Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 99.9% full on 2026-06-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-06-18 | 99.9 | 306,957 | 290,880 | 291,293 |
| Yesterday | 2026-06-17 | 99.8 | 305,831 | 290,573 | 291,293 |
| 2 days ago | 2026-06-16 | 98.9 | 298,865 | 288,129 | 291,293 |
| 1 week ago | 2026-06-11 | 99.1 | 299,143 | 288,637 | 291,293 |
| 1 month ago | 2026-05-18 | 86.7 | 262,680 | 252,634 | 291,293 |
| 3 months ago | 2026-03-18 | 74.2 | 225,207 | 216,193 | 291,293 |
| 6 months ago | 2025-12-18 | 81.8 | 247,848 | 238,146 | 291,293 |
| 1 year ago | 2025-06-18 | 99.7 | 301,566 | 290,369 | 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. - | 87.94 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 86.19 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
100.0 | 42.99 | 0.61 | 143,182 | 132,318 | 132,318 | - n.a. - |
| Texana |
|
99.7 | 43.96 | -0.04 | 163,775 | 158,562 | 158,975 | 10,240 |
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.