San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 39.5% full on 2025-08-30
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-08-30 | 39.5 | 344,740 | 340,497 | 862,151 |
| Yesterday | 2025-08-29 | 39.5 | 345,060 | 340,817 | 862,151 |
| 2 days ago | 2025-08-28 | 39.6 | 345,456 | 341,213 | 862,151 |
| 1 week ago | 2025-08-23 | 39.9 | 348,422 | 344,179 | 862,151 |
| 1 month ago | 2025-07-30 | 41.5 | 361,739 | 357,496 | 862,151 |
| 3 months ago | 2025-05-30 | 31.1 | 272,350 | 268,107 | 862,151 |
| 6 months ago | 2025-02-28 | 29.3 | 256,479 | 252,236 | 862,151 |
| 1 year ago | 2024-08-30 | 19.1 | 168,855 | 164,612 | 862,151 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Nasworthy |
|
85.1 | 1,871.69 | -1.02 | 8,676 | 8,183 | 9,615 | 1,232 |
| O C Fisher |
|
17.1 | 1,877.80 | -30.20 | 19,779 | 19,778 | 115,742 | 1,554 |
| O H Ivie |
|
51.5 | 1,534.28 | -17.22 | 285,679 | 285,679 | 554,340 | - n.a. - |
| Twin Buttes |
|
14.7 | 1,907.51 | -32.69 | 30,606 | 26,857 | 182,454 | 1,994 |