Texas Reservoirs: Monitored Water Supply Reservoirs are 73.9% full on 2026-03-28

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-03-28 73.9 27,138,940 23,299,681 31,531,332
Yesterday 2026-03-27 73.8 27,077,411 23,273,404 31,531,332
2 days ago 2026-03-26 73.8 27,076,606 23,273,182 31,531,332
1 week ago 2026-03-21 74.0 27,154,255 23,334,061 31,531,332
1 month ago 2026-02-28 73.6 26,964,944 23,196,119 31,531,332
3 months ago 2025-12-28 73.8 27,056,211 23,280,827 31,531,332
6 months ago 2025-09-28 76.0 27,848,834 23,958,207 31,531,332
1 year ago 2025-03-28 75.1 27,778,436 23,674,561 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 2026-03-27 Water Supply 3.6 1,988.44 -23.86 285 285 7,900 91
Addicks 1 Flood Control - n.a. - 76.36 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-03-27 Water Supply 83.0 2,213.64 -6.36 79,820 79,820 96,207 2,368
Amistad 2 Water Supply and Flood Control 31.6 1,048.43 -68.57 623,144 572,522 1,813,408 16,826
Amon G Carter Water Supply 85.4 918.00 -2.00 17,242 16,458 19,266 1,339
Aquillaas of 2026-03-27 Water Supply and Flood Control 92.9 536.48 -1.02 40,193 40,157 43,243 2,966
Arlingtonas of 2026-03-27 Water Supply 95.2 549.00 -1.00 38,278 38,246 40,157 1,897
Arrowheadas of 2026-03-27 Water Supply 80.3 922.68 -3.32 185,043 185,043 230,359 12,794
Athensas of 2026-03-27 Water Supply 100.0 440.21 0.21 29,936 29,503 29,503 - n.a. -
Austin Water Supply 97.6 492.43 -0.37 24,000 23,391 23,972 1,559
B A Steinhagenas of 2026-03-27 Water Supply 95.8 82.71 -0.29 66,330 66,257 69,186 9,968
Bardwellas of 2026-03-27 Water Supply and Flood Control 100.0 421.42 0.42 45,315 43,856 43,856 3,346
Barker 3 Flood Control - n.a. - 70.01 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Beltonas of 2026-03-27 Water Supply and Flood Control 96.9 592.90 -1.10 419,101 419,101 432,631 12,156
Benbrookas of 2026-03-27 Water Supply and Flood Control 82.7 689.72 -4.28 70,862 70,862 85,648 3,244
Bob Sandlin Water Supply 93.9 336.15 -1.35 191,327 180,596 192,417 8,624
Bois d'Arcas of 2026-03-27 Water Supply 88.7 531.42 -2.58 325,926 325,926 367,609 15,389
Bonhamas of 2026-03-27 Water Supply 76.1 562.34 -2.66 8,403 8,391 11,027 926
Brady Creekas of 2026-03-27 Water Supply 95.3 1,742.29 -0.71 29,080 27,458 28,808 1,968
Bridgeportas of 2026-03-27 Water Supply and Flood Control 85.2 831.31 -4.69 317,121 317,121 372,183 11,234
Brownwoodas of 2026-03-27 Water Supply 82.3 1,421.30 -3.30 107,726 107,726 130,868 6,053
Buchanan Water Supply 94.2 1,017.73 -2.27 829,920 816,258 866,694 22,010
Caddo 4as of 2026-03-09 Water Supply 100.0 168.93 0.43 138,546 29,898 29,898 27,670
Canyonas of 2026-03-27 Water Supply and Flood Control 59.2 886.90 -22.10 224,297 224,226 378,781 5,837
Cedar Creek Water Supply 84.7 318.82 -3.18 545,863 545,764 644,686 29,692
Champion Creekas of 2026-03-27 Water Supply 40.3 2,061.53 -21.47 16,740 16,740 41,580 836
