Austin Area Reservoirs: Monitored Water Supply Reservoirs are 86.0% full on 2026-05-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-18 | 86.0 | 1,955,841 | 1,920,201 | 2,232,539 |
| Yesterday | 2026-05-17 | 86.0 | 1,956,778 | 1,921,073 | 2,232,539 |
| 2 days ago | 2026-05-16 | 86.1 | 1,958,028 | 1,922,192 | 2,232,539 |
| 1 week ago | 2026-05-11 | 86.1 | 1,957,874 | 1,922,691 | 2,232,539 |
| 1 month ago | 2026-04-18 | 84.2 | 1,910,160 | 1,879,317 | 2,232,539 |
| 3 months ago | 2026-02-18 | 85.5 | 1,940,148 | 1,909,305 | 2,232,539 |
| 6 months ago | 2025-11-18 | 87.3 | 1,980,489 | 1,949,646 | 2,232,539 |
| 1 year ago | 2025-05-18 | 51.1 | 1,171,526 | 1,140,683 | 2,232,539 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Buchanan |
|
97.4 | 1,018.98 | -1.02 | 857,570 | 843,908 | 866,694 | 22,235 |
| Georgetown |
|
95.9 | 789.80 | -1.20 | 36,521 | 36,458 | 38,005 | 1,272 |
| Stillhouse Hollow |
|
100.0 | 622.74 | 0.74 | 234,679 | 229,796 | 229,796 | - n.a. - |
| Travis |
|
73.8 | 664.11 | -16.89 | 827,071 | 810,039 | 1,098,044 | 15,064 |