Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.2% full on 2026-06-20
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-06-20 | 63.2 | 258,935 | 258,864 | 409,821 |
| Yesterday | 2026-06-19 | 63.0 | 258,112 | 258,041 | 409,821 |
| 2 days ago | 2026-06-18 | 62.9 | 257,933 | 257,862 | 409,821 |
| 1 week ago | 2026-06-13 | 60.6 | 248,521 | 248,450 | 409,821 |
| 1 month ago | 2026-05-20 | 60.0 | 246,117 | 246,046 | 409,821 |
| 3 months ago | 2026-03-20 | 60.7 | 248,878 | 248,807 | 409,821 |
| 6 months ago | 2025-12-20 | 63.4 | 259,922 | 259,851 | 409,821 |
| 1 year ago | 2025-06-20 | 50.9 | 209,680 | 208,456 | 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 |
|
61.5 | 888.35 | -20.65 | 232,865 | 232,794 | 378,781 | 5,982 |
| Coleto Creek |
|
84.0 | 95.92 | -2.08 | 26,070 | 26,070 | 31,040 | 2,358 |