Texas Reservoirs: Monitored Water Supply Reservoirs are 73.8% full on 2026-09-09

Statewide Conservation Storage

Summary

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-09 73.8 27,194,014 23,277,371 31,558,535
Yesterday 2026-09-08 73.8 27,212,056 23,291,064 31,558,535
2 days ago 2026-09-07 73.9 27,252,180 23,324,771 31,558,535
1 week ago 2026-09-02 74.2 27,368,365 23,432,005 31,558,535
1 month ago 2026-08-09 77.2 28,523,602 24,374,215 31,558,535
3 months ago 2026-06-09 76.4 28,645,579 24,115,710 31,558,535
6 months ago 2026-03-09 73.7 27,034,147 23,245,453 31,531,332
1 year ago 2025-09-09 77.2 28,351,983 24,356,224 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 2026-09-08 Water Supply 9.2 1,992.41 -19.89 730 730 7,900 149
Addicks 1as of 2026-09-08 Flood Control - n.a. - 76.41 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Alan Henryas of 2026-09-08 Water Supply 72.1 2,209.01 -10.99 69,383 69,383 96,207 2,144
Amistad 2 Water Supply and Flood Control 39.1 1,056.55 -60.45 775,082 709,055 1,813,408 20,755
Amon G Carter Water Supply 76.6 916.66 -3.34 15,549 14,765 19,266 1,247
Aquillaas of 2026-09-08 Water Supply and Flood Control 87.4 535.67 -1.83 37,843 37,807 43,243 2,827
Arlingtonas of 2026-09-08 Water Supply 73.6 544.31 -5.69 29,596 29,564 40,157 1,808
Arrowheadas of 2026-09-08 Water Supply 72.1 921.16 -4.84 166,192 166,192 230,359 12,010
Athensas of 2026-09-08 Water Supply 93.9 439.00 -1.00 27,747 27,706 29,503 1,695
Austin Water Supply 97.8 492.46 -0.34 24,047 23,438 23,972 1,560
B A Steinhagenas of 2026-09-08 Water Supply 97.8 82.85 -0.15 67,736 67,663 69,186 10,097
Bardwellas of 2026-09-08 Water Supply and Flood Control 89.4 419.55 -1.45 39,279 39,218 43,856 3,105
Barker 3 Flood Control - n.a. - 71.71 - n.a. - - n.a. - - n.a. - - n.a. - - n.a. -
Belton Water Supply and Flood Control 97.1 592.99 -1.01 420,196 420,196 432,631 12,180
Benbrook Water Supply and Flood Control 76.7 688.10 -5.90 65,733 65,733 85,648 3,094
Bob Sandlin Water Supply 90.6 335.42 -2.08 185,083 174,352 192,417 8,482
Bois d'Arcas of 2026-09-08 Water Supply 92.3 532.23 -1.77 339,162 339,162 367,609 15,760
Bonham Water Supply 81.8 563.01 -1.99 9,036 9,024 11,027 961
Brady Creekas of 2026-09-08 Water Supply 86.2 1,740.92 -2.08 26,453 24,831 28,808 1,845
Bridgeportas of 2026-09-08 Water Supply and Flood Control 76.9 828.48 -7.52 286,187 286,187 372,183 10,611
Brownwoodas of 2026-09-08 Water Supply 85.1 1,421.89 -2.71 111,333 111,333 130,868 6,174
Buchanan Water Supply 96.9 1,018.81 -1.19 853,793 840,131 866,694 22,202
Caddo 4as of 2026-09-08 Water Supply 77.6 168.04 -0.46 115,578 23,186 29,898 25,584
Canyonas of 2026-09-08 Water Supply and Flood Control 99.8 908.93 -0.07 378,276 378,205 378,781 8,250
