Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 92.6% full on 2026-09-05
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-09-05 | 92.6 | 278,631 | 269,617 | 291,293 |
| 1 day prior | 2026-09-04 | 91.6 | 275,957 | 266,943 | 291,293 |
| 2 days prior | 2026-09-03 | 89.9 | 270,893 | 261,879 | 291,293 |
| 1 week prior | 2026-08-29 | 94.2 | 283,330 | 274,316 | 291,293 |
| 1 month prior | 2026-08-05 | 96.9 | 291,297 | 282,283 | 291,293 |
| 3 months prior | 2026-06-05 | 99.0 | 304,058 | 288,332 | 291,293 |
| 6 months prior | 2026-03-05 | 75.8 | 230,125 | 220,767 | 291,293 |
| 1 year prior | 2025-09-05 | 92.7 | 280,117 | 269,956 | 291,293 |
*
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. - | 70.88 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
98.5 | 42.21 | -0.17 | 134,180 | 130,379 | 132,318 | 11,368 |
| Texana |
|
87.6 | 42.00 | -2.00 | 144,451 | 139,238 | 158,975 | 9,452 |
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.