Texas Reservoirs: Monitored Water Supply Reservoirs are 74.0% full on 2026-03-21

Static map

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-03-21 74.0 27,157,187 23,337,414 31,531,332
Yesterday 2026-03-20 74.0 27,159,296 23,338,215 31,531,332
2 days ago 2026-03-19 74.0 27,169,128 23,342,751 31,531,332
1 week ago 2026-03-14 74.1 27,195,306 23,359,181 31,531,332
1 month ago 2026-02-21 73.8 27,101,099 23,268,721 31,531,332
3 months ago 2025-12-21 73.8 27,045,966 23,256,122 31,531,332
6 months ago 2025-09-21 76.1 27,913,793 24,006,903 31,531,332
1 year ago 2025-03-21 75.1 27,859,516 23,686,252 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 2026-03-20 Water Supply 3.6 1,988.44 -23.86 285 285 7,900 91
Addicks 1 Flood Control - n.a. - 78.50 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-03-20 Water Supply 83.2 2,213.74 -6.26 80,057 80,057 96,207 2,373
Amistad 2as of 2026-03-20 Water Supply and Flood Control 32.0 1,048.85 -68.15 630,283 580,890 1,813,408 17,014
Amon G Carteras of 2026-03-20 Water Supply 86.1 918.10 -1.90 17,380 16,596 19,266 1,347
Aquillaas of 2026-03-20 Water Supply and Flood Control 93.3 536.55 -0.95 40,401 40,365 43,243 2,975
Arlingtonas of 2026-03-20 Water Supply 97.3 549.43 -0.57 39,097 39,065 40,157 1,908
Arrowheadas of 2026-03-20 Water Supply 81.2 922.84 -3.16 187,096 187,096 230,359 12,876
Athensas of 2026-03-20 Water Supply 100.0 440.28 0.28 30,067 29,503 29,503 - n.a. -
Austinas of 2026-03-20 Water Supply 96.0 492.18 -0.62 23,612 23,003 23,972 1,544
B A Steinhagenas of 2026-03-20 Water Supply 94.2 82.60 -0.40 65,239 65,166 69,186 9,867
Bardwellas of 2026-03-20 Water Supply and Flood Control 100.0 421.39 0.39 45,214 43,856 43,856 3,343
Barker 3 Flood Control - n.a. - 79.05 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Beltonas of 2026-03-20 Water Supply and Flood Control 97.1 592.98 -1.02 420,074 420,074 432,631 12,177
Benbrookas of 2026-03-20 Water Supply and Flood Control 83.0 689.78 -4.22 71,056 71,056 85,648 3,251
Bob Sandlinas of 2026-03-20 Water Supply 94.2 336.22 -1.28 191,931 181,200 192,417 8,638
Bois d'Arcas of 2026-03-20 Water Supply 89.4 531.58 -2.42 328,558 328,558 367,609 15,464
Bonhamas of 2026-03-20 Water Supply 77.1 562.46 -2.54 8,514 8,502 11,027 933
Brady Creekas of 2026-03-20 Water Supply 95.9 1,742.38 -0.62 29,262 27,640 28,808 1,975
Bridgeportas of 2026-03-20 Water Supply and Flood Control 85.4 831.36 -4.64 317,683 317,683 372,183 11,244
Brownwoodas of 2026-03-20 Water Supply 82.8 1,421.40 -3.20 108,332 108,332 130,868 6,073
Buchananas of 2026-03-20 Water Supply 94.4 1,017.80 -2.20 831,461 817,799 866,694 22,022
Caddo 4as of 2026-03-09 Water Supply 100.0 168.93 0.43 138,546 29,898 29,898 27,670
Canyonas of 2026-03-20 Water Supply and Flood Control 59.5 887.07 -21.93 225,290 225,219 378,781 5,854
Cedar Creek Water Supply 85.1 318.92 -3.08 548,836 548,737 644,686 29,780
