Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.7% full on 2026-05-31
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-31 | 60.7 | 248,899 | 248,828 | 409,821 |
| Yesterday | 2026-05-30 | 60.7 | 248,840 | 248,769 | 409,821 |
| 2 days ago | 2026-05-29 | 60.7 | 248,850 | 248,779 | 409,821 |
| 1 week ago | 2026-05-24 | 60.1 | 246,492 | 246,421 | 409,821 |
| 1 month ago | 2026-04-30 | 60.1 | 246,208 | 246,137 | 409,821 |
| 3 months ago | 2026-02-28 | 61.4 | 251,722 | 251,651 | 409,821 |
| 6 months ago | 2025-11-30 | 64.3 | 263,464 | 263,393 | 409,821 |
| 1 year ago | 2025-05-31 | 48.7 | 199,762 | 199,691 | 409,821 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Canyon |
|
59.1 | 886.81 | -22.19 | 223,772 | 223,701 | 378,781 | 5,828 |
| Coleto Creek |
|
81.0 | 95.51 | -2.49 | 25,127 | 25,127 | 31,040 | 2,301 |