Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.0% full on 2026-05-20
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-20 | 60.0 | 246,074 | 246,003 | 409,821 |
| Yesterday | 2026-05-19 | 59.9 | 245,482 | 245,411 | 409,821 |
| 2 days ago | 2026-05-18 | 59.9 | 245,490 | 245,419 | 409,821 |
| 1 week ago | 2026-05-13 | 60.1 | 246,366 | 246,295 | 409,821 |
| 1 month ago | 2026-04-20 | 59.6 | 244,432 | 244,361 | 409,821 |
| 3 months ago | 2026-02-20 | 61.7 | 253,125 | 253,054 | 409,821 |
| 6 months ago | 2025-11-20 | 64.6 | 264,921 | 264,850 | 409,821 |
| 1 year ago | 2025-05-20 | 48.3 | 198,087 | 198,016 | 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 |
|
58.7 | 886.60 | -22.40 | 222,550 | 222,479 | 378,781 | 5,807 |
| Coleto Creek |
|
75.9 | 94.81 | -3.19 | 23,545 | 23,545 | 31,040 | 2,202 |