Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 61.0% full on 2026-03-16
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-03-16 | 61.0 | 250,032 | 249,961 | 409,821 |
| Yesterday | 2026-03-15 | 61.0 | 250,251 | 250,180 | 409,821 |
| 2 days ago | 2026-03-14 | 61.1 | 250,310 | 250,239 | 409,821 |
| 1 week ago | 2026-03-09 | 61.2 | 250,963 | 250,892 | 409,821 |
| 1 month ago | 2026-02-16 | 61.8 | 253,335 | 253,264 | 409,821 |
| 3 months ago | 2025-12-16 | 63.4 | 260,052 | 259,981 | 409,821 |
| 6 months ago | 2025-09-16 | 68.9 | 282,386 | 282,315 | 409,821 |
| 1 year ago | 2025-03-16 | 50.7 | 207,897 | 207,826 | 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 |
|
59.7 | 887.23 | -21.77 | 226,228 | 226,157 | 378,781 | 5,870 |
| Coleto Creek |
|
76.7 | 94.93 | -3.07 | 23,804 | 23,804 | 31,040 | 2,220 |