San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 95.4% full on 2026-09-22
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-22 | 95.4 | 528,629 | 524,801 | 549,895 |
| Yesterday | 2026-09-21 | 95.5 | 528,821 | 524,993 | 549,895 |
| 2 days ago | 2026-09-20 | 95.5 | 529,127 | 525,299 | 549,895 |
| 1 week ago | 2026-09-15 | 95.9 | 532,314 | 527,568 | 549,895 |
| 1 month ago | 2026-08-22 | 96.9 | 536,465 | 532,637 | 549,895 |
| 3 months ago | 2026-06-22 | 99.9 | 553,267 | 549,438 | 549,895 |
| 6 months ago | 2026-03-22 | 96.0 | 531,553 | 527,725 | 549,895 |
| 1 year ago | 2025-09-22 | 98.7 | 546,845 | 543,017 | 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. - | 76.41 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.53 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.1 | 199.74 | -1.26 | 392,967 | 392,940 | 417,577 | 19,213 |
| Houston |
|
99.7 | 42.34 | -0.04 | 135,662 | 131,861 | 132,318 | 11,425 |
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.