Cedar Creek Water Supply 75.2 316.70 -5.30 484,945 484,846 644,686 27,735
Champion Creek Water Supply 42.6 2,062.61 -20.39 17,706 17,706 41,580 861
Cherokeeas of 2026-09-08 Water Supply 85.1 278.16 -1.84 38,515 34,133 40,094 3,211
Choke Canyon Water Supply 22.9 191.66 -28.84 151,974 151,973 662,820 10,589
Ciscoas of 2026-09-08 Water Supply 43.5 1,503.49 -18.97 12,602 12,602 29,003 590
Colemanas of 2026-09-08 Water Supply 79.9 1,713.09 -4.41 30,430 30,412 38,075 1,656
Coleto Creek Water Supply 73.9 94.53 -3.47 22,941 22,941 31,040 2,161
Colorado City Water Supply 53.8 2,059.00 -11.20 16,553 16,553 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 95.1 199.96 -1.04 397,207 397,180 417,577 19,332
Corpus Christi Water Supply 87.4 92.32 -1.68 223,998 223,720 256,062 18,754
Crook Water Supply 87.7 474.90 -1.10 8,076 8,061 9,195 1,014
Cypress Springsas of 2026-09-08 Water Supply 91.5 376.21 -1.79 61,084 61,084 66,756 3,107
E V Spence Water Supply 9.8 1,842.82 -55.18 50,567 50,567 517,272 3,322
Eagle Mountain Water Supply and Flood Control 74.0 643.37 -5.73 136,913 136,913 185,087 7,711
Elephant Butte 5as of 2026-09-08 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 21.8 261.72 -39.48 473,902 340,175 1,562,367 28,767
Forkas of 2026-09-08 Water Supply 83.4 399.00 -4.00 537,054 505,611 606,088 23,640
Fort Phantom Hillas of 2026-09-08 Water Supply 68.4 1,629.46 -6.44 47,919 47,913 70,030 3,014
Georgetown Water Supply and Flood Control 82.3 785.54 -5.46 31,332 31,269 38,005 1,163
Gibbons Creek Water Supply 89.7 245.93 -1.07 24,772 23,068 25,721 2,329
Grahamas of 2026-09-08 Water Supply 67.0 1,068.28 -6.72 30,349 30,335 45,288 1,946
Granbury Water Supply 87.7 690.60 -2.10 117,501 116,592 132,949 7,406
Granger Water Supply and Flood Control 100.0 504.05 0.05 52,028 51,822 51,822 - n.a. -
Grapevineas of 2026-09-08 Water Supply and Flood Control 93.0 533.22 -1.78 151,688 151,688 163,064 6,213
Greenbeltas of 2026-09-08 Water Supply 4.8 2,607.56 -56.44 3,334 2,902 59,968 282
Halbertas of 2026-09-08 Water Supply 73.9 365.11 -2.89 4,460 4,460 6,033 511
Hords Creekas of 2026-09-08 Water Supply and Flood Control 47.1 1,888.84 -11.16 3,824 3,821 8,109 277
Houstonas of 2026-09-08 Water Supply 100.0 42.61 0.23 138,763 132,318 132,318 - n.a. -
Houston Countyas of 2026-09-08 Water Supply 95.3 259.37 -0.63 16,860 16,308 17,113 1,264
Hubbard Creekas of 2026-09-08 Water Supply 37.2 1,166.54 -16.77 121,318 116,442 313,298 8,122
Hubert H Mossas of 2026-09-08 Water Supply 91.2 712.99 -2.01 22,033 21,936 24,058 1,031
Inks Water Supply 94.9 887.12 -0.88 13,312 13,029 13,729 783
J B Thomasas of 2026-09-08 Water Supply 21.1 2,226.75 -31.25 42,798 42,125 199,931 3,165
Jacksonvilleas of 2026-09-08 Water Supply 97.8 421.52 -0.48 25,179 25,117 25,670 1,145