Cherokeeas of 2026-03-27 Water Supply 100.0 280.26 0.26 45,875 40,094 40,094 - n.a. -
Choke Canyonas of 2026-03-27 Water Supply 7.8 179.11 -41.39 51,823 51,822 662,820 5,355
Ciscoas of 2026-03-27 Water Supply 47.4 1,505.42 -17.04 13,737 13,737 29,003 633
Colemanas of 2026-03-27 Water Supply 83.0 1,713.80 -3.70 31,616 31,598 38,075 1,683
Coleto Creekas of 2026-03-27 Water Supply 75.8 94.80 -3.20 23,524 23,524 31,040 2,201
Colorado City Water Supply 53.4 2,058.88 -11.32 16,426 16,426 30,758 - n.a. -
Comanche Creek Water Supply 99.7 774.88 -0.12 150,894 150,871 151,250 3,159
Conroe Water Supply 94.8 199.89 -1.11 395,855 395,828 417,577 19,294
Corpus Christi Water Supply 9.0 75.06 -18.94 23,215 22,937 256,062 4,874
Crookas of 2026-03-27 Water Supply 96.8 475.72 -0.28 8,918 8,903 9,195 1,040
Cypress Springsas of 2026-03-27 Water Supply 97.4 377.47 -0.53 65,053 65,053 66,756 3,193
E V Spence Water Supply 11.6 1,845.52 -52.48 60,131 60,131 517,272 3,805
Eagle Mountainas of 2026-03-27 Water Supply and Flood Control 83.3 645.54 -3.56 154,154 154,154 185,087 8,197
Elephant Butte 5as of 2026-03-27 Water Supply and Flood Control 12.6 4,319.11 -87.19 250,405 250,405 1,985,900 8,823
Falcon 2 Water Supply and Flood Control 19.4 257.04 -44.16 352,380 302,458 1,562,367 23,040
Forkas of 2026-03-27 Water Supply 87.6 400.06 -2.94 562,404 530,961 606,088 24,218
Fort Phantom Hillas of 2026-03-27 Water Supply 71.6 1,630.19 -5.71 50,147 50,141 70,030 3,094
Georgetown Water Supply and Flood Control 76.2 783.49 -7.51 29,004 28,941 38,005 1,109
Gibbons Creek Water Supply 97.3 246.73 -0.27 26,740 25,036 25,721 2,523
Grahamas of 2026-03-27 Water Supply 76.0 1,070.30 -4.70 34,447 34,433 45,288 2,119
Granbury Water Supply 98.7 692.49 -0.21 132,150 131,241 132,949 8,096
Granger Water Supply and Flood Control 100.0 504.16 0.16 52,482 51,822 51,822 - n.a. -
Grapevineas of 2026-03-27 Water Supply and Flood Control 100.0 535.16 0.16 164,122 163,064 163,064 - n.a. -
Greenbeltas of 2026-03-27 Water Supply 7.3 2,612.01 -51.99 4,816 4,384 59,968 358
Halbertas of 2026-03-27 Water Supply 75.5 365.30 -2.70 4,557 4,557 6,033 516
Hords Creekas of 2026-03-27 Water Supply and Flood Control 54.8 1,890.95 -9.05 4,447 4,444 8,109 315
Houstonas of 2026-03-27 Water Supply 100.0 42.40 0.02 136,349 132,318 132,318 - n.a. -
Houston Countyas of 2026-03-27 Water Supply 100.0 260.11 0.11 17,808 17,113 17,113 - n.a. -
Hubbard Creekas of 2026-03-27 Water Supply 41.5 1,168.15 -15.16 134,894 130,018 313,298 8,754
Hubert H Mossas of 2026-03-27 Water Supply 89.6 712.63 -2.37 21,664 21,567 24,058 1,022
Inks Water Supply 95.6 887.25 -0.75 13,414 13,131 13,729 791
J B Thomasas of 2026-03-27 Water Supply 27.6 2,230.65 -27.35 55,875 55,202 199,931 3,571
Jacksonvilleas of 2026-03-27 Water Supply 100.0 422.08 0.08 25,825 25,670 25,670 - n.a. -
