Texas Reservoirs: Monitored Water Supply Reservoirs are 73.0% full on 2026-09-15

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-15 73.0 26,942,576 23,052,371 31,558,535
Yesterday 2026-09-14 73.1 26,961,324 23,066,008 31,558,535
2 days ago 2026-09-13 73.2 26,999,243 23,102,632 31,558,535
1 week ago 2026-09-08 73.8 27,209,413 23,286,659 31,558,535
1 month ago 2026-08-15 76.4 28,209,031 24,123,257 31,558,535
3 months ago 2026-06-15 76.7 28,819,123 24,199,546 31,558,535
6 months ago 2026-03-15 74.1 27,239,817 23,374,231 31,531,332
1 year ago 2025-09-15 76.6 28,112,910 24,188,833 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 2026-09-14 Water Supply 8.8 1,992.15 -20.15 695 695 7,900 145
Addicks 1as of 2026-09-14 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-14 Water Supply 71.8 2,208.86 -11.14 69,062 69,062 96,207 2,138
Amistad 2 Water Supply and Flood Control 38.9 1,056.44 -60.56 772,641 705,705 1,813,408 20,695
Amon G Carteras of 2026-09-14 Water Supply 75.8 916.52 -3.48 15,384 14,600 19,266 1,238
Aquillaas of 2026-09-14 Water Supply and Flood Control 85.7 535.41 -2.09 37,114 37,078 43,243 2,780
Arlingtonas of 2026-09-14 Water Supply 72.5 544.06 -5.94 29,145 29,113 40,157 1,802
Arrowheadas of 2026-09-14 Water Supply 71.5 921.03 -4.97 164,635 164,635 230,359 11,942
Athensas of 2026-09-14 Water Supply 93.2 438.88 -1.12 27,538 27,497 29,503 1,682
Austin Water Supply 97.8 492.47 -0.33 24,063 23,454 23,972 1,561
B A Steinhagenas of 2026-09-14 Water Supply 98.2 82.88 -0.12 68,039 67,966 69,186 10,124
Bardwellas of 2026-09-14 Water Supply and Flood Control 88.2 419.38 -1.62 38,753 38,692 43,856 3,084
Barker 3 Flood Control - n.a. - 69.95 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 96.4 592.74 -1.26 417,159 417,159 432,631 12,114
Benbrookas of 2026-09-14 Water Supply and Flood Control 74.5 687.48 -6.52 63,830 63,830 85,648 3,044
Bob Sandlin Water Supply 90.2 335.33 -2.17 184,320 173,589 192,417 8,464
Bois d'Arcas of 2026-09-14 Water Supply 91.3 532.02 -1.98 335,787 335,787 367,609 15,670
Bonhamas of 2026-09-14 Water Supply 80.5 562.86 -2.14 8,892 8,880 11,027 954
Brady Creekas of 2026-09-14 Water Supply 85.5 1,740.80 -2.20 26,240 24,618 28,808 1,834
Bridgeport Water Supply and Flood Control 75.7 828.07 -7.93 281,857 281,857 372,183 10,511
Brownwoodas of 2026-09-14 Water Supply 84.1 1,421.68 -2.92 110,041 110,041 130,868 6,131
Buchanan Water Supply 96.4 1,018.62 -1.38 849,578 835,916 866,694 22,166
Caddo 4as of 2026-09-14 Water Supply 91.2 168.34 -0.16 123,752 27,274 29,898 26,340
Canyonas of 2026-09-14 Water Supply and Flood Control 99.2 908.65 -0.35 375,977 375,906 378,781 8,196
Cedar Creek Water Supply 74.2 316.47 -5.53 478,594 478,495 644,686 27,497
Champion Creek Water Supply 42.4 2,062.53 -20.47 17,633 17,633 41,580 860
Cherokeeas of 2026-09-14 Water Supply 83.5 277.96 -2.04 37,877 33,495 40,094 3,170
Choke Canyon Water Supply 22.6 191.46 -29.04 149,864 149,863 662,820 10,509
Ciscoas of 2026-09-14 Water Supply 43.2 1,503.36 -19.10 12,526 12,526 29,003 587
Colemanas of 2026-09-14 Water Supply 79.3 1,712.96 -4.54 30,216 30,198 38,075 1,651
Coleto Creek Water Supply 73.0 94.40 -3.60 22,661 22,661 31,040 2,142
Colorado City Water Supply 53.4 2,058.89 -11.31 16,436 16,436 30,758 - n.a. -
Comanche Creek Water Supply 100.0 775.16 0.16 151,780 151,250 151,250 - n.a. -
Conroe Water Supply 94.7 199.88 -1.12 395,662 395,635 417,577 19,289
Corpus Christi Water Supply 85.5 92.07 -1.93 219,328 219,050 256,062 18,605
Crook Water Supply 87.1 474.85 -1.15 8,025 8,010 9,195 1,012
Cypress Springsas of 2026-09-14 Water Supply 91.0 376.10 -1.90 60,743 60,743 66,756 3,100
E V Spence Water Supply 9.6 1,842.58 -55.42 49,773 49,773 517,272 3,291