Jim Chapmanas of 2026-09-08 Water Supply and Flood Control 73.7 435.95 -4.05 226,331 190,556 258,723 15,629
Joe Pool Water Supply and Flood Control 91.9 520.12 -1.88 138,904 137,534 149,629 6,197
Kempas of 2026-09-08 Water Supply and Flood Control 72.2 1,139.18 -4.82 177,280 177,154 245,307 9,605
Kickapooas of 2026-09-08 Water Supply 80.1 1,041.88 -3.12 69,156 69,156 86,345 5,155
Lake O' the Pinesas of 2026-09-08 Water Supply and Flood Control 86.6 227.99 -2.01 232,459 232,459 268,566 17,285
Lavon Water Supply and Flood Control 83.6 488.64 -3.36 345,566 342,725 409,757 19,236
Leonas of 2026-09-08 Water Supply 77.8 1,371.16 -3.84 21,886 21,606 27,762 1,455
Lewisvilleas of 2026-09-08 Water Supply and Flood Control 87.2 519.25 -2.75 527,047 491,373 563,228 25,278
Limestone Water Supply 88.8 361.12 -1.88 181,055 181,055 203,780 11,705
Livingston Water Supply 94.0 129.74 -1.26 1,508,095 1,508,095 1,603,504 74,085
Lost Creekas of 2026-09-08 Water Supply 88.9 1,005.92 -3.58 10,625 10,625 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 2026-09-08 Water Supply 11.0 3,018.81 -81.19 5,094 5,094 46,450 237
Marble Falls Water Supply 96.2 736.52 -0.48 7,305 7,305 7,597 604
Martinas of 2026-09-08 Water Supply 83.1 303.28 -2.72 62,924 62,924 75,726 4,459
Medina Water Supply 29.5 1,021.52 -42.68 75,205 75,205 254,823 2,512
Meredith 6as of 2026-09-08 Water Supply 41.0 2,889.16 -47.34 243,451 205,037 500,000 7,382
Millers Creekas of 2026-09-08 Water Supply 59.4 1,327.93 -6.07 17,172 15,889 26,768 1,411
Mineral Wellsas of 2026-09-08 Water Supply 86.7 861.44 -1.56 4,572 4,572 5,273 436
Monticelloas of 2026-09-08 Water Supply 75.4 335.33 -4.67 26,208 26,208 34,740 1,589
Mountain Creekas of 2026-09-08 Water Supply 99.2 456.92 -0.08 22,668 22,668 22,850 2,678
Murvaul Water Supply 90.0 264.16 -1.14 34,449 34,449 38,285 3,298
Nacogdochesas of 2026-09-08 Water Supply 88.0 276.73 -2.27 34,800 34,798 39,522 1,984
Nasworthyas of 2026-09-08 Water Supply 86.3 1,871.78 -0.93 8,787 8,294 9,615 1,238
Navarro Millsas of 2026-09-08 Water Supply and Flood Control 81.9 422.51 -1.99 40,832 40,831 49,827 4,356
New Terrell Cityas of 2026-09-08 Water Supply 25.5 493.72 -10.28 2,203 2,192 8,583 368
Noconaas of 2026-09-08 Water Supply 73.1 822.91 -4.59 15,987 15,683 21,444 1,161
North Fork Buffalo Creekas of 2026-09-08 Water Supply 74.6 1,045.46 -2.54 11,493 11,493 15,400 1,242
O C Fisher Water Supply and Flood Control 11.4 1,872.87 -35.13 13,207 13,206 115,742 1,165
O H Ivieas of 2026-09-08 Water Supply 43.1 1,530.19 -21.31 238,824 238,824 554,340 - n.a. -
Oak Creekas of 2026-09-08 Water Supply 14.5 1,973.98 -26.02 5,822 5,672 39,210 538
Palestineas of 2026-09-08 Water Supply 91.8 343.67 -1.33 337,365 337,356 367,303 21,923
