Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 68.8% full on 2025-09-17
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-09-17 | 68.8 | 282,060 | 281,989 | 409,821 |
| Yesterday | 2025-09-16 | 68.9 | 282,386 | 282,315 | 409,821 |
| 2 days ago | 2025-09-15 | 69.0 | 282,651 | 282,580 | 409,821 |
| 1 week ago | 2025-09-10 | 69.3 | 283,969 | 283,898 | 409,821 |
| 1 month ago | 2025-08-17 | 70.2 | 287,874 | 287,803 | 409,821 |
| 3 months ago | 2025-06-17 | 50.9 | 209,308 | 208,557 | 409,821 |
| 6 months ago | 2025-03-17 | 50.6 | 207,596 | 207,525 | 409,821 |
| 1 year ago | 2024-09-17 | 58.1 | 238,102 | 238,031 | 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 |
|
67.2 | 891.88 | -17.12 | 254,610 | 254,539 | 378,781 | 6,339 |
| Coleto Creek |
|
88.4 | 96.49 | -1.51 | 27,450 | 27,450 | 31,040 | 2,440 |