Texas Reservoirs: Monitored Water Supply Reservoirs are 73.9% full on 2026-09-08

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-08 73.9 27,248,418 23,320,107 31,558,535
Yesterday 2026-09-07 73.9 27,253,324 23,325,778 31,558,535
2 days ago 2026-09-06 74.0 27,288,735 23,357,507 31,558,535
1 week ago 2026-09-01 74.3 27,402,293 23,460,075 31,558,535
1 month ago 2026-08-08 77.3 28,564,054 24,408,158 31,558,535
3 months ago 2026-06-08 76.4 28,618,290 24,098,868 31,558,535
6 months ago 2026-03-08 73.7 27,039,113 23,249,993 31,531,332
1 year ago 2025-09-08 77.3 28,403,132 24,385,645 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 2026-09-07 Water Supply 9.3 1,992.45 -19.85 736 736 7,900 150
Addicks 1as of 2026-09-07 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-07 Water Supply 72.2 2,209.05 -10.95 69,469 69,469 96,207 2,146
Amistad 2 Water Supply and Flood Control 39.1 1,056.57 -60.43 775,460 709,401 1,813,408 20,764
Amon G Carter Water Supply 76.8 916.69 -3.31 15,584 14,800 19,266 1,249
Aquillaas of 2026-09-07 Water Supply and Flood Control 87.7 535.71 -1.79 37,956 37,920 43,243 2,835
Arlingtonas of 2026-09-07 Water Supply 73.8 544.34 -5.66 29,650 29,618 40,157 1,809
Arrowheadas of 2026-09-07 Water Supply 72.2 921.18 -4.82 166,433 166,433 230,359 12,020
Athensas of 2026-09-07 Water Supply 94.0 439.02 -0.98 27,782 27,741 29,503 1,697
Austin Water Supply 99.2 492.68 -0.12 24,392 23,783 23,972 1,574
B A Steinhagenas of 2026-09-07 Water Supply 96.5 82.76 -0.24 66,831 66,758 69,186 10,014
Bardwellas of 2026-09-07 Water Supply and Flood Control 89.6 419.58 -1.42 39,372 39,311 43,856 3,109
Barker 3as of 2026-09-07 Flood Control - n.a. - 72.21 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 97.2 593.03 -0.97 420,683 420,683 432,631 12,190
Benbrook Water Supply and Flood Control 77.2 688.23 -5.77 66,136 66,136 85,648 3,105
Bob Sandlin Water Supply 90.7 335.45 -2.05 185,337 174,606 192,417 8,487
Bois d'Arcas of 2026-09-07 Water Supply 92.4 532.26 -1.74 339,645 339,645 367,609 15,773
Bonham Water Supply 82.0 563.03 -1.97 9,055 9,043 11,027 962
Brady Creekas of 2026-09-07 Water Supply 86.3 1,740.94 -2.06 26,490 24,868 28,808 1,847
Bridgeport Water Supply and Flood Control 77.0 828.50 -7.50 286,399 286,399 372,183 10,616
Brownwoodas of 2026-09-07 Water Supply 85.2 1,421.92 -2.68 111,518 111,518 130,868 6,180
Buchanan Water Supply 97.0 1,018.85 -1.15 854,681 841,019 866,694 22,210
Caddo 4as of 2026-09-07 Water Supply 78.4 168.06 -0.44 116,102 23,448 29,898 25,633
Canyonas of 2026-09-07 Water Supply and Flood Control 100.0 908.98 -0.02 378,688 378,617 378,781 8,292
Cedar Creek Water Supply 75.4 316.74 -5.26 486,056 485,957 644,686 27,775
Champion Creek Water Supply 42.6 2,062.63 -20.37 17,723 17,723 41,580 862
Cherokeeas of 2026-09-07 Water Supply 85.4 278.19 -1.81 38,611 34,229 40,094 3,218
Choke Canyon Water Supply 23.0 191.69 -28.81 152,291 152,290 662,820 10,601
Ciscoas of 2026-09-07 Water Supply 43.4 1,503.47 -18.99 12,591 12,591 29,003 589
Colemanas of 2026-09-07 Water Supply 80.0 1,713.11 -4.39 30,464 30,446 38,075 1,657
Coleto Creek Water Supply 74.2 94.57 -3.43 23,027 23,027 31,040 2,167
Colorado City Water Supply 53.9 2,059.03 -11.17 16,586 16,586 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 95.2 199.98 -1.02 397,594 397,567 417,577 19,343
Corpus Christi Water Supply 87.5 92.34 -1.66 224,373 224,095 256,062 18,765
Crook Water Supply 87.8 474.91 -1.09 8,086 8,071 9,195 1,014
Cypress Springsas of 2026-09-07 Water Supply 91.6 376.23 -1.77 61,146 61,146 66,756 3,108
E V Spence Water Supply 9.8 1,842.86 -55.14 50,700 50,700 517,272 3,328
Eagle Mountain Water Supply and Flood Control 74.2 643.42 -5.68 137,299 137,299 185,087 7,723
