Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 99.1% full on 2026-07-23
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-07-23 | 99.1 | 298,283 | 288,560 | 291,293 |
| Yesterday | 2026-07-22 | 99.2 | 298,737 | 289,014 | 291,293 |
| 2 days ago | 2026-07-21 | 99.1 | 298,499 | 288,673 | 291,293 |
| 1 week ago | 2026-07-16 | 100.0 | 309,913 | 291,293 | 291,293 |
| 1 month ago | 2026-06-23 | 99.0 | 297,479 | 288,465 | 291,293 |
| 3 months ago | 2026-04-23 | 71.8 | 218,197 | 209,183 | 291,293 |
| 6 months ago | 2026-01-23 | 78.2 | 237,729 | 227,912 | 291,293 |
| 1 year ago | 2025-07-23 | 98.5 | 297,076 | 286,915 | 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. - | 76.42 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.67 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
97.9 | 42.14 | -0.24 | 133,386 | 129,585 | 132,318 | 11,337 |
| Texana |
|
100.0 | 44.06 | 0.06 | 164,897 | 158,975 | 158,975 | 10,343 |
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.