Texas Reservoirs: Monitored Water Supply Reservoirs are 72.3% full on 2026-09-21

Static map

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-09-21 72.3 26,954,922 22,818,710 31,547,473
Yesterday 2026-09-20 72.4 26,963,683 22,827,535 31,549,300
2 days ago 2026-09-19 72.5 26,748,561 22,869,223 31,551,133
1 week ago 2026-09-14 73.1 26,962,529 23,064,195 31,558,535
1 month ago 2026-08-21 75.7 27,913,838 23,884,701 31,558,535
3 months ago 2026-06-21 77.3 29,085,666 24,382,254 31,558,535
6 months ago 2026-03-21 74.0 27,165,760 23,338,525 31,531,332
1 year ago 2025-09-21 76.1 27,914,162 24,023,041 31,547,473
*

 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 2026-09-20 Water Supply 8.4 1,991.90 -20.40 661 661 7,900 141
Addicks 1as of 2026-09-20 Flood Control - n.a. - 76.42 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-20 Water Supply 71.7 2,208.82 -11.18 68,977 68,977 96,207 2,136
Amistad 2 Water Supply and Flood Control 38.8 1,056.33 -60.67 770,506 702,807 1,813,408 20,641
Amon G Carteras of 2026-09-20 Water Supply 74.9 916.37 -3.63 15,210 14,426 19,266 1,228
Aquillaas of 2026-09-20 Water Supply and Flood Control 84.3 535.18 -2.32 36,479 36,443 43,243 2,746
Arlingtonas of 2026-09-20 Water Supply 69.2 543.33 -6.67 27,836 27,804 40,157 1,781
Arrowheadas of 2026-09-20 Water Supply 70.5 920.84 -5.16 162,376 162,376 230,359 11,844
Athensas of 2026-09-20 Water Supply 92.4 438.75 -1.25 27,314 27,273 29,503 1,668
Austin Water Supply 98.3 492.54 -0.26 24,172 23,563 23,972 1,565
B A Steinhagen Water Supply 96.8 82.78 -0.22 67,031 66,958 69,186 10,032
Bardwellas of 2026-09-20 Water Supply and Flood Control 87.0 419.21 -1.79 38,231 38,170 43,856 3,062
Barker 3 Flood Control - n.a. - 69.52 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 95.8 592.50 -1.50 414,259 414,259 432,631 12,051
Benbrook Water Supply and Flood Control 72.7 686.97 -7.03 62,288 62,288 85,648 3,006
Bob Sandlin Water Supply 89.6 335.18 -2.32 183,053 172,322 192,417 8,435
Bois d'Arcas of 2026-09-20 Water Supply 90.4 531.80 -2.20 332,176 332,176 367,609 15,567
Bonham Water Supply 79.5 562.74 -2.26 8,778 8,766 11,027 948
Brady Creekas of 2026-09-20 Water Supply 84.7 1,740.67 -2.33 26,017 24,395 28,808 1,821
Bridgeport Water Supply and Flood Control 74.4 827.61 -8.39 277,048 277,048 372,183 10,394
Brownwoodas of 2026-09-20 Water Supply 83.0 1,421.45 -3.15 108,636 108,636 130,868 6,084
Buchanan Water Supply 96.2 1,018.51 -1.49 847,141 833,479 866,694 22,147
Caddo 4as of 2026-09-20 Water Supply 100.0 176.23 7.73 401,361 29,898 29,898 43,889
Canyonas of 2026-09-20 Water Supply and Flood Control 98.6 908.37 -0.63 373,686 373,615 378,781 8,164
Cedar Creek Water Supply 73.2 316.23 -5.77 472,026 471,927 644,686 27,235
Champion Creek Water Supply 42.2 2,062.42 -20.58 17,528 17,528 41,580 857
Cherokeeas of 2026-09-20 Water Supply 81.7 277.73 -2.27 37,153 32,771 40,094 3,125
Choke Canyon Water Supply 22.4 191.33 -29.17 148,501 148,500 662,820 10,457
Ciscoas of 2026-09-20 Water Supply 42.8 1,503.19 -19.27 12,427 12,427 29,003 583
Colemanas of 2026-09-20 Water Supply 78.7 1,712.82 -4.68 29,985 29,967 38,075 1,646
Coleto Creek Water Supply 72.4 94.32 -3.68 22,488 22,488 31,040 2,131
Colorado City Water Supply 53.1 2,058.78 -11.42 16,320 16,320 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 94.1 199.75 -1.25 393,159 393,132 417,577 19,218
Corpus Christi Water Supply 84.7 91.96 -2.04 217,285 217,007 256,062 18,540
Crook Water Supply 85.9 474.74 -1.26 7,914 7,899 9,195 1,009
Cypress Springsas of 2026-09-20 Water Supply 90.4 375.97 -2.03 60,340 60,340 66,756 3,091
E V Spence Water Supply 9.5 1,842.39 -55.61 49,151 49,151 517,272 3,264
