Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 98.1% full on 2026-09-05
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-09-05 | 98.1 | 402,525 | 401,959 | 409,821 |
| 1 day prior | 2026-09-04 | 98.1 | 402,837 | 402,024 | 409,821 |
| 2 days prior | 2026-09-03 | 98.1 | 403,232 | 402,089 | 409,821 |
| 1 week prior | 2026-08-29 | 98.2 | 404,935 | 402,305 | 409,821 |
| 1 month prior | 2026-08-05 | 98.5 | 413,619 | 403,748 | 409,821 |
| 3 months prior | 2026-06-05 | 60.8 | 249,158 | 249,087 | 409,821 |
| 6 months prior | 2026-03-05 | 61.3 | 251,094 | 251,023 | 409,821 |
| 1 year prior | 2025-09-05 | 69.3 | 283,891 | 283,820 | 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 |
|
100.0 | 909.05 | 0.05 | 379,264 | 378,781 | 378,781 | - n.a. - |
| Coleto Creek |
|
74.5 | 94.62 | -3.38 | 23,135 | 23,135 | 31,040 | 2,175 |