Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.4% full on 2026-05-08
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-05-08 | 60.4 | 2,484,703 | 2,427,568 | 4,019,576 |
| 1 day prior | 2026-05-07 | 60.4 | 2,484,911 | 2,427,776 | 4,019,576 |
| 2 days prior | 2026-05-06 | 60.4 | 2,485,081 | 2,427,946 | 4,019,576 |
| 1 week prior | 2026-05-01 | 60.4 | 2,484,092 | 2,426,957 | 4,019,576 |
| 1 month prior | 2026-04-08 | 59.4 | 2,446,280 | 2,389,145 | 4,019,576 |
| 3 months prior | 2026-02-08 | 61.1 | 2,514,702 | 2,457,567 | 4,019,576 |
| 6 months prior | 2025-11-08 | 62.7 | 2,578,950 | 2,521,815 | 4,019,576 |
| 1 year prior | 2025-05-08 | 43.3 | 1,798,001 | 1,738,849 | 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 |
|
94.5 | 491.96 | -0.84 | 23,274 | 22,665 | 23,972 | 1,532 |
| Brady Creek |
|
95.8 | 1,742.36 | -0.64 | 29,222 | 27,600 | 28,808 | 1,974 |
| Brownwood |
|
81.8 | 1,421.19 | -3.41 | 107,061 | 107,061 | 130,868 | 6,030 |
| Buchanan |
|
96.8 | 1,018.75 | -1.25 | 852,461 | 838,799 | 866,694 | 22,191 |
| Champion Creek |
|
39.2 | 2,061.05 | -21.95 | 16,286 | 16,286 | 41,580 | 824 |
| Coleman |
|
86.9 | 1,714.68 | -2.82 | 33,111 | 33,093 | 38,075 | 1,715 |
| Colorado City |
|
51.9 | 2,058.44 | -11.76 | 15,959 | 15,959 | 30,758 | - n.a. - |
| E V Spence |
|
11.2 | 1,845.00 | -53.00 | 58,173 | 58,173 | 517,272 | 3,690 |
| Hords Creek |
|
54.1 | 1,890.77 | -9.23 | 4,392 | 4,389 | 8,109 | 312 |
| Inks |
|
96.2 | 887.34 | -0.66 | 13,486 | 13,203 | 13,729 | 792 |
| J B Thomas |
|
25.9 | 2,229.70 | -28.30 | 52,538 | 51,865 | 199,931 | 3,456 |
| Lyndon B Johnson |
|
97.8 | 824.61 | -0.39 | 129,117 | 110,277 | 112,778 | 6,395 |
| Marble Falls |
|
96.1 | 736.51 | -0.49 | 7,299 | 7,299 | 7,597 | 604 |
| Nasworthy |
|
85.5 | 1,871.72 | -0.99 | 8,713 | 8,220 | 9,615 | 1,234 |
| O C Fisher |
|
14.1 | 1,875.36 | -32.64 | 16,303 | 16,302 | 115,742 | 1,324 |
| O H Ivie |
|
46.7 | 1,532.03 | -19.47 | 259,134 | 259,134 | 554,340 | - n.a. - |
| Oak Creek |
|
17.9 | 1,976.29 | -23.71 | 7,162 | 7,012 | 39,210 | 631 |
| Travis |
|
73.9 | 664.22 | -16.78 | 828,729 | 811,697 | 1,098,044 | 15,089 |
| Twin Buttes |
|
10.2 | 1,902.73 | -37.47 | 22,283 | 18,534 | 182,454 | 1,552 |