45 -31.55 41,852 41,179 199,931 3,137
Jacksonvilleas of 2026-09-17 Water Supply 97.1 421.35 -0.65 24,984 24,922 25,670 1,140
Jim Chapmanas of 2026-09-17 Water Supply and Flood Control 71.4 435.58 -4.42 220,597 184,822 258,723 15,369
Joe Poolas of 2026-09-17 Water Supply and Flood Control 90.9 519.87 -2.13 137,361 135,991 149,629 6,144
Kempas of 2026-09-17 Water Supply and Flood Control 67.7 1,138.06 -5.94 166,208 166,082 245,307 8,637
Kickapooas of 2026-09-17 Water Supply 78.8 1,041.66 -3.34 68,028 68,028 86,345 5,105
Lake O' the Pinesas of 2026-09-17 Water Supply and Flood Control 86.5 227.80 -2.00 229,186 229,186 264,852 17,157
Lavon Water Supply and Flood Control 81.5 488.19 -3.81 336,958 334,117 409,757 19,014
Leonas of 2026-09-17 Water Supply 76.5 1,370.90 -4.10 21,516 21,236 27,762 1,436
Lewisvilleas of 2026-09-17 Water Supply and Flood Control 85.1 518.78 -3.22 515,243 479,569 563,228 24,948
Limestone Water Supply 87.3 360.84 -2.16 177,804 177,804 203,780 11,527
Livingston Water Supply 92.7 129.44 -1.56 1,485,962 1,485,962 1,603,504 73,470
Lost Creekas of 2026-09-17 Water Supply 88.3 1,005.69 -3.81 10,548 10,548 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 2026-09-17 Water Supply 10.9 3,018.62 -81.38 5,061 5,061 46,450 236
Marble Falls Water Supply 96.9 736.61 -0.39 7,360 7,360 7,597 606
Martinas of 2026-09-17 Water Supply 81.4 302.99 -3.01 61,639 61,639 75,726 4,406
Medina Water Supply 29.1 1,021.09 -43.11 74,132 74,132 254,823 2,482
Meredith 6as of 2026-09-17 Water Supply 40.7 2,888.96 -47.54 241,977 203,563 500,000 7,352
Millers Creekas of 2026-09-17 Water Supply 58.3 1,327.73 -6.27 16,892 15,609 26,768 1,393
Mineral Wellsas of 2026-09-17 Water Supply 86.0 861.35 -1.65 4,533 4,533 5,273 434
Monticelloas of 2026-09-17 Water Supply 74.6 335.15 -4.85 25,924 25,924 34,740 1,576
Mountain Creekas of 2026-09-17 Water Supply 98.4 456.84 -0.16 22,485 22,485 22,850 2,659
Murvaulas of 2026-09-17 Water Supply 88.5 263.99 -1.31 33,890 33,890 38,285 3,278
Nacogdochesas of 2026-09-17 Water Supply 86.7 276.46 -2.54 34,267 34,265 39,522 1,964
Nasworthyas of 2026-09-17 Water Supply 85.5 1,871.72 -0.99 8,713 8,220 9,615 1,234
Navarro Mills Water Supply and Flood Control 79.8 422.26 -2.24 39,748 39,747 49,827 4,318
New Terrell Cityas of 2026-09-17 Water Supply 24.9 493.58 -10.42 2,152 2,141 8,583 364
Noconaas of 2026-09-17 Water Supply 71.9 822.68 -4.82 15,721 15,417 21,444 1,150
North Fork Buffalo Creekas of 2026-09-17 Water Supply 72.8 1,045.25 -2.75 11,206 11,206 15,400 1,221
O C Fisher Water Supply and Flood Control 11.1 1,872.57 -35.43 12,870 12,869 115,742 1,132
O H Ivieas of 2026-09-17 Water Supply 42.4 1,529.84 -21.66 235,083 235,083 554,340 - n.a. -
Oak Creekas of 2026-09-17 Water Supply 14.1 1,973.73 -26.27 5,685 5,535 39,210 528
