San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 98.5% full on 2025-08-20
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-08-20 | 98.5 | 548,176 | 541,588 | 549,895 |
| Yesterday | 2025-08-19 | 98.3 | 546,122 | 540,802 | 549,895 |
| 2 days ago | 2025-08-18 | 98.3 | 546,237 | 540,802 | 549,895 |
| 1 week ago | 2025-08-13 | 98.6 | 546,727 | 541,981 | 549,895 |
| 1 month ago | 2025-07-20 | 100.0 | 554,527 | 549,895 | 549,895 |
| 3 months ago | 2025-05-20 | 99.7 | 553,052 | 548,306 | 549,895 |
| 6 months ago | 2025-02-20 | 97.2 | 539,505 | 534,742 | 549,895 |
| 1 year ago | 2024-08-20 | 98.8 | 547,157 | 543,329 | 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. - | 70.80 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
98.0 | 200.58 | -0.42 | 409,297 | 409,270 | 417,577 | 19,667 |
| Houston |
|
100.0 | 42.62 | 0.24 | 138,879 | 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.