Elephant Butte 5as of 2026-09-07 Water Supply and Flood Control 1.4 4,275.57 -130.02 27,736 27,736 1,960,900 2,295
Falcon 2 Water Supply and Flood Control 21.9 261.84 -39.36 477,194 342,538 1,562,367 28,897
Forkas of 2026-09-07 Water Supply 83.5 399.01 -3.99 537,290 505,847 606,088 23,645
Fort Phantom Hillas of 2026-09-07 Water Supply 68.5 1,629.49 -6.41 48,009 48,003 70,030 3,017
Georgetown Water Supply and Flood Control 82.8 785.71 -5.29 31,530 31,467 38,005 1,167
Gibbons Creek Water Supply 89.9 245.95 -1.05 24,819 23,115 25,721 2,333
Grahamas of 2026-09-07 Water Supply 67.2 1,068.32 -6.68 30,427 30,413 45,288 1,949
Granbury Water Supply 88.0 690.65 -2.05 117,872 116,963 132,949 7,424
Granger Water Supply and Flood Control 100.0 504.07 0.07 52,110 51,822 51,822 - n.a. -
Grapevineas of 2026-09-07 Water Supply and Flood Control 93.2 533.27 -1.73 151,998 151,998 163,064 6,221
Greenbeltas of 2026-09-07 Water Supply 4.9 2,607.60 -56.40 3,348 2,916 59,968 283
Halbertas of 2026-09-07 Water Supply 74.1 365.13 -2.87 4,470 4,470 6,033 512
Hords Creekas of 2026-09-07 Water Supply and Flood Control 47.2 1,888.87 -11.13 3,833 3,830 8,109 277
Houstonas of 2026-09-07 Water Supply 100.0 42.60 0.22 138,648 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-07 Water Supply 95.4 259.38 -0.62 16,872 16,320 17,113 1,265
Hubbard Creekas of 2026-09-07 Water Supply 37.2 1,166.57 -16.74 121,561 116,685 313,298 8,133
Hubert H Mossas of 2026-09-07 Water Supply 91.3 713.02 -1.98 22,064 21,967 24,058 1,031
Inks Water Supply 95.0 887.13 -0.87 13,320 13,037 13,729 784
J B Thomasas of 2026-09-07 Water Supply 21.1 2,226.80 -31.20 42,956 42,283 199,931 3,169
Jacksonvilleas of 2026-09-07 Water Supply 97.9 421.53 -0.47 25,190 25,128 25,670 1,146
Jim Chapmanas of 2026-09-07 Water Supply and Flood Control 74.0 436.00 -4.00 227,113 191,338 258,723 15,664
Joe Pool Water Supply and Flood Control 92.0 520.15 -1.85 139,090 137,720 149,629 6,204
Kempas of 2026-09-07 Water Supply and Flood Control 72.3 1,139.20 -4.80 177,472 177,346 245,307 9,614
Kickapooas of 2026-09-07 Water Supply 80.2 1,041.90 -3.10 69,259 69,259 86,345 5,159
Lake O' the Pinesas of 2026-09-07 Water Supply and Flood Control 86.7 228.02 -1.98 232,978 232,978 268,566 17,305
Lavon Water Supply and Flood Control 84.0 488.71 -3.29 346,914 344,073 409,757 19,270
Leonas of 2026-09-07 Water Supply 78.0 1,371.19 -3.81 21,930 21,650 27,762 1,457
Lewisvilleas of 2026-09-07 Water Supply and Flood Control 87.5 519.30 -2.70 528,311 492,637 563,228 25,311
Limestone Water Supply 89.1 361.16 -1.84 181,525 181,525 203,780 11,753
Livingston Water Supply 94.3 129.80 -1.20 1,512,544 1,512,544 1,603,504 74,213
Lost Creekas of 2026-09-07 Water Supply 89.0 1,005.95 -3.55 10,635 10,635 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 2026-09-07 Water Supply 11.0 3,018.84 -81.16 5,101 5,101 46,450 237
Marble Falls Water Supply 95.7 736.46 -0.54 7,269 7,269 7,597 603
Martinas of 2026-09-07 Water Supply 83.3 303.31 -2.69 63,058 63,058 75,726 4,464
Medina Water Supply 29.6 1,021.56 -42.64 75,306 75,306 254,823 2,514
Meredith 6as of 2026-09-07 Water Supply 41.1 2,889.19 -47.31 243,672 205,258 500,000 7,386
Millers Creekas of 2026-09-07 Water Supply 59.5 1,327.96 -6.04 17,215 15,932 26,768 1,413
Mineral Wellsas of 2026-09-07 Water Supply 87.0 861.47 -1.53 4,585 4,585 5,273 436
Monticelloas of 2026-09-07 Water Supply 75.5 335.35 -4.65 26,240 26,240 34,740 1,590
Mountain Creekas of 2026-09-07 Water Supply 99.4 456.94 -0.06 22,714 22,714 22,850 2,682
Murvaul Water Supply 90.2 264.19 -1.11 34,548 34,548 38,285 3,301
Nacogdochesas of 2026-09-07 Water Supply 88.1 276.75 -2.25 34,839 34,837 39,522 1,985