Palo Duroas of 2026-09-08 Water Supply and Flood Control 0.4 2,826.33 -65.67 231 231 61,066 - n.a. -
Palo Pintoas of 2026-09-08 Water Supply 80.5 864.55 -2.45 21,944 21,558 26,766 2,077
Pat Cleburne Water Supply 87.4 731.36 -2.14 22,727 22,727 26,008 1,502
Pat Mayseas of 2026-09-08 Water Supply and Flood Control 94.1 449.79 -1.21 111,100 106,940 113,683 5,509
Possum Kingdom Water Supply 87.4 995.01 -3.99 470,402 470,402 538,139 15,941
Proctoras of 2026-09-08 Water Supply and Flood Control 64.8 1,157.38 -4.62 35,494 35,494 54,762 3,590
Ray Hubbard Water Supply 87.1 432.68 -2.82 382,887 382,887 439,559 19,604
Ray Robertsas of 2026-09-08 Water Supply and Flood Control 95.5 631.22 -1.28 752,712 752,389 788,167 27,558
Red Bluff Water Supply 44.8 2,814.43 -13.67 64,973 64,973 145,165 4,464
Richland-Chambers Water Supply 91.3 312.78 -2.22 1,029,769 1,003,986 1,099,417 42,100
Sam Rayburnas of 2026-09-08 Water Supply and Flood Control 67.0 154.98 -9.42 1,933,274 1,914,318 2,857,077 86,039
Somerville Water Supply and Flood Control 93.0 237.04 -0.96 139,707 139,707 150,293 10,807
Stamfordas of 2026-09-08 Water Supply 65.6 1,413.03 -3.77 33,844 33,841 51,570 3,744
Stillhouse Hollow Water Supply and Flood Control 98.1 621.32 -0.68 225,543 225,457 229,796 6,331
Strikeras of 2026-09-08 Water Supply 80.9 291.30 -1.70 18,574 13,652 16,878 1,849
Sulphur Springsas of 2026-09-08 Water Supply 89.4 457.91 -1.04 15,867 15,867 17,747 - n.a. -
Sweetwateras of 2026-09-08 Water Supply 17.5 2,090.97 -25.53 2,144 2,144 12,267 209
Tawakonias of 2026-09-08 Water Supply 93.4 435.90 -1.60 813,835 813,827 871,685 35,433
Texana Water Supply 86.9 41.88 -2.12 143,320 138,107 158,975 9,397
Texoma 7 Water Supply and Flood Control 96.7 615.89 -1.11 2,405,243 1,202,621 1,243,801 72,633
Toledo Bend 8 Water Supply 88.1 168.75 -3.25 3,942,756 1,969,328 2,236,450 166,919
Travis Water Supply and Flood Control 93.6 677.24 -3.76 1,045,110 1,028,078 1,098,044 18,183
Twin Buttes Water Supply and Flood Control 5.7 1,896.69 -43.51 14,212 10,463 182,454 1,153
Tyleras of 2026-09-08 Water Supply 89.3 373.68 -1.70 69,578 64,367 72,073 4,367
Wacoas of 2026-09-08 Water Supply and Flood Control 89.4 459.79 -2.43 169,125 168,899 188,891 7,993
Waxahachieas of 2026-09-08 Water Supply 80.3 528.00 -3.50 9,465 8,883 11,060 580
Weatherfordas of 2026-09-08 Water Supply 56.2 887.92 -8.08 10,019 10,019 17,812 861
White Riveras of 2026-09-08 Water Supply 21.9 2,349.36 -22.84 6,960 6,960 31,846 674
Whitneyas of 2026-09-08 Water Supply and Flood Control 93.5 531.36 -1.64 529,318 527,964 564,808 21,731
Worthas of 2026-09-08 Water Supply 67.0 591.54 -2.46 25,429 16,353 24,419 3,114
Wright Patmanas of 2026-09-08 Water Supply and Flood Control 100.0 225.82 5.22 256,073 122,593 122,593 - 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.