Champion Creekas of 2026-03-20 Water Supply 40.4 2,061.62 -21.38 16,817 16,817 41,580 837
Cherokeeas of 2026-03-20 Water Supply 100.0 280.33 0.33 46,150 40,094 40,094 - n.a. -
Choke Canyonas of 2026-03-20 Water Supply 8.0 179.35 -41.15 53,120 53,119 662,820 5,451
Ciscoas of 2026-03-20 Water Supply 47.7 1,505.56 -16.90 13,824 13,824 29,003 637
Colemanas of 2026-03-20 Water Supply 83.4 1,713.90 -3.60 31,784 31,766 38,075 1,686
Coleto Creekas of 2026-03-20 Water Supply 76.0 94.83 -3.17 23,588 23,588 31,040 2,205
Colorado City Water Supply 53.9 2,059.02 -11.18 16,575 16,575 30,758 - n.a. -
Comanche Creek Water Supply 99.4 774.73 -0.27 150,420 150,397 151,250 3,151
Conroeas of 2026-03-20 Water Supply 94.9 199.91 -1.09 396,241 396,214 417,577 19,305
Corpus Christi Water Supply 9.1 75.16 -18.84 23,705 23,427 256,062 4,938
Crookas of 2026-03-20 Water Supply 97.7 475.80 -0.20 9,001 8,986 9,195 1,043
Cypress Springsas of 2026-03-20 Water Supply 98.0 377.58 -0.42 65,404 65,404 66,756 3,201
E V Spence Water Supply 11.8 1,845.69 -52.31 60,780 60,780 517,272 3,824
Eagle Mountainas of 2026-03-20 Water Supply and Flood Control 84.3 645.76 -3.34 155,964 155,964 185,087 8,255
Elephant Butte 5as of 2026-03-20 Water Supply and Flood Control 12.5 4,318.96 -87.34 249,083 249,083 1,985,900 8,793
Falcon 2as of 2026-03-20 Water Supply and Flood Control 20.4 257.54 -43.66 363,744 319,040 1,562,367 23,596
Forkas of 2026-03-20 Water Supply 87.8 400.11 -2.89 563,615 532,172 606,088 24,264
Fort Phantom Hillas of 2026-03-20 Water Supply 72.3 1,630.34 -5.56 50,612 50,606 70,030 3,109
Georgetown Water Supply and Flood Control 76.8 783.70 -7.30 29,237 29,174 38,005 1,114
Gibbons Creek Water Supply 97.7 246.77 -0.23 26,841 25,137 25,721 2,528
Grahamas of 2026-03-20 Water Supply 77.1 1,070.53 -4.47 34,937 34,923 45,288 2,137
Granburyas of 2026-03-20 Water Supply 98.8 692.51 -0.19 132,312 131,403 132,949 8,103
Granger Water Supply and Flood Control 100.0 504.25 0.25 52,856 51,822 51,822 - n.a. -
Grapevineas of 2026-03-20 Water Supply and Flood Control 100.0 535.31 0.31 165,120 163,064 163,064 - n.a. -
Greenbeltas of 2026-03-20 Water Supply 7.4 2,612.14 -51.86 4,858 4,426 59,968 361
Halbertas of 2026-03-20 Water Supply 75.8 365.33 -2.67 4,573 4,573 6,033 516
Hords Creekas of 2026-03-20 Water Supply and Flood Control 55.2 1,891.06 -8.94 4,481 4,478 8,109 317
Houstonas of 2026-03-20 Water Supply 99.5 42.32 -0.06 135,434 131,633 132,318 11,416
Houston Countyas of 2026-03-20 Water Supply 100.0 260.20 0.20 17,924 17,113 17,113 - n.a. -
Hubbard Creekas of 2026-03-20 Water Supply 41.9 1,168.29 -15.02 136,124 131,248 313,298 8,811
Hubert H Mossas of 2026-03-20 Water Supply 89.9 712.69 -2.31 21,725 21,628 24,058 1,023
Inksas of 2026-03-20 Water Supply 94.4 887.04 -0.96 13,249 12,966 13,729 778
J B Thomasas of 2026-03-20 Water Supply 28.0 2,230.87 -27.13 56,663 55,990 199,931 3,597
Jacksonvilleas of 2026-03-20 Water Supply 100.0 422.09 0.09 25,836 25,670 25,670 - n.a. -
