Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 91.0% full on 2025-09-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-09-18 | 91.0 | 274,023 | 265,009 | 291,293 |
| Yesterday | 2025-09-17 | 91.1 | 274,434 | 265,420 | 291,293 |
| 2 days ago | 2025-09-16 | 91.3 | 275,235 | 265,877 | 291,293 |
| 1 week ago | 2025-09-11 | 92.0 | 278,482 | 268,091 | 291,293 |
| 1 month ago | 2025-08-18 | 95.0 | 287,212 | 276,821 | 291,293 |
| 3 months ago | 2025-06-18 | 99.7 | 301,566 | 290,369 | 291,293 |
| 6 months ago | 2025-03-18 | 75.7 | 229,420 | 220,406 | 291,293 |
| 1 year ago | 2024-09-18 | 95.5 | 287,098 | 278,084 | 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. - | 76.35 | - 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 |
|
99.8 | 42.36 | -0.02 | 135,891 | 132,090 | 132,318 | 11,434 |
| Texana |
|
83.6 | 41.32 | -2.68 | 138,132 | 132,919 | 158,975 | 9,127 |
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.