Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.1% full on 2026-04-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-04-18 | 60.1 | 2,473,539 | 2,416,404 | 4,019,576 |
| 1 day prior | 2026-04-17 | 60.1 | 2,472,544 | 2,415,409 | 4,019,576 |
| 2 days prior | 2026-04-16 | 60.1 | 2,473,533 | 2,416,398 | 4,019,576 |
| 1 week prior | 2026-04-11 | 59.3 | 2,439,596 | 2,382,461 | 4,019,576 |
| 1 month prior | 2026-03-18 | 60.4 | 2,485,881 | 2,428,746 | 4,019,576 |
| 3 months prior | 2026-01-18 | 61.4 | 2,525,375 | 2,468,240 | 4,019,576 |
| 6 months prior | 2025-10-18 | 63.5 | 2,609,924 | 2,552,789 | 4,019,576 |
| 1 year prior | 2025-04-18 | 42.5 | 1,764,886 | 1,707,751 | 4,019,576 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
Area 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 |
|
97.1 | 492.36 | -0.44 | 23,891 | 23,282 | 23,972 | 1,554 |
| Brady Creek |
|
95.2 | 1,742.27 | -0.73 | 29,040 | 27,418 | 28,808 | 1,966 |
| Brownwood |
|
82.6 | 1,421.37 | -3.23 | 108,150 | 108,150 | 130,868 | 6,067 |
| Buchanan |
|
96.0 | 1,018.44 | -1.56 | 845,591 | 831,929 | 866,694 | 22,134 |
| Champion Creek |
|
39.9 | 2,061.38 | -21.62 | 16,603 | 16,603 | 41,580 | 832 |
| Coleman |
|
87.8 | 1,714.87 | -2.63 | 33,438 | 33,420 | 38,075 | 1,730 |
| Colorado City |
|
53.0 | 2,058.77 | -11.43 | 16,309 | 16,309 | 30,758 | - n.a. - |
| E V Spence |
|
11.5 | 1,845.41 | -52.59 | 59,714 | 59,714 | 517,272 | 3,792 |
| Hords Creek |
|
54.9 | 1,890.98 | -9.02 | 4,456 | 4,453 | 8,109 | 316 |
| Inks |
|
95.0 | 887.14 | -0.86 | 13,328 | 13,045 | 13,729 | 784 |
| J B Thomas |
|
26.8 | 2,230.21 | -27.79 | 54,316 | 53,643 | 199,931 | 3,516 |
| Lyndon B Johnson |
|
98.7 | 824.78 | -0.22 | 130,205 | 111,365 | 112,778 | 6,411 |
| Marble Falls |
|
96.6 | 736.58 | -0.42 | 7,341 | 7,341 | 7,597 | 605 |
| Nasworthy |
|
86.9 | 1,871.83 | -0.88 | 8,849 | 8,356 | 9,615 | 1,241 |
| O C Fisher |
|
14.3 | 1,875.52 | -32.48 | 16,516 | 16,515 | 115,742 | 1,330 |
| O H Ivie |
|
47.1 | 1,532.19 | -19.31 | 260,980 | 260,980 | 554,340 | - n.a. - |
| Oak Creek |
|
18.4 | 1,976.64 | -23.36 | 7,372 | 7,222 | 39,210 | 645 |
| Travis |
|
72.7 | 663.29 | -17.71 | 814,793 | 797,761 | 1,098,044 | 14,882 |
| Twin Buttes |
|
10.4 | 1,902.97 | -37.23 | 22,647 | 18,898 | 182,454 | 1,569 |