Jim Chapmanas of 2026-03-20 Water Supply and Flood Control 77.0 436.49 -3.51 234,868 199,093 258,723 15,979
Joe Poolas of 2026-03-20 Water Supply and Flood Control 100.0 522.60 0.60 155,055 149,629 149,629 6,821
Kempas of 2026-03-20 Water Supply and Flood Control 96.7 1,143.46 -0.54 237,242 237,116 245,307 15,037
Kickapooas of 2026-03-20 Water Supply 83.5 1,042.44 -2.56 72,078 72,078 86,345 5,282
Lake O' the Pinesas of 2026-03-20 Water Supply and Flood Control 95.5 227.88 -0.62 230,561 230,561 241,363 17,211
Lavonas of 2026-03-20 Water Supply and Flood Control 99.5 491.91 -0.09 410,744 407,903 409,757 20,578
Leonas of 2026-03-20 Water Supply 81.8 1,371.91 -3.09 22,993 22,713 27,762 1,513
Lewisvilleas of 2026-03-20 Water Supply and Flood Control 100.0 522.09 0.09 601,335 563,228 563,228 - n.a. -
Limestone Water Supply 84.5 360.35 -2.65 172,210 172,210 203,780 11,314
Livingston Water Supply 100.0 131.06 0.06 1,608,175 1,603,504 1,603,504 77,986
Lost Creekas of 2026-03-20 Water Supply 93.5 1,007.56 -1.94 11,174 11,174 11,950 - n.a. -
Lyndon B Johnsonas of 2026-03-20 Water Supply 98.6 824.75 -0.25 130,013 111,173 112,778 6,408
Mackenzieas of 2026-03-20 Water Supply 12.4 3,021.57 -78.43 5,741 5,741 46,450 256
Marble Fallsas of 2026-03-20 Water Supply 96.2 736.53 -0.47 7,311 7,311 7,597 604
Martinas of 2026-03-20 Water Supply 90.3 304.48 -1.52 68,406 68,406 75,726 4,678
Medina Water Supply 4.1 977.46 -86.74 10,338 10,338 254,823 739
Meredith 6as of 2026-03-20 Water Supply 46.1 2,892.20 -44.30 268,667 230,253 500,000 8,734
Millers Creekas of 2026-03-20 Water Supply 68.8 1,329.62 -4.38 19,691 18,408 26,768 1,571
Mineral Wellsas of 2026-03-20 Water Supply 95.0 862.43 -0.57 5,011 5,011 5,273 453
Monticelloas of 2026-03-20 Water Supply 78.8 336.05 -3.95 27,381 27,381 34,740 1,644
Mountain Creekas of 2026-03-20 Water Supply 100.0 457.96 0.96 25,605 22,850 22,850 - n.a. -
Murvaulas of 2026-03-20 Water Supply 100.0 265.42 0.12 38,697 38,285 38,285 - n.a. -
Nacogdochesas of 2026-03-20 Water Supply 97.9 278.61 -0.39 38,678 38,676 39,522 2,147
Nasworthyas of 2026-03-20 Water Supply 85.2 1,871.70 -1.01 8,689 8,196 9,615 1,232
Navarro Millsas of 2026-03-20 Water Supply and Flood Control 96.5 424.13 -0.37 48,100 48,099 49,827 4,629
New Terrell Cityas of 2026-03-20 Water Supply 27.5 494.16 -9.84 2,368 2,357 8,583 383
Noconaas of 2026-03-20 Water Supply 85.4 825.08 -2.42 18,610 18,306 21,444 1,253
North Fork Buffalo Creekas of 2026-03-20 Water Supply 80.2 1,046.06 -1.94 12,347 12,347 15,400 1,304
O C Fisher Water Supply and Flood Control 14.4 1,875.61 -32.39 16,636 16,635 115,742 1,333
O H Ivieas of 2026-03-20 Water Supply 45.4 1,531.34 -20.16 251,409 251,409 554,340 - n.a. -
Oak Creekas of 2026-03-20 Water Supply 18.4 1,976.62 -23.38 7,359 7,209 39,210 645
Palestineas of 2026-03-20 Water Supply 99.8 344.97 -0.03 366,620 366,611 367,303 23,085
