Houston Area Reservoirs: Monitored Water Supply Reservoirs are 99.5% full on 2026-07-27
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-07-27 | 99.5 | 2,145,689 | 2,141,861 | 2,153,399 |
| Yesterday | 2026-07-26 | 99.6 | 2,148,561 | 2,144,733 | 2,153,399 |
| 2 days ago | 2026-07-25 | 99.7 | 2,150,850 | 2,147,022 | 2,153,399 |
| 1 week ago | 2026-07-20 | 99.9 | 2,163,700 | 2,151,347 | 2,153,399 |
| 1 month ago | 2026-06-27 | 99.9 | 2,205,584 | 2,151,215 | 2,153,399 |
| 3 months ago | 2026-04-27 | 98.5 | 2,144,904 | 2,120,705 | 2,153,399 |
| 6 months ago | 2026-01-27 | 98.3 | 2,124,886 | 2,117,721 | 2,153,399 |
| 1 year ago | 2025-07-27 | 99.9 | 2,159,902 | 2,151,413 | 2,153,399 |
*
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. - | 84.94 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 70.92 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
99.4 | 200.87 | -0.13 | 415,023 | 414,996 | 417,577 | 19,824 |
| Houston |
|
97.3 | 42.07 | -0.31 | 132,593 | 128,792 | 132,318 | 11,306 |
| Livingston |
|
99.7 | 130.93 | -0.07 | 1,598,073 | 1,598,073 | 1,603,504 | 77,452 |
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.