Eagle Mountainas of 2026-09-20 Water Supply and Flood Control 71.9 642.86 -6.24 133,010 133,010 185,087 7,593
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 20.4 260.78 -40.42 446,791 318,811 1,562,367 27,683
Forkas of 2026-09-20 Water Supply 82.2 398.68 -4.32 529,515 498,072 606,088 23,479
Fort Phantom Hillas of 2026-09-20 Water Supply 66.6 1,629.04 -6.86 46,661 46,655 70,030 2,973
Georgetown Water Supply and Flood Control 78.5 784.29 -6.71 29,899 29,836 38,005 1,129
Gibbons Creek Water Supply 88.1 245.75 -1.25 24,356 22,652 25,721 2,297
Grahamas of 2026-09-20 Water Supply 65.4 1,067.91 -7.09 29,635 29,621 45,288 1,915
Granbury Water Supply 85.5 690.21 -2.49 114,640 113,731 132,949 7,264
Granger Water Supply and Flood Control 98.6 503.82 -0.18 51,087 51,087 51,822 4,067
Grapevineas of 2026-09-20 Water Supply and Flood Control 91.0 532.68 -2.32 148,358 148,358 163,064 6,121
Greenbeltas of 2026-09-20 Water Supply 4.6 2,607.25 -56.75 3,218 2,786 59,968 277
Halbertas of 2026-09-20 Water Supply 72.4 364.93 -3.07 4,368 4,368 6,033 507
Hords Creekas of 2026-09-20 Water Supply and Flood Control 46.1 1,888.55 -11.45 3,745 3,742 8,109 273
Houstonas of 2026-09-20 Water Supply 99.7 42.35 -0.03 135,776 131,975 132,318 11,429
Houston Countyas of 2026-09-20 Water Supply 94.0 259.19 -0.81 16,633 16,081 17,113 1,256
Hubbard Creekas of 2026-09-20 Water Supply 36.2 1,166.18 -17.13 118,418 113,542 313,298 7,992
Hubert H Mossas of 2026-09-20 Water Supply 89.9 712.70 -2.30 21,735 21,638 24,058 1,024
Inks Water Supply 95.9 887.29 -0.71 13,446 13,163 13,729 792
J B Thomasas of 2026-09-20 Water Supply 20.5 2,226.36 -31.64 41,570 40,897 199,931 3,128
Jacksonvilleas of 2026-09-20 Water Supply 96.8 421.29 -0.71 24,916 24,854 25,670 1,138
Jim Chapmanas of 2026-09-20 Water Supply and Flood Control 70.7 435.45 -4.55 218,604 182,829 258,723 15,278
Joe Pool Water Supply and Flood Control 90.7 519.82 -2.18 137,054 135,684 149,629 6,134
Kempas of 2026-09-20 Water Supply and Flood Control 66.2 1,137.61 -6.39 162,433 162,307 245,307 8,262
Kickapooas of 2026-09-20 Water Supply 78.4 1,041.59 -3.41 67,671 67,671 86,345 5,089
Lake O' the Pinesas of 2026-09-20 Water Supply and Flood Control 87.9 227.73 -1.77 227,988 227,988 259,331 17,110
Lavon Water Supply and Flood Control 80.6 487.98 -4.02 332,977 330,136 409,757 18,899
Leonas of 2026-09-20 Water Supply 76.1 1,370.83 -4.17 21,415 21,135 27,762 1,432
Lewisvilleas of 2026-09-20 Water Supply and Flood Control 84.4 518.61 -3.39 511,012 475,338 563,228 24,822
Limestone Water Supply 86.6 360.72 -2.28 176,424 176,424 203,780 11,469
Livingston Water Supply 92.0 129.30 -1.70 1,475,696 1,475,696 1,603,504 73,188
Lost Creekas of 2026-09-20 Water Supply 88.0 1,005.60 -3.90 10,518 10,518 11,950 - n.a. -
Lyndon B Johnson Water Supply 98.9 824.80 -0.20 130,333 111,493 112,778 6,413
Mackenzieas of 2026-09-20 Water Supply 10.9 3,018.53 -81.47 5,048 5,048 46,450 235
Marble Falls Water Supply 98.1 736.76 -0.24 7,451 7,451 7,597 609
Martinas of 2026-09-20 Water Supply 80.8 302.88 -3.12 61,155 61,155 75,726 4,386
Medina Water Supply 29.0 1,020.96 -43.24 73,809 73,809 254,823 2,473
Meredith 6as of 2026-09-20 Water Supply 40.6 2,888.86 -47.64 241,243 202,829 500,000 7,337
Millers Creekas of 2026-09-20 Water Supply 57.9 1,327.66 -6.34 16,794 15,511 26,768 1,386
Mineral Wellsas of 2026-09-20 Water Supply 85.3 861.27 -1.73 4,498 4,498 5,273 433
Monticelloas of 2026-09-20 Water Supply 74.3 335.08 -4.92 25,814 25,814 34,740 1,571
Mountain Creekas of 2026-09-20 Water Supply 97.9 456.79 -0.21 22,370 22,370 22,850 2,647
Murvaul Water Supply 87.8 263.91 -1.39 33,628 33,628 38,285 3,269
