San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 99.4% full on 2026-07-23
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-07-23 | 99.4 | 550,593 | 546,765 | 549,895 |
| Yesterday | 2026-07-22 | 99.5 | 551,047 | 547,219 | 549,895 |
| 2 days ago | 2026-07-21 | 99.5 | 550,905 | 547,077 | 549,895 |
| 1 week ago | 2026-07-16 | 100.0 | 570,026 | 549,895 | 549,895 |
| 1 month ago | 2026-06-23 | 99.5 | 550,905 | 547,077 | 549,895 |
| 3 months ago | 2026-04-23 | 93.5 | 518,244 | 514,416 | 549,895 |
| 6 months ago | 2026-01-23 | 95.8 | 531,428 | 526,797 | 549,895 |
| 1 year ago | 2025-07-23 | 99.8 | 553,678 | 548,703 | 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. - | 69.67 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
99.9 | 200.98 | -0.02 | 417,207 | 417,180 | 417,577 | 19,884 |
| Houston |
|
97.9 | 42.14 | -0.24 | 133,386 | 129,585 | 132,318 | 11,337 |
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.