Jim Chapmanas of 2026-03-27 Water Supply and Flood Control 76.0 436.33 -3.67 232,319 196,544 258,723 15,887
Joe Poolas of 2026-03-27 Water Supply and Flood Control 100.0 522.26 0.26 152,747 149,629 149,629 6,755
Kempas of 2026-03-27 Water Supply and Flood Control 94.5 1,143.11 -0.89 232,008 231,882 245,307 14,871
Kickapooas of 2026-03-27 Water Supply 82.4 1,042.27 -2.73 71,184 71,184 86,345 5,243
Lake O' the Pinesas of 2026-03-27 Water Supply and Flood Control 95.5 227.87 -0.63 230,390 230,390 241,363 17,205
Lavonas of 2026-03-27 Water Supply and Flood Control 99.0 491.80 -0.20 408,483 405,642 409,757 20,527
Leonas of 2026-03-27 Water Supply 81.2 1,371.80 -3.20 22,828 22,548 27,762 1,505
Lewisvilleas of 2026-03-27 Water Supply and Flood Control 100.0 522.06 0.06 600,524 563,228 563,228 - n.a. -
Limestone Water Supply 84.6 360.37 -2.63 172,437 172,437 203,780 11,321
Livingston Water Supply 100.0 131.13 0.13 1,613,646 1,603,504 1,603,504 78,321
Lost Creekas of 2026-03-27 Water Supply 93.4 1,007.51 -1.99 11,157 11,157 11,950 - n.a. -
Lyndon B Johnson Water Supply 99.0 824.83 -0.17 130,526 111,686 112,778 6,416
Mackenzieas of 2026-03-27 Water Supply 12.3 3,021.47 -78.53 5,715 5,715 46,450 255
Marble Falls Water Supply 93.9 736.24 -0.76 7,137 7,137 7,597 598
Martinas of 2026-03-27 Water Supply 89.8 304.40 -1.60 68,032 68,032 75,726 4,663
Medinaas of 2026-03-27 Water Supply 4.0 977.25 -86.95 10,183 10,183 254,823 734
Meredith 6as of 2026-03-27 Water Supply 45.9 2,892.09 -44.41 267,708 229,294 500,000 8,724
Millers Creekas of 2026-03-27 Water Supply 68.0 1,329.48 -4.52 19,472 18,189 26,768 1,557
Mineral Wellsas of 2026-03-27 Water Supply 94.4 862.36 -0.64 4,979 4,979 5,273 451
Monticelloas of 2026-03-27 Water Supply 78.6 336.01 -3.99 27,313 27,313 34,740 1,640
Mountain Creekas of 2026-03-27 Water Supply 100.0 457.80 0.80 25,054 22,850 22,850 2,940
Murvaulas of 2026-03-27 Water Supply 100.0 265.33 0.03 38,388 38,285 38,285 - n.a. -
Nacogdochesas of 2026-03-27 Water Supply 97.5 278.54 -0.46 38,528 38,526 39,522 2,140
Nasworthyas of 2026-03-27 Water Supply 85.9 1,871.75 -0.96 8,750 8,257 9,615 1,236
Navarro Millsas of 2026-03-27 Water Supply and Flood Control 95.9 424.06 -0.44 47,777 47,776 49,827 4,615
New Terrell Cityas of 2026-03-27 Water Supply 27.1 494.07 -9.93 2,334 2,323 8,583 380
Noconaas of 2026-03-27 Water Supply 84.8 824.99 -2.51 18,497 18,193 21,444 1,250
North Fork Buffalo Creekas of 2026-03-27 Water Supply 79.5 1,045.99 -2.01 12,243 12,243 15,400 1,297
O C Fisher Water Supply and Flood Control 14.2 1,875.48 -32.52 16,463 16,462 115,742 1,328
O H Ivieas of 2026-03-27 Water Supply 45.2 1,531.28 -20.22 250,738 250,738 554,340 - n.a. -
Oak Creekas of 2026-03-27 Water Supply 18.1 1,976.46 -23.54 7,259 7,109 39,210 638
Palestineas of 2026-03-27 Water Supply 99.7 344.96 -0.04 366,389 366,380 367,303 23,076