Nacogdochesas of 2026-09-20 Water Supply 86.3 276.37 -2.63 34,090 34,088 39,522 1,957
Nasworthyas of 2026-09-20 Water Supply 85.9 1,871.75 -0.96 8,750 8,257 9,615 1,236
Navarro Mills Water Supply and Flood Control 79.1 422.18 -2.32 39,403 39,402 49,827 4,306
New Terrell Cityas of 2026-09-20 Water Supply 24.6 493.51 -10.49 2,126 2,115 8,583 362
Noconaas of 2026-09-20 Water Supply 71.4 822.59 -4.91 15,618 15,314 21,444 1,145
North Fork Buffalo Creekas of 2026-09-20 Water Supply 72.1 1,045.17 -2.83 11,098 11,098 15,400 1,213
O C Fisher Water Supply and Flood Control 11.1 1,872.51 -35.49 12,802 12,801 115,742 1,125
O H Ivieas of 2026-09-20 Water Supply 42.2 1,529.75 -21.75 234,138 234,138 554,340 - n.a. -
Oak Creekas of 2026-09-20 Water Supply 14.0 1,973.67 -26.33 5,651 5,501 39,210 526
Palestineas of 2026-09-20 Water Supply 89.9 343.34 -1.66 330,179 330,170 367,303 21,627
Palo Duroas of 2026-09-20 Water Supply and Flood Control 0.4 2,826.31 -65.69 230 230 61,066 - n.a. -
Palo Pintoas of 2026-09-20 Water Supply 79.8 864.45 -2.55 21,736 21,350 26,766 2,073
Pat Cleburne Water Supply 85.8 731.08 -2.42 22,308 22,308 26,008 1,494
Pat Mayseas of 2026-09-20 Water Supply and Flood Control 92.1 449.38 -1.62 108,853 104,693 113,683 5,394
Possum Kingdom Water Supply 86.1 994.55 -4.45 463,138 463,138 538,139 15,646
Proctoras of 2026-09-20 Water Supply and Flood Control 60.7 1,156.73 -5.27 33,263 33,263 54,762 3,248
Ray Hubbard Water Supply 84.4 432.08 -3.42 371,176 371,176 439,559 19,425
Ray Robertsas of 2026-09-20 Water Supply and Flood Control 94.3 630.89 -1.61 743,650 743,327 788,167 27,367
Red Bluff Water Supply 44.5 2,814.34 -13.76 64,575 64,575 145,165 4,446
Richland-Chambers Water Supply 90.1 312.46 -2.54 1,016,338 990,555 1,099,417 41,844
Sam Rayburnas of 2026-09-20 Water Supply and Flood Control 65.7 154.53 -9.87 1,894,826 1,875,870 2,857,077 84,853
Somerville Water Supply and Flood Control 91.4 236.82 -1.18 137,340 137,340 150,293 10,717
Stamfordas of 2026-09-20 Water Supply 63.6 1,412.74 -4.06 32,778 32,775 51,570 3,641
Stillhouse Hollow Water Supply and Flood Control 97.1 620.94 -1.06 223,148 223,062 229,796 6,277
Strikeras of 2026-09-20 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-20 Water Supply 86.0 457.54 -1.41 15,258 15,258 17,747 - n.a. -
Sweetwateras of 2026-09-20 Water Supply 17.0 2,090.68 -25.82 2,081 2,081 12,267 206
Tawakonias of 2026-09-20 Water Supply 91.7 435.50 -2.00 799,725 799,717 871,685 35,122
Texana Water Supply 84.5 41.47 -2.53 139,507 134,294 158,975 9,203
Texoma 7 Water Supply and Flood Control 95.2 615.39 -1.61 2,369,401 1,184,700 1,243,801 71,482
Toledo Bend 8 Water Supply 86.9 168.44 -3.56 3,890,227 1,943,064 2,236,450 165,477
Travis Water Supply and Flood Control 90.9 675.60 -5.40 1,015,600 998,568 1,098,044 17,806
Twin Buttes Water Supply and Flood Control 5.3 1,895.92 -44.28 13,344 9,595 182,454 1,106
Tyleras of 2026-09-20 Water Supply 87.3 373.35 -2.03 68,147 62,936 72,073 4,308
Wacoas of 2026-09-20 Water Supply and Flood Control 87.2 459.26 -2.96 164,919 164,693 188,891 7,874
Waxahachieas of 2026-09-20 Water Supply 76.7 527.30 -4.20 9,066 8,484 11,060 561
Weatherfordas of 2026-09-20 Water Supply 56.2 887.92 -8.08 10,019 10,019 17,812 861
White Riveras of 2026-09-20 Water Supply 21.2 2,349.07 -23.13 6,766 6,766 31,846 667
Whitneyas of 2026-09-20 Water Supply and Flood Control 91.0 530.72 -2.28 515,583 514,229 564,808 21,180
Worthas of 2026-09-20 Water Supply 66.8 591.53 -2.47 25,397 16,321 24,419 3,112
Wright Patmanas of 2026-09-20 Water Supply and Flood Control 100.0 225.54 4.94 247,551 122,593 122,593 - 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.