Palo Duroas of 2026-03-20 Water Supply and Flood Control 0.4 2,826.40 -65.60 236 236 61,066 - n.a. -
Palo Pintoas of 2026-03-20 Water Supply 94.6 866.33 -0.67 25,704 25,318 26,766 2,148
Pat Cleburneas of 2026-03-20 Water Supply 95.8 732.80 -0.70 24,920 24,920 26,008 1,544
Pat Mayseas of 2026-03-20 Water Supply and Flood Control 89.1 448.75 -2.25 105,487 101,327 113,683 5,299
Possum Kingdomas of 2026-03-20 Water Supply 91.1 996.23 -2.77 490,282 490,282 538,139 16,626
Proctoras of 2026-03-20 Water Supply and Flood Control 76.9 1,159.11 -2.89 42,131 42,131 54,762 4,047
Ray Hubbard Water Supply 100.0 435.55 0.05 440,610 439,559 439,559 21,010
Ray Robertsas of 2026-03-20 Water Supply and Flood Control 100.0 632.67 0.17 793,321 788,167 788,167 - n.a. -
Red Bluffas of 2026-03-20 Water Supply 57.2 2,818.15 -9.95 82,964 82,964 145,165 5,203
Richland-Chambersas of 2026-03-20 Water Supply 92.4 313.06 -1.94 1,041,588 1,015,805 1,099,417 42,323
Sam Rayburnas of 2026-03-20 Water Supply and Flood Control 70.1 155.99 -8.41 2,021,565 2,002,609 2,857,077 88,826
Somerville Water Supply and Flood Control 77.3 234.78 -3.22 116,223 116,223 150,293 9,958
Stamfordas of 2026-03-20 Water Supply 79.3 1,414.78 -2.02 40,903 40,900 51,570 4,328
Stillhouse Hollowas of 2026-03-20 Water Supply and Flood Control 93.6 619.64 -2.36 215,096 215,010 229,796 6,110
Strikeras of 2026-03-20 Water Supply 100.0 293.01 0.01 21,819 16,878 16,878 1,955
Sulphur Springsas of 2026-03-20 Water Supply 80.1 456.89 -2.06 14,207 14,207 17,747 - n.a. -
Sweetwateras of 2026-03-20 Water Supply 23.8 2,094.42 -22.08 2,916 2,916 12,267 249
Tawakonias of 2026-03-20 Water Supply 96.5 436.67 -0.83 841,372 841,364 871,685 36,103
Texana Water Supply 53.1 35.23 -8.77 89,703 84,490 158,975 6,847
Texoma 7as of 2026-03-20 Water Supply and Flood Control 99.2 616.72 -0.28 2,466,750 1,233,374 1,243,801 74,984
Toledo Bend 8as of 2026-03-20 Water Supply 88.0 168.73 -3.27 3,939,333 1,967,616 2,236,450 166,823
Travisas of 2026-03-20 Water Supply and Flood Control 75.4 665.31 -15.69 845,309 828,277 1,098,044 15,335
Twin Buttes Water Supply and Flood Control 11.1 1,903.77 -36.43 23,920 20,171 182,454 1,626
Tyleras of 2026-03-20 Water Supply 97.3 374.96 -0.42 75,324 70,113 72,073 4,618
Wacoas of 2026-03-20 Water Supply and Flood Control 98.0 461.78 -0.44 185,421 185,195 188,891 8,361
Waxahachieas of 2026-03-20 Water Supply 85.5 528.97 -2.53 10,040 9,458 11,060 605
Weatherfordas of 2026-03-20 Water Supply 67.1 890.10 -5.90 11,955 11,955 17,812 914
White Riveras of 2026-03-20 Water Supply 28.4 2,352.25 -19.95 9,033 9,033 31,846 776
Whitneyas of 2026-03-20 Water Supply and Flood Control 95.1 531.78 -1.22 538,519 537,165 564,808 22,097
Worthas of 2026-03-20 Water Supply 75.1 592.17 -1.83 27,422 18,346 24,419 3,208
Wright Patmanas of 2026-03-20 Water Supply and Flood Control 100.0 223.77 3.17 197,214 122,593 122,593 - 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.