Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 66.6% full on 2025-09-06
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-09-06 | 66.6 | 2,732,509 | 2,675,374 | 4,019,576 |
| Yesterday | 2025-09-05 | 66.6 | 2,734,183 | 2,677,048 | 4,019,576 |
| 2 days ago | 2025-09-04 | 66.7 | 2,737,438 | 2,680,303 | 4,019,576 |
| 1 week ago | 2025-08-30 | 66.9 | 2,746,634 | 2,689,499 | 4,019,576 |
| 1 month ago | 2025-08-06 | 68.6 | 2,815,705 | 2,758,570 | 4,019,576 |
| 3 months ago | 2025-06-06 | 44.4 | 1,843,680 | 1,784,653 | 4,019,576 |
| 6 months ago | 2025-03-06 | 44.3 | 1,835,875 | 1,778,740 | 4,019,576 |
| 1 year ago | 2024-09-06 | 47.0 | 1,926,308 | 1,869,173 | 3,975,089 |
*
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 |
|
95.1 | 492.04 | -0.76 | 23,397 | 22,788 | 23,972 | 1,536 |
| Brady Creek |
|
94.6 | 1,742.18 | -0.82 | 28,860 | 27,238 | 28,808 | 1,958 |
| Brownwood |
|
93.0 | 1,423.53 | -1.07 | 121,735 | 121,735 | 130,868 | 6,512 |
| Buchanan |
|
97.4 | 1,018.99 | -1.01 | 857,793 | 844,131 | 866,694 | 22,237 |
| Champion Creek |
|
44.4 | 2,063.47 | -19.53 | 18,473 | 18,473 | 41,580 | 883 |
| Coleman |
|
91.6 | 1,715.70 | -1.80 | 34,885 | 34,867 | 38,075 | 1,755 |
| Colorado City |
|
60.8 | 2,060.93 | -9.27 | 18,713 | 18,713 | 30,758 | - n.a. - |
| E V Spence |
|
14.2 | 1,848.81 | -49.19 | 73,281 | 73,281 | 517,272 | 4,308 |
| Hords Creek |
|
64.0 | 1,893.17 | -6.83 | 5,190 | 5,187 | 8,109 | 357 |
| Inks |
|
94.4 | 887.04 | -0.96 | 13,249 | 12,966 | 13,729 | 778 |
| J B Thomas |
|
35.4 | 2,234.70 | -23.30 | 71,413 | 70,740 | 199,931 | 4,100 |
| Lyndon B Johnson |
|
98.9 | 824.80 | -0.20 | 130,333 | 111,493 | 112,778 | 6,413 |
| Marble Falls |
|
95.2 | 736.40 | -0.60 | 7,233 | 7,233 | 7,597 | 602 |
| Nasworthy |
|
85.2 | 1,871.70 | -1.01 | 8,689 | 8,196 | 9,615 | 1,232 |
| O C Fisher |
|
16.9 | 1,877.63 | -30.37 | 19,520 | 19,519 | 115,742 | 1,536 |
| O H Ivie |
|
51.3 | 1,534.16 | -17.34 | 284,204 | 284,204 | 554,340 | - n.a. - |
| Oak Creek |
|
22.8 | 1,979.20 | -20.80 | 9,083 | 8,933 | 39,210 | 755 |
| Travis |
|
87.3 | 673.35 | -7.65 | 976,168 | 959,136 | 1,098,044 | 17,232 |
| Twin Buttes |
|
14.5 | 1,907.35 | -32.85 | 30,290 | 26,541 | 182,454 | 1,976 |