Palestineas of 2026-09-17 Water Supply 90.5 343.44 -1.56 332,346 332,337 367,303 21,717
Palo Duroas of 2026-09-17 Water Supply and Flood Control 0.4 2,826.32 -65.68 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-17 Water Supply 80.0 864.48 -2.52 21,798 21,412 26,766 2,074
Pat Cleburne Water Supply 85.5 731.03 -2.47 22,233 22,233 26,008 1,493
Pat Mayseas of 2026-09-17 Water Supply and Flood Control 92.6 449.48 -1.52 109,398 105,238 113,683 5,463
Possum Kingdom Water Supply 86.4 994.66 -4.34 464,863 464,863 538,139 15,712
Proctoras of 2026-09-17 Water Supply and Flood Control 61.7 1,156.89 -5.11 33,791 33,791 54,762 3,347
Ray Hubbard Water Supply 85.2 432.24 -3.26 374,289 374,289 439,559 19,477
Ray Robertsas of 2026-09-17 Water Supply and Flood Control 94.6 630.97 -1.53 745,841 745,518 788,167 27,413
Red Bluff Water Supply 44.5 2,814.34 -13.76 64,575 64,575 145,165 4,446
Richland-Chambers Water Supply 90.5 312.57 -2.43 1,020,946 995,163 1,099,417 41,932
Sam Rayburnas of 2026-09-17 Water Supply and Flood Control 66.1 154.67 -9.73 1,906,730 1,887,774 2,857,077 85,213
Somerville Water Supply and Flood Control 91.8 236.88 -1.12 137,983 137,983 150,293 10,740
Stamfordas of 2026-09-17 Water Supply 64.0 1,412.81 -3.99 33,032 33,029 51,570 3,666
Stillhouse Hollow Water Supply and Flood Control 97.5 621.09 -0.91 224,091 224,005 229,796 6,298
Strikeras of 2026-09-17 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-17 Water Supply 86.9 457.64 -1.31 15,423 15,423 17,747 - n.a. -
Sweetwateras of 2026-09-17 Water Supply 17.1 2,090.75 -25.75 2,096 2,096 12,267 206
Tawakonias of 2026-09-17 Water Supply 92.2 435.62 -1.88 803,946 803,938 871,685 35,213
Texana Water Supply 85.0 41.56 -2.44 140,337 135,124 158,975 9,248
Texoma 7 Water Supply and Flood Control 95.9 615.61 -1.39 2,385,171 1,192,585 1,243,801 71,989
Toledo Bend 8 Water Supply 87.1 168.49 -3.51 3,898,531 1,947,216 2,236,450 165,704
Travis Water Supply and Flood Control 91.7 676.05 -4.95 1,023,636 1,006,604 1,098,044 17,908
Twin Buttes Water Supply and Flood Control 5.4 1,896.11 -44.09 13,555 9,806 182,454 1,118
Tyleras of 2026-09-17 Water Supply 87.9 373.44 -1.94 68,535 63,324 72,073 4,324
Wacoas of 2026-09-17 Water Supply and Flood Control 87.7 459.39 -2.83 165,945 165,719 188,891 7,904
Waxahachieas of 2026-09-17 Water Supply 77.7 527.49 -4.01 9,173 8,591 11,060 566
Weatherfordas of 2026-09-17 Water Supply 56.1 887.89 -8.11 9,993 9,993 17,812 860
White Riveras of 2026-09-17 Water Supply 21.3 2,349.11 -23.09 6,793 6,793 31,846 668
Whitneyas of 2026-09-17 Water Supply and Flood Control 91.7 530.90 -2.10 519,410 518,056 564,808 21,345
Worthas of 2026-09-17 Water Supply 66.5 591.50 -2.50 25,304 16,228 24,419 3,106
Wright Patmanas of 2026-09-17 Water Supply and Flood Control 100.0 225.61 5.01 249,666 122,593 122,593 - 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.