San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 35.1% full on 2026-05-08
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-05-08 | 35.1 | 306,433 | 302,190 | 862,151 |
| 1 day prior | 2026-05-07 | 35.0 | 306,378 | 302,135 | 862,151 |
| 2 days prior | 2026-05-06 | 35.1 | 306,697 | 302,454 | 862,151 |
| 1 week prior | 2026-05-01 | 35.2 | 308,001 | 303,758 | 862,151 |
| 1 month prior | 2026-04-08 | 34.0 | 297,445 | 293,202 | 862,151 |
| 3 months prior | 2026-02-08 | 35.1 | 306,725 | 302,482 | 862,151 |
| 6 months prior | 2025-11-08 | 36.2 | 316,302 | 312,059 | 862,151 |
| 1 year prior | 2025-05-08 | 31.4 | 275,280 | 271,037 | 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 |
|
85.5 | 1,871.72 | -0.99 | 8,713 | 8,220 | 9,615 | 1,234 |
| O C Fisher |
|
14.1 | 1,875.36 | -32.64 | 16,303 | 16,302 | 115,742 | 1,324 |
| O H Ivie |
|
46.7 | 1,532.03 | -19.47 | 259,134 | 259,134 | 554,340 | - n.a. - |
| Twin Buttes |
|
10.2 | 1,902.73 | -37.47 | 22,283 | 18,534 | 182,454 | 1,552 |