Houston Area Reservoirs: Monitored Water Supply Reservoirs are 99.1% full on 2026-02-21
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-02-21 | 99.1 | 2,173,556 | 2,133,776 | 2,153,399 |
| Yesterday | 2026-02-20 | 99.1 | 2,173,671 | 2,133,776 | 2,153,399 |
| 2 days ago | 2026-02-19 | 99.1 | 2,170,320 | 2,133,389 | 2,153,399 |
| 1 week ago | 2026-02-14 | 98.9 | 2,148,040 | 2,130,686 | 2,153,399 |
| 1 month ago | 2026-01-21 | 97.9 | 2,112,978 | 2,109,150 | 2,153,399 |
| 3 months ago | 2025-11-21 | 94.9 | 2,047,886 | 2,044,058 | 2,153,399 |
| 6 months ago | 2025-08-21 | 98.7 | 2,131,315 | 2,125,189 | 2,153,399 |
| 1 year ago | 2025-02-21 | 99.3 | 2,180,863 | 2,139,153 | 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. - | 71.24 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
95.3 | 200.00 | -1.00 | 397,981 | 397,954 | 417,577 | 19,354 |
| Houston |
|
100.0 | 42.56 | 0.18 | 138,187 | 132,318 | 132,318 | - n.a. - |
| Livingston |
|
100.0 | 131.43 | 0.43 | 1,637,388 | 1,603,504 | 1,603,504 | - n.a. - |
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.