San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.9% full on 2026-08-22
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-08-22 | 96.9 | 536,579 | 532,751 | 549,895 |
| Yesterday | 2026-08-21 | 97.0 | 537,277 | 533,449 | 549,895 |
| 2 days ago | 2026-08-20 | 97.1 | 537,894 | 534,066 | 549,895 |
| 1 week ago | 2026-08-15 | 97.8 | 541,575 | 537,747 | 549,895 |
| 1 month ago | 2026-07-22 | 99.5 | 551,047 | 547,219 | 549,895 |
| 3 months ago | 2026-05-22 | 96.4 | 533,825 | 529,997 | 549,895 |
| 6 months ago | 2026-02-22 | 96.4 | 534,330 | 530,272 | 549,895 |
| 1 year ago | 2025-08-22 | 98.7 | 548,237 | 542,572 | 549,895 |
*
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. - | 69.36 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
96.3 | 200.21 | -0.79 | 402,057 | 402,030 | 417,577 | 19,467 |
| Houston |
|
98.8 | 42.24 | -0.14 | 134,522 | 130,721 | 132,318 | 11,381 |
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.