Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 92.4% full on 2026-09-13
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-13 | 92.4 | 279,527 | 269,021 | 291,293 |
| Yesterday | 2026-09-12 | 92.4 | 279,829 | 269,208 | 291,293 |
| 2 days ago | 2026-09-11 | 92.6 | 280,411 | 269,675 | 291,293 |
| 1 week ago | 2026-09-06 | 93.1 | 280,996 | 271,179 | 291,293 |
| 1 month ago | 2026-08-13 | 96.6 | 290,403 | 281,389 | 291,293 |
| 3 months ago | 2026-06-13 | 98.9 | 298,405 | 288,129 | 291,293 |
| 6 months ago | 2026-03-13 | 75.4 | 230,932 | 219,505 | 291,293 |
| 1 year ago | 2025-09-13 | 91.7 | 277,189 | 267,257 | 291,293 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
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. - | 70.25 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
100.0 | 42.51 | 0.13 | 137,611 | 132,318 | 132,318 | - n.a. - |
| Texana |
|
86.0 | 41.73 | -2.27 | 141,916 | 136,703 | 158,975 | 9,327 |
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.