Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 87.1% full on 2026-05-23
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-23 | 87.1 | 262,819 | 253,805 | 291,293 |
| Yesterday | 2026-05-22 | 86.5 | 260,894 | 251,880 | 291,293 |
| 2 days ago | 2026-05-21 | 85.0 | 256,581 | 247,567 | 291,293 |
| 1 week ago | 2026-05-16 | 86.9 | 264,430 | 253,233 | 291,293 |
| 1 month ago | 2026-04-23 | 71.8 | 218,089 | 209,075 | 291,293 |
| 3 months ago | 2026-02-23 | 76.3 | 231,342 | 222,328 | 291,293 |
| 6 months ago | 2025-11-23 | 83.4 | 254,810 | 243,036 | 291,293 |
| 1 year ago | 2025-05-23 | 85.5 | 258,661 | 249,073 | 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. - | 78.99 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 79.96 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
92.2 | 41.46 | -0.92 | 125,779 | 121,978 | 132,318 | 11,036 |
| Texana |
|
82.9 | 41.20 | -2.80 | 137,040 | 131,827 | 158,975 | 9,068 |
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.