Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.5% full on 2025-12-19
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-12-19 | 63.5 | 260,186 | 260,115 | 409,821 |
| Yesterday | 2025-12-18 | 63.5 | 260,269 | 260,198 | 409,821 |
| 2 days ago | 2025-12-17 | 63.5 | 260,203 | 260,132 | 409,821 |
| 1 week ago | 2025-12-12 | 63.6 | 260,764 | 260,693 | 409,821 |
| 1 month ago | 2025-11-19 | 64.6 | 265,005 | 264,934 | 409,821 |
| 3 months ago | 2025-09-19 | 68.7 | 281,445 | 281,374 | 409,821 |
| 6 months ago | 2025-06-19 | 50.9 | 209,612 | 208,506 | 409,821 |
| 1 year ago | 2024-12-19 | 52.7 | 215,960 | 215,889 | 409,821 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
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 |
|
62.3 | 888.91 | -20.09 | 236,231 | 236,160 | 378,781 | 6,038 |
| Coleto Creek |
|
77.2 | 95.00 | -3.00 | 23,955 | 23,955 | 31,040 | 2,230 |