Nasworthyas of 2026-09-07 Water Supply 86.3 1,871.78 -0.93 8,787 8,294 9,615 1,238
Navarro Millsas of 2026-09-07 Water Supply and Flood Control 82.1 422.53 -1.97 40,919 40,918 49,827 4,359
New Terrell Cityas of 2026-09-07 Water Supply 25.6 493.74 -10.26 2,210 2,199 8,583 369
Noconaas of 2026-09-07 Water Supply 73.3 822.94 -4.56 16,021 15,717 21,444 1,162
North Fork Buffalo Creekas of 2026-09-07 Water Supply 74.8 1,045.48 -2.52 11,521 11,521 15,400 1,244
O C Fisher Water Supply and Flood Control 11.4 1,872.90 -35.10 13,241 13,240 115,742 1,169
O H Ivieas of 2026-09-07 Water Supply 43.2 1,530.23 -21.27 239,258 239,258 554,340 - n.a. -
Oak Creekas of 2026-09-07 Water Supply 14.5 1,974.00 -26.00 5,833 5,683 39,210 539
Palestineas of 2026-09-07 Water Supply 92.0 343.69 -1.31 337,803 337,794 367,303 21,941
Palo Duroas of 2026-09-07 Water Supply and Flood Control 0.4 2,826.33 -65.67 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-07 Water Supply 80.6 864.56 -2.44 21,965 21,579 26,766 2,078
Pat Cleburne Water Supply 87.7 731.41 -2.09 22,802 22,802 26,008 1,504
Pat Mayseas of 2026-09-07 Water Supply and Flood Control 94.2 449.82 -1.18 111,266 107,106 113,683 5,512
Possum Kingdom Water Supply 87.5 995.05 -3.95 471,040 471,040 538,139 15,966
Proctoras of 2026-09-07 Water Supply and Flood Control 65.2 1,157.44 -4.56 35,710 35,710 54,762 3,616
Ray Hubbard Water Supply 87.4 432.74 -2.76 384,063 384,063 439,559 19,622
Ray Robertsas of 2026-09-07 Water Supply and Flood Control 95.5 631.23 -1.27 752,988 752,665 788,167 27,564
Red Bluff Water Supply 44.9 2,814.48 -13.62 65,194 65,194 145,165 4,474
Richland-Chambers Water Supply 91.4 312.80 -2.20 1,030,610 1,004,827 1,099,417 42,116
Sam Rayburnas of 2026-09-07 Water Supply and Flood Control 67.1 155.00 -9.40 1,934,993 1,916,037 2,857,077 86,093
Somerville Water Supply and Flood Control 93.2 237.07 -0.93 140,032 140,032 150,293 10,820
Stamfordas of 2026-09-07 Water Supply 65.8 1,413.05 -3.75 33,919 33,916 51,570 3,750
Stillhouse Hollow Water Supply and Flood Control 98.2 621.34 -0.66 225,670 225,584 229,796 6,334
Strikeras of 2026-09-07 Water Supply 81.0 291.31 -1.69 18,592 13,670 16,878 1,849
Sulphur Springsas of 2026-09-07 Water Supply 89.6 457.93 -1.02 15,900 15,900 17,747 - n.a. -
Sweetwateras of 2026-09-07 Water Supply 17.5 2,091.00 -25.50 2,151 2,151 12,267 209
Tawakonias of 2026-09-07 Water Supply 93.4 435.92 -1.58 814,545 814,537 871,685 35,450
Texana Water Supply 86.9 41.89 -2.11 143,414 138,201 158,975 9,402
Texoma 7 Water Supply and Flood Control 96.8 615.92 -1.08 2,407,393 1,203,696 1,243,801 72,702
Toledo Bend 8 Water Supply 88.4 168.85 -3.15 3,959,799 1,977,850 2,236,450 167,402
Travis Water Supply and Flood Control 93.9 677.38 -3.62 1,047,657 1,030,625 1,098,044 18,214
Twin Buttes Water Supply and Flood Control 5.8 1,896.75 -43.45 14,280 10,531 182,454 1,157
Tyleras of 2026-09-07 Water Supply 89.5 373.71 -1.67 69,709 64,498 72,073 4,372
Wacoas of 2026-09-07 Water Supply and Flood Control 89.6 459.83 -2.39 169,445 169,219 188,891 8,002
Waxahachieas of 2026-09-07 Water Supply 80.7 528.07 -3.43 9,506 8,924 11,060 582
Weatherfordas of 2026-09-07 Water Supply 56.3 887.94 -8.06 10,036 10,036 17,812 861
White Riveras of 2026-09-07 Water Supply 21.9 2,349.39 -22.81 6,980 6,980 31,846 675
Whitneyas of 2026-09-07 Water Supply and Flood Control 93.8 531.44 -1.56 531,059 529,705 564,808 21,794
Worthas of 2026-09-07 Water Supply 67.1 591.55 -2.45 25,460 16,384 24,419 3,116
Wright Patmanas of 2026-09-07 Water Supply and Flood Control 100.0 225.85 5.25 256,997 122,593 122,593 - 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.