Houston Area Reservoirs: Monitored Water Supply Reservoirs are 92.6% full on 2026-09-23
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-23 | 92.6 | 1,998,403 | 1,994,575 | 2,153,399 |
| Yesterday | 2026-09-22 | 92.7 | 2,000,979 | 1,997,151 | 2,153,399 |
| 2 days ago | 2026-09-21 | 92.9 | 2,003,786 | 1,999,958 | 2,153,399 |
| 1 week ago | 2026-09-16 | 93.7 | 2,022,380 | 2,017,749 | 2,153,399 |
| 1 month ago | 2026-08-23 | 95.3 | 2,055,080 | 2,051,252 | 2,153,399 |
| 3 months ago | 2026-06-23 | 99.9 | 2,215,763 | 2,150,581 | 2,153,399 |
| 6 months ago | 2026-03-23 | 99.0 | 2,138,741 | 2,131,457 | 2,153,399 |
| 1 year ago | 2025-09-23 | 98.7 | 2,128,682 | 2,124,854 | 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. - | 76.41 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.88 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.0 | 199.71 | -1.29 | 392,391 | 392,364 | 417,577 | 19,197 |
| Houston |
|
99.5 | 42.32 | -0.06 | 135,434 | 131,633 | 132,318 | 11,416 |
| Livingston |
|
91.7 | 129.23 | -1.77 | 1,470,578 | 1,470,578 | 1,603,504 | 73,048 |
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.