Houston Area Reservoirs: Monitored Water Supply Reservoirs are 98.8% full on 2026-03-27
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-03-27 | 98.8 | 2,131,408 | 2,127,580 | 2,153,399 |
| Yesterday | 2026-03-26 | 98.9 | 2,132,570 | 2,128,742 | 2,153,399 |
| 2 days ago | 2026-03-25 | 98.9 | 2,133,653 | 2,129,710 | 2,153,399 |
| 1 week ago | 2026-03-20 | 99.0 | 2,141,411 | 2,131,351 | 2,153,399 |
| 1 month ago | 2026-02-27 | 99.0 | 2,137,842 | 2,132,229 | 2,153,399 |
| 3 months ago | 2025-12-27 | 98.9 | 2,134,799 | 2,130,283 | 2,153,399 |
| 6 months ago | 2025-09-27 | 98.2 | 2,119,453 | 2,115,625 | 2,153,399 |
| 1 year ago | 2025-03-27 | 99.6 | 2,157,938 | 2,144,751 | 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. - | 76.36 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.90 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.6 | 199.84 | -1.16 | 394,891 | 394,864 | 417,577 | 19,267 |
| Houston |
|
100.0 | 42.38 | 0.00 | 136,119 | 132,318 | 132,318 | 11,443 |
| Livingston |
|
99.8 | 130.96 | -0.04 | 1,600,398 | 1,600,398 | 1,603,504 | 77,569 |
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.