South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 70.7% full on 2026-09-21
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-21 | 70.7 | 469,657 | 469,586 | 664,644 |
| Yesterday | 2026-09-20 | 70.7 | 470,150 | 470,079 | 664,644 |
| 2 days ago | 2026-09-19 | 70.8 | 470,678 | 470,607 | 664,644 |
| 1 week ago | 2026-09-14 | 71.2 | 473,263 | 473,192 | 664,644 |
| 1 month ago | 2026-08-21 | 72.1 | 483,637 | 479,184 | 664,644 |
| 3 months ago | 2026-06-21 | 42.3 | 280,941 | 280,870 | 664,644 |
| 6 months ago | 2026-03-21 | 39.0 | 259,091 | 259,020 | 664,644 |
| 1 year ago | 2025-09-21 | 44.5 | 296,076 | 296,005 | 664,644 |
*
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 |
|
98.6 | 908.33 | -0.67 | 373,360 | 373,289 | 378,781 | 8,159 |
| Coleto Creek |
|
72.4 | 94.32 | -3.68 | 22,488 | 22,488 | 31,040 | 2,131 |
| Medina |
|
29.0 | 1,020.96 | -43.24 | 73,809 | 73,809 | 254,823 | 2,473 |