Eagle Mountain Water Supply and Flood Control 73.0 643.13 -5.97 135,068 135,068 185,087 7,656
Elephant Butte 5as of 2026-09-14 Water Supply and Flood Control 1.4 4,164.59 -241.00 27,902 27,902 1,960,900 - n.a. -
Falcon 2 Water Supply and Flood Control 21.1 261.23 -39.97 459,769 329,269 1,562,367 28,206
Forkas of 2026-09-14 Water Supply 82.8 398.84 -4.16 533,278 501,835 606,088 23,560
Fort Phantom Hillas of 2026-09-14 Water Supply 67.6 1,629.27 -6.63 47,348 47,342 70,030 2,996
Georgetown Water Supply and Flood Control 80.0 784.80 -6.20 30,479 30,416 38,005 1,143
Gibbons Creek Water Supply 89.1 245.86 -1.14 24,610 22,906 25,721 2,316
Grahamas of 2026-09-14 Water Supply 66.3 1,068.12 -6.88 30,039 30,025 45,288 1,933
Granbury Water Supply 86.7 690.42 -2.28 116,174 115,265 132,949 7,341
Granger Water Supply and Flood Control 99.7 503.96 -0.04 51,658 51,658 51,822 4,130
Grapevineas of 2026-09-14 Water Supply and Flood Control 91.9 532.92 -2.08 149,832 149,832 163,064 6,161
Greenbeltas of 2026-09-14 Water Supply 4.7 2,607.41 -56.59 3,278 2,846 59,968 279
Halbertas of 2026-09-14 Water Supply 73.2 365.02 -2.98 4,414 4,414 6,033 509
Hords Creekas of 2026-09-14 Water Supply and Flood Control 46.7 1,888.70 -11.30 3,786 3,783 8,109 275
Houstonas of 2026-09-14 Water Supply 100.0 42.48 0.10 137,266 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-14 Water Supply 94.7 259.29 -0.71 16,759 16,207 17,113 1,261
Hubbard Creekas of 2026-09-14 Water Supply 36.7 1,166.37 -16.94 119,942 115,066 313,298 8,060
Hubert H Mossas of 2026-09-14 Water Supply 90.6 712.86 -2.14 21,900 21,803 24,058 1,028
Inks Water Supply 95.6 887.24 -0.76 13,407 13,124 13,729 791
J B Thomasas of 2026-09-14 Water Supply 20.8 2,226.58 -31.42 42,261 41,588 199,931 3,149
Jacksonvilleas of 2026-09-14 Water Supply 97.3 421.40 -0.60 25,041 24,979 25,670 1,142
Jim Chapmanas of 2026-09-14 Water Supply and Flood Control 72.3 435.72 -4.28 222,755 186,980 258,723 15,464
Joe Poolas of 2026-09-14 Water Supply and Flood Control 91.3 519.97 -2.03 137,977 136,607 149,629 6,165
Kempas of 2026-09-14 Water Supply and Flood Control 68.2 1,138.19 -5.81 167,334 167,208 245,307 8,703
Kickapooas of 2026-09-14 Water Supply 79.3 1,041.75 -3.25 68,488 68,488 86,345 5,125
Lake O' the Pinesas of 2026-09-14 Water Supply and Flood Control 85.7 227.85 -2.15 230,046 230,046 268,566 17,191
Lavon Water Supply and Flood Control 82.1 488.32 -3.68 339,435 336,594 409,757 19,082
Leonas of 2026-09-14 Water Supply 77.0 1,371.00 -4.00 21,659 21,379 27,762 1,442
Lewisvilleas of 2026-09-14 Water Supply and Flood Control 85.8 518.92 -3.08 518,743 483,069 563,228 25,049
Limestone Water Supply 87.7 360.92 -2.08 178,728 178,728 203,780 11,569
Livingston Water Supply 93.1 129.54 -1.46 1,493,320 1,493,320 1,603,504 73,674
Lost Creekas of 2026-09-14 Water Supply 88.5 1,005.78 -3.72 10,578 10,578 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 2026-09-14 Water Supply 10.9 3,018.68 -81.32 5,070 5,070 46,450 236
Marble Falls Water Supply 98.4 736.80 -0.20 7,475 7,475 7,597 610
Martinas of 2026-09-14 Water Supply 81.9 303.07 -2.93 61,992 61,992 75,726 4,421
Medina Water Supply 29.2 1,021.24 -42.96 74,505 74,505 254,823 2,493
Meredith 6as of 2026-09-14 Water Supply 40.8 2,889.04 -47.46 242,566 204,152 500,000 7,364
Millers Creekas of 2026-09-14 Water Supply 58.8 1,327.83 -6.17 17,031 15,748 26,768 1,402
Mineral Wellsas of 2026-09-14 Water Supply 86.5 861.42 -1.58 4,563 4,563 5,273 435
Monticelloas of 2026-09-14 Water Supply 74.9 335.22 -4.78 26,034 26,034 34,740 1,581
Mountain Creekas of 2026-09-14 Water Supply 98.5 456.85 -0.15 22,508 22,508 22,850 2,661
Murvaulas of 2026-09-14 Water Supply 89.0 264.05 -1.25 34,087 34,087 38,285 3,285
