Houston Area Reservoirs: Monitored Water Supply Reservoirs are 99.9% full on 2026-05-28
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-28 | 99.9 | 2,170,999 | 2,150,818 | 2,153,399 |
| Yesterday | 2026-05-27 | 99.9 | 2,166,313 | 2,150,224 | 2,153,399 |
| 2 days ago | 2026-05-26 | 99.8 | 2,165,096 | 2,148,641 | 2,153,399 |
| 1 week ago | 2026-05-21 | 99.1 | 2,155,904 | 2,133,281 | 2,153,399 |
| 1 month ago | 2026-04-28 | 98.5 | 2,143,685 | 2,121,062 | 2,153,399 |
| 3 months ago | 2026-02-28 | 99.0 | 2,137,456 | 2,131,843 | 2,153,399 |
| 6 months ago | 2025-11-28 | 97.8 | 2,112,044 | 2,106,954 | 2,153,399 |
| 1 year ago | 2025-05-28 | 100.0 | 2,201,003 | 2,153,399 | 2,153,399 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
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. - | 85.98 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 84.40 | - 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 |
|
100.0 | 42.85 | 0.47 | 141,547 | 132,318 | 132,318 | - n.a. - |
| Livingston |
|
100.0 | 131.14 | 0.14 | 1,614,429 | 1,603,504 | 1,603,504 | 78,374 |
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.