Texas Reservoirs: Monitored Water Supply Reservoirs are 74.2% full on 2026-04-20

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Most recent 2026-04-20 74.2 27,251,465 23,398,415 31,531,332
1 day prior 2026-04-19 74.3 27,283,293 23,412,329 31,531,332
2 days prior 2026-04-18 74.3 27,299,120 23,416,059 31,531,332
1 week prior 2026-04-13 74.2 27,270,858 23,383,724 31,531,332
1 month prior 2026-03-20 74.0 27,163,097 23,340,319 31,531,332
3 months prior 2026-01-20 73.0 26,764,673 23,020,798 31,531,332
6 months prior 2025-10-20 74.0 27,124,884 23,329,136 31,531,332
1 year prior 2025-04-20 75.8 28,729,082 23,892,035 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 3.8 1,988.59 -23.71 297 297 7,900 93
Addicks 1as of 2026-04-20 Flood Control - n.a. - 79.68 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-04-20 Water Supply 81.9 2,213.19 -6.81 78,759 78,759 96,207 2,347
Amistad 2as of 2026-04-13 Water Supply and Flood Control 30.9 1,047.74 -69.26 611,683 559,874 1,813,408 16,522
Amon G Carteras of 2026-04-20 Water Supply 85.2 917.97 -2.03 17,201 16,417 19,266 1,337
Aquillaas of 2026-04-20 Water Supply and Flood Control 94.0 536.65 -0.85 40,699 40,663 43,243 2,986
Arlingtonas of 2026-04-20 Water Supply 93.7 548.67 -1.33 37,654 37,622 40,157 1,890
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 100.0 440.25 0.25 30,011 29,503 29,503 - n.a. -
Austinas of 2026-04-13 Water Supply 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
B A Steinhagenas of 2026-04-20 Water Supply 95.2 82.67 -0.33 65,933 65,860 69,186 9,931
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 3as of 2026-04-20 Flood Control - n.a. - 80.29 - 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 85.1 690.35 -3.65 72,926 72,926 85,648 3,311
Bob Sandlinas of 2026-04-20 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 89.6 531.62 -2.38 329,216 329,216 367,609 15,483
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
Buchananas of 2026-04-13 Water Supply 94.8 1,017.98 -2.02 835,428 821,766 866,694 22,054
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 58.4 886.35 -22.65 221,102 221,031 378,781 5,782
Cedar Creekas of 2026-04-20 Water Supply 83.9 318.66 -3.34 541,124 541,025 644,686 29,549
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 1,714.85 -2.65 33,404 33,386 38,075 1,729
Coleto Creekas of 2026-04-20 Water Supply 74.5 94.61 -3.39 23,114 23,114 31,040 2,173
Colorado Cityas of 2026-04-20 Water Supply 52.9 2,058.72 -11.48 16,256 16,256 30,758 - n.a. -
Comanche Creekas of 2026-04-20 Water Supply 100.0 775.43 0.43 152,638 151,250 151,250 - n.a. -
Conroeas of 2026-04-20 Water Supply 94.8 199.90 -1.10 396,048 396,021 417,577 19,300
Corpus Christias of 2026-04-20 Water Supply 8.6 74.87 -19.13 22,303 22,025 256,062 4,721
Crookas of 2026-04-20 Water Supply 98.2 475.84 -0.16 9,043 9,028 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 Spenceas of 2026-04-20 Water Supply 11.5 1,845.39 -52.61 59,638 59,638 517,272 3,789
Eagle Mountainas of 2026-04-20 Water Supply and Flood Control 90.1 647.05 -2.05 166,825 166,825 185,087 8,587
Elephant Butte 5as of 2026-04-13 Water Supply and Flood Control 12.8 4,319.23 -86.36 251,465 251,465 1,960,900 8,846
Falcon 2as of 2026-04-13 Water Supply and Flood Control 19.6 257.31 -43.89 358,403 305,943 1,562,367 23,334
Forkas of 2026-04-20 Water Supply 88.1 400.18 -2.82 565,316 533,873 606,088 24,327
Fort Phantom Hillas of 2026-04-20 Water Supply 74.9 1,630.93 -4.97 52,464 52,458 70,030 3,171
Georgetownas of 2026-04-20 Water Supply and Flood Control 77.5 783.95 -7.05 29,517 29,454 38,005 1,121
Gibbons Creekas of 2026-04-20 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
Granburyas of 2026-04-20 Water Supply 99.5 692.62 -0.08 133,206 132,297 132,949 8,143
Grangeras of 2026-04-20 Water Supply and Flood Control 100.0 504.55 0.55 54,113 51,822 51,822 - n.a. -
Grapevineas of 2026-04-20 Water Supply and Flood Control 100.0 536.16 1.16 170,881 163,064 163,064 - n.a. -
Greenbeltas of 2026-04-20 Water Supply 7.0 2,611.46 -52.54 4,609 4,177 59,968 348
