Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 91.9% full on 2026-09-01
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-01 | 91.9 | 276,630 | 267,616 | 291,293 |
| Yesterday | 2026-08-31 | 93.9 | 282,470 | 273,456 | 291,293 |
| 2 days ago | 2026-08-30 | 94.0 | 283,291 | 273,933 | 291,293 |
| 1 week ago | 2026-08-25 | 93.9 | 282,668 | 273,654 | 291,293 |
| 1 month ago | 2026-08-01 | 97.4 | 292,718 | 283,704 | 291,293 |
| 3 months ago | 2026-06-01 | 100.0 | 303,095 | 291,293 | 291,293 |
| 6 months ago | 2026-03-01 | 76.2 | 231,072 | 221,828 | 291,293 |
| 1 year ago | 2025-09-01 | 93.4 | 282,536 | 272,030 | 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. - | 69.99 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
95.8 | 41.89 | -0.49 | 130,565 | 126,764 | 132,318 | 11,226 |
| Texana |
|
88.6 | 42.17 | -1.83 | 146,065 | 140,852 | 158,975 | 9,528 |
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.