Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 94.8% full on 2026-08-22
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-08-22 | 94.8 | 285,209 | 276,195 | 291,293 |
| Yesterday | 2026-08-21 | 95.0 | 285,615 | 276,601 | 291,293 |
| 2 days ago | 2026-08-20 | 95.2 | 286,232 | 277,218 | 291,293 |
| 1 week ago | 2026-08-15 | 96.4 | 289,826 | 280,812 | 291,293 |
| 1 month ago | 2026-07-22 | 99.2 | 298,737 | 289,014 | 291,293 |
| 3 months ago | 2026-05-22 | 86.5 | 260,984 | 251,970 | 291,293 |
| 6 months ago | 2026-02-22 | 77.0 | 233,505 | 224,261 | 291,293 |
| 1 year ago | 2025-08-22 | 94.7 | 286,802 | 275,951 | 291,293 |
*
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) |
|---|---|---|---|---|---|---|---|---|
| Addicks 1 |
|
- n.a. - | 76.42 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.36 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
98.8 | 42.24 | -0.14 | 134,522 | 130,721 | 132,318 | 11,381 |
| Texana |
|
91.5 | 42.65 | -1.35 | 150,687 | 145,474 | 158,975 | 9,728 |
footnotes
1
Addicks Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.
2
Barker Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.