Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 99.2% full on 2026-06-11
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-06-11 | 99.2 | 299,691 | 288,840 | 291,293 |
| Yesterday | 2026-06-10 | 99.3 | 300,315 | 289,349 | 291,293 |
| 2 days ago | 2026-06-09 | 99.7 | 301,783 | 290,471 | 291,293 |
| 1 week ago | 2026-06-04 | 99.1 | 302,613 | 288,637 | 291,293 |
| 1 month ago | 2026-05-11 | 87.8 | 268,461 | 255,646 | 291,293 |
| 3 months ago | 2026-03-11 | 75.6 | 231,357 | 220,275 | 291,293 |
| 6 months ago | 2025-12-11 | 82.3 | 249,586 | 239,654 | 291,293 |
| 1 year ago | 2025-06-11 | 88.7 | 267,424 | 258,410 | 291,293 |
*
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. - | 85.69 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 85.30 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
100.0 | 42.54 | 0.16 | 137,956 | 132,318 | 132,318 | - n.a. - |
| Texana |
|
98.5 | 43.76 | -0.24 | 161,735 | 156,522 | 158,975 | 10,165 |
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.