Halbertas of 2026-04-20 Water Supply 75.4 365.28 -2.72 4,547 4,547 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 100.0 260.21 0.21 17,938 17,113 17,113 - n.a. -
Hubbard Creekas of 2026-04-20 Water Supply 45.6 1,169.58 -13.73 147,855 142,979 313,298 9,377
Hubert H Mossas of 2026-04-20 Water Supply 90.9 712.93 -2.07 21,972 21,875 24,058 1,029
Inksas of 2026-04-13 Water Supply 94.6 887.07 -0.93 13,273 12,990 13,729 780
J B Thomasas of 2026-04-20 Water Supply 26.7 2,230.13 -27.87 54,035 53,362 199,931 3,507
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 96.0 1,143.35 -0.65 235,591 235,465 245,307 14,984
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. -
Limestoneas of 2026-04-20 Water Supply 84.2 360.30 -2.70 171,645 171,645 203,780 11,294
Livingstonas of 2026-04-20 Water Supply 100.0 131.09 0.09 1,610,517 1,603,504 1,603,504 78,122
Lost Creekas of 2026-04-20 Water Supply 95.0 1,008.07 -1.43 11,350 11,350 11,950 - n.a. -
Lyndon B Johnsonas of 2026-04-13 Water Supply 97.4 824.55 -0.45 128,733 109,893 112,778 6,390
Mackenzieas of 2026-04-20 Water Supply 12.1 3,021.05 -78.95 5,616 5,616 46,450 252
Marble Fallsas of 2026-04-13 Water Supply 94.9 736.36 -0.64 7,209 7,209 7,597 601
Martinas of 2026-04-20 Water Supply 94.8 305.19 -0.81 71,773 71,773 75,726 4,807
Medinaas of 2026-04-20 Water Supply 3.8 976.66 -87.54 9,755 9,755 254,823 718
Meredith 6as of 2026-04-20 Water Supply 45.3 2,891.77 -44.73 264,921 226,507 500,000 8,693
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 80.5 336.39 -3.61 27,958 27,958 34,740 1,674
Mountain Creekas of 2026-04-20 Water Supply 100.0 457.61 0.61 24,443 22,850 22,850 2,859
Murvaulas of 2026-04-20 Water Supply 100.0 265.30 0.00 38,285 38,285 38,285 3,507
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 96.3 424.10 -0.40 47,961 47,960 49,827 4,623
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 86.0 825.19 -2.31 18,748 18,444 21,444 1,257
North Fork Buffalo Creekas of 2026-04-20 Water Supply 90.3 1,047.05 -0.95 13,903 13,903 15,400 1,410
O C Fisheras of 2026-04-20 Water Supply and Flood Control 14.3 1,875.53 -32.47 16,529 16,528 115,742 1,330
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 1,976.61 -23.39 7,353 7,203 39,210 644
Palestineas of 2026-04-20 Water Supply 100.0 345.00 0.00 367,312 367,303 367,303 23,112
Palo Duroas of 2026-04-20 Water Supply and Flood Control 0.4 2,826.21 -65.79 223 223 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 2026-04-13 Water Supply and Flood Control 90.9 449.13 -1.87 107,510 103,350 113,683 5,352
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 76.0 1,158.98 -3.02 41,607 41,607 54,762 4,011
Ray Hubbardas of 2026-04-20 Water Supply 99.9 435.48 -0.02 439,141 439,141 439,559 20,922
Ray Robertsas of 2026-04-20 Water Supply and Flood Control 100.0 632.75 0.25 795,601 788,167 788,167 - n.a. -
Red Bluffas of 2026-04-20 Water Supply 55.0 2,817.54 -10.56 79,784 79,784 145,165 5,085
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
Somervilleas of 2026-04-20 Water Supply and Flood Control 73.7 234.22 -3.78 110,717 110,717 150,293 9,702
Stamfordas of 2026-04-20 Water Supply 75.9 1,414.36 -2.44 39,128 39,125 51,570 4,186
Stillhouse Hollowas of 2026-04-20 Water Supply and Flood Control 96.0 620.55 -1.45 220,709 220,623 229,796 6,227
Strikeras of 2026-04-20 Water Supply 98.8 292.90 -0.10 21,604 16,682 16,878 1,946
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
Texanaas of 2026-04-20 Water Supply 54.7 35.58 -8.42 92,121 86,908 158,975 6,967
Texoma 7as of 2026-04-13 Water Supply and Flood Control 98.7 616.55 -0.45 2,454,089 1,227,044 1,243,801 74,489
Toledo Bend 8as of 2026-04-20 Water Supply 88.9 168.97 -3.03 3,980,028 1,987,964 2,236,450 167,984
Travisas of 2026-04-13 Water Supply and Flood Control 73.0 663.52 -17.48 818,222 801,190 1,098,044 14,933
Twin Buttesas of 2026-04-20 Water Supply and Flood Control 10.4 1,902.99 -37.21 22,678 18,929 182,454 1,570
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 86.7 529.18 -2.32 10,168 9,586 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 100.0 223.40 2.80 187,463 122,593 122,593 - 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.