Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are - n.a. -% full on 2025-05-02

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-05-02 - n.a. - - n.a. - - n.a. - - n.a. -
Yesterday 2025-05-01 43.6 1,792,615 1,731,666 3,975,089
2 days ago 2025-04-30 43.1 1,792,387 1,730,787 4,019,576
1 week ago 2025-04-25 43.1 1,798,282 1,733,623 4,019,576
1 month ago 2025-04-02 43.2 1,793,825 1,736,690 4,019,576
3 months ago 2025-02-02 44.9 1,863,394 1,806,259 4,019,576
6 months ago 2024-11-02 44.6 1,848,479 1,791,344 4,019,576
1 year ago 2024-05-02 36.0 1,488,775 1,431,640 3,975,089
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage map

Reservoir Storage

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)
Austin Water Supply 95.6 492.12 -0.68 23,520 22,911 23,972 1,541
Brady Creek Water Supply 30.9 1,728.21 -14.79 10,533 8,911 28,808 874
Brownwood Water Supply 100.0 1,425.33 0.73 133,790 130,868 130,868 6,882
Buchanan Water Supply 55.6 998.75 -19.25 470,741 457,079 822,207 15,244
Champion Creek Water Supply 49.4 2,065.64 -17.36 20,537 20,537 41,580 939
Coleman Water Supply 100.0 1,717.99 0.49 38,985 38,075 38,075 1,827
Colorado City Water Supply 69.8 2,063.19 -7.01 21,456 21,456 30,758 - n.a. -
E V Spence Water Supply 15.8 1,850.74 -47.26 81,820 81,820 517,272 4,534
Hords Creek Water Supply and Flood Control 61.7 1,892.65 -7.35 5,008 5,005 8,109 346
Inks Water Supply 94.8 887.10 -0.90 13,296 13,013 13,729 781
J B Thomas Water Supply 37.9 2,235.91 -22.09 76,459 75,786 199,931 4,237
Lyndon B Johnson Water Supply 98.1 824.66 -0.34 129,436 110,596 112,778 6,400
Marble Falls Water Supply 96.0 736.50 -0.50 7,293 7,293 7,597 604
Nasworthy Water Supply 92.4 1,871.74 -0.46 9,377 8,884 9,615 1,273
O C Fisher Water Supply and Flood Control 9.7 1,871.04 -36.96 11,235 11,234 115,742 1,006
O H Ivie Water Supply 40.2 1,528.69 -22.81 223,106 223,106 554,340 - n.a. -
Oak Creek Water Supply 28.2 1,981.87 -18.13 11,190 11,040 39,210 880
Travis Water Supply and Flood Control 41.8 635.70 -45.30 476,096 459,064 1,098,044 9,986
Twin Buttes Water Supply 13.7 1,906.54 -33.66 28,737 24,988 182,454 1,886