San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.5% full on 2025-12-12
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-12-12 | 96.5 | 535,440 | 530,465 | 549,895 |
| Yesterday | 2025-12-11 | 96.5 | 535,405 | 530,659 | 549,895 |
| 2 days ago | 2025-12-10 | 96.5 | 535,943 | 530,853 | 549,895 |
| 1 week ago | 2025-12-05 | 96.6 | 540,030 | 531,240 | 549,895 |
| 1 month ago | 2025-11-12 | 95.2 | 527,326 | 523,498 | 549,895 |
| 3 months ago | 2025-09-12 | 99.5 | 552,519 | 547,314 | 549,895 |
| 6 months ago | 2025-06-12 | 99.6 | 552,584 | 547,616 | 549,895 |
| 1 year ago | 2024-12-12 | 95.2 | 527,411 | 523,583 | 549,895 |
*
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. - | 76.36 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.94 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
95.3 | 200.01 | -0.99 | 398,174 | 398,147 | 417,577 | 19,359 |
| Houston |
|
100.0 | 42.48 | 0.10 | 137,266 | 132,318 | 132,318 | - n.a. - |
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.