Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 97.0% full on 2026-08-12
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-08-12 | 97.0 | 291,424 | 282,410 | 291,293 |
| Yesterday | 2026-08-11 | 97.1 | 291,876 | 282,862 | 291,293 |
| 2 days ago | 2026-08-10 | 97.2 | 292,246 | 283,232 | 291,293 |
| 1 week ago | 2026-08-05 | 96.9 | 291,397 | 282,383 | 291,293 |
| 1 month ago | 2026-07-12 | 98.5 | 297,665 | 286,814 | 291,293 |
| 3 months ago | 2026-05-12 | 87.5 | 268,990 | 254,781 | 291,293 |
| 6 months ago | 2026-02-12 | 77.3 | 235,019 | 225,202 | 291,293 |
| 1 year ago | 2025-08-12 | 95.9 | 289,148 | 279,446 | 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. - | 69.79 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
100.0 | 42.38 | 0.00 | 136,119 | 132,318 | 132,318 | 11,443 |
| Texana |
|
94.4 | 43.12 | -0.88 | 155,305 | 150,092 | 158,975 | 9,924 |
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.