Palo Duroas of 2026-03-27 Water Supply and Flood Control 0.4 2,826.39 -65.61 235 235 61,066 - n.a. -
Palo Pintoas of 2026-03-27 Water Supply 93.9 866.24 -0.76 25,511 25,125 26,766 2,144
Pat Cleburneas of 2026-03-27 Water Supply 95.8 732.80 -0.70 24,920 24,920 26,008 1,544
Pat Mayseas of 2026-03-27 Water Supply and Flood Control 88.6 448.63 -2.37 104,852 100,692 113,683 5,283
Possum Kingdom Water Supply 90.7 996.11 -2.89 488,290 488,290 538,139 16,564
Proctoras of 2026-03-27 Water Supply and Flood Control 76.2 1,159.01 -2.99 41,728 41,728 54,762 4,019
Ray Hubbard Water Supply 100.0 435.56 0.06 440,820 439,559 439,559 21,023
Ray Robertsas of 2026-03-27 Water Supply and Flood Control 100.0 632.65 0.15 792,752 788,167 788,167 - n.a. -
Red Bluffas of 2026-03-27 Water Supply 57.3 2,818.19 -9.91 83,173 83,173 145,165 5,211
Richland-Chambersas of 2026-03-27 Water Supply 92.5 313.10 -1.90 1,043,281 1,017,498 1,099,417 42,355
Sam Rayburnas of 2026-03-27 Water Supply and Flood Control 70.6 156.14 -8.26 2,034,923 2,015,967 2,857,077 89,259
Somerville Water Supply and Flood Control 75.1 234.44 -3.56 112,863 112,863 150,293 9,803
Stamfordas of 2026-03-27 Water Supply 78.0 1,414.62 -2.18 40,220 40,217 51,570 4,274
Stillhouse Hollow Water Supply and Flood Control 93.1 619.48 -2.52 214,120 214,034 229,796 6,088
Strikeras of 2026-03-27 Water Supply 100.0 293.18 0.18 22,152 16,878 16,878 1,970
Sulphur Springsas of 2026-03-27 Water Supply 79.8 456.86 -2.09 14,162 14,162 17,747 - n.a. -
Sweetwateras of 2026-03-27 Water Supply 23.5 2,094.29 -22.21 2,884 2,884 12,267 248
Tawakonias of 2026-03-27 Water Supply 96.4 436.65 -0.85 840,650 840,642 871,685 36,084
Texana Water Supply 52.1 34.99 -9.01 88,070 82,857 158,975 6,757
Texoma 7 Water Supply and Flood Control 99.0 616.65 -0.35 2,461,537 1,230,768 1,243,801 74,780
Toledo Bend 8 Water Supply 89.3 169.09 -2.91 3,999,931 1,997,916 2,236,450 168,560
Travis Water Supply and Flood Control 74.5 664.64 -16.36 835,086 818,054 1,098,044 15,182
Twin Buttes Water Supply and Flood Control 10.7 1,903.34 -36.86 23,235 19,486 182,454 1,596
Tyleras of 2026-03-27 Water Supply 96.9 374.90 -0.48 75,047 69,836 72,073 4,606
Wacoas of 2026-03-27 Water Supply and Flood Control 97.7 461.70 -0.52 184,752 184,526 188,891 8,347
Waxahachieas of 2026-03-27 Water Supply 85.2 528.92 -2.58 10,010 9,428 11,060 603
Weatherfordas of 2026-03-27 Water Supply 66.5 889.98 -6.02 11,845 11,845 17,812 911
White Riveras of 2026-03-27 Water Supply 28.2 2,352.19 -20.01 8,986 8,986 31,846 774
Whitneyas of 2026-03-27 Water Supply and Flood Control 94.9 531.74 -1.26 537,636 536,282 564,808 22,061
Worthas of 2026-03-27 Water Supply 74.6 592.13 -1.87 27,294 18,218 24,419 3,203
Wright Patmanas of 2026-03-27 Water Supply and Flood Control 100.0 223.12 2.52 180,265 122,593 122,593 - 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.