Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 98.6% full on 2026-07-30
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-07-30 | 98.6 | 412,821 | 403,954 | 409,821 |
| Yesterday | 2026-07-29 | 98.6 | 412,524 | 403,908 | 409,821 |
| 2 days ago | 2026-07-28 | 98.7 | 412,437 | 404,322 | 409,821 |
| 1 week ago | 2026-07-23 | 98.8 | 408,631 | 404,759 | 409,821 |
| 1 month ago | 2026-06-30 | 63.1 | 258,701 | 258,630 | 409,821 |
| 3 months ago | 2026-04-30 | 60.1 | 246,208 | 246,137 | 409,821 |
| 6 months ago | 2026-01-30 | 62.1 | 254,410 | 254,339 | 409,821 |
| 1 year ago | 2025-07-30 | 70.6 | 289,507 | 289,436 | 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 |
|
100.0 | 910.06 | 1.06 | 387,648 | 378,781 | 378,781 | - n.a. - |
| Coleto Creek |
|
81.1 | 95.53 | -2.47 | 25,173 | 25,173 | 31,040 | 2,304 |