Nacogdochesas of 2026-09-14 Water Supply 87.1 276.55 -2.45 34,444 34,442 39,522 1,971
Nasworthyas of 2026-09-14 Water Supply 85.6 1,871.73 -0.98 8,726 8,233 9,615 1,234
Navarro Millsas of 2026-09-14 Water Supply and Flood Control 80.6 422.36 -2.14 40,180 40,179 49,827 4,333
New Terrell Cityas of 2026-09-14 Water Supply 24.9 493.58 -10.42 2,152 2,141 8,583 364
Noconaas of 2026-09-14 Water Supply 72.3 822.76 -4.74 15,813 15,509 21,444 1,154
North Fork Buffalo Creekas of 2026-09-14 Water Supply 73.3 1,045.31 -2.69 11,288 11,288 15,400 1,227
O C Fisher Water Supply and Flood Control 11.2 1,872.68 -35.32 12,993 12,992 115,742 1,144
O H Ivieas of 2026-09-14 Water Supply 42.6 1,529.96 -21.54 236,344 236,344 554,340 - n.a. -
Oak Creekas of 2026-09-14 Water Supply 14.2 1,973.81 -26.19 5,730 5,580 39,210 531
Palestineas of 2026-09-14 Water Supply 90.8 343.50 -1.50 333,650 333,641 367,303 21,771
Palo Duroas of 2026-09-14 Water Supply and Flood Control 0.4 2,826.33 -65.67 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-14 Water Supply 80.3 864.52 -2.48 21,881 21,495 26,766 2,076
Pat Cleburne Water Supply 86.1 731.13 -2.37 22,382 22,382 26,008 1,496
Pat Mayseas of 2026-09-14 Water Supply and Flood Control 93.1 449.59 -1.41 110,001 105,841 113,683 5,488
Possum Kingdom Water Supply 86.7 994.78 -4.22 466,753 466,753 538,139 15,789
Proctoras of 2026-09-14 Water Supply and Flood Control 62.7 1,157.05 -4.95 34,334 34,334 54,762 3,436
Ray Hubbard Water Supply 85.7 432.36 -3.14 376,628 376,628 439,559 19,512
Ray Robertsas of 2026-09-14 Water Supply and Flood Control 94.8 631.04 -1.46 747,761 747,438 788,167 27,453
Red Bluff Water Supply 44.5 2,814.34 -13.76 64,575 64,575 145,165 4,446
Richland-Chambers Water Supply 90.7 312.63 -2.37 1,023,463 997,680 1,099,417 41,980
Sam Rayburnas of 2026-09-14 Water Supply and Flood Control 66.5 154.80 -9.60 1,917,828 1,898,872 2,857,077 85,558
Somerville Water Supply and Flood Control 92.2 236.94 -1.06 138,629 138,629 150,293 10,765
Stamfordas of 2026-09-14 Water Supply 64.7 1,412.90 -3.90 33,361 33,358 51,570 3,699
Stillhouse Hollow Water Supply and Flood Control 97.8 621.21 -0.79 224,847 224,761 229,796 6,315
Strikeras of 2026-09-14 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-14 Water Supply 88.2 457.78 -1.17 15,653 15,653 17,747 - n.a. -
Sweetwateras of 2026-09-14 Water Supply 17.3 2,090.85 -25.65 2,118 2,118 12,267 208
Tawakonias of 2026-09-14 Water Supply 92.6 435.71 -1.79 807,118 807,110 871,685 35,283
Texana Water Supply 85.6 41.67 -2.33 141,357 136,144 158,975 9,299
Texoma 7 Water Supply and Flood Control 96.0 615.66 -1.34 2,388,755 1,194,377 1,243,801 72,104
Toledo Bend 8 Water Supply 87.4 168.58 -3.42 3,913,718 1,954,809 2,236,450 166,117
Travis Water Supply and Flood Control 92.3 676.46 -4.54 1,030,997 1,013,965 1,098,044 18,003
Twin Buttes Water Supply and Flood Control 5.5 1,896.35 -43.85 13,826 10,077 182,454 1,132
Tyleras of 2026-09-14 Water Supply 88.3 373.52 -1.86 68,882 63,671 72,073 4,338
Wacoas of 2026-09-14 Water Supply and Flood Control 88.3 459.53 -2.69 167,054 166,828 188,891 7,936
Waxahachieas of 2026-09-14 Water Supply 78.5 527.65 -3.85 9,264 8,682 11,060 570
Weatherfordas of 2026-09-14 Water Supply 56.1 887.88 -8.12 9,984 9,984 17,812 860
White Riveras of 2026-09-14 Water Supply 21.5 2,349.19 -23.01 6,846 6,846 31,846 670
Whitneyas of 2026-09-14 Water Supply and Flood Control 92.3 531.04 -1.96 522,407 521,053 564,808 21,462
Worthas of 2026-09-14 Water Supply 67.1 591.55 -2.45 25,460 16,384 24,419 3,116
Wright Patmanas of 2026-09-14 Water Supply and Flood Control 100.0 225.69 5.09 252,096 122,593 122,593 - 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.