San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 95.4% full on 2026-09-01
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-01 | 95.4 | 528,546 | 524,718 | 549,895 |
| Yesterday | 2026-08-31 | 96.5 | 534,487 | 530,659 | 549,895 |
| 2 days ago | 2026-08-30 | 96.6 | 535,218 | 531,046 | 549,895 |
| 1 week ago | 2026-08-25 | 96.5 | 534,227 | 530,399 | 549,895 |
| 1 month ago | 2026-08-01 | 98.4 | 544,959 | 541,131 | 549,895 |
| 3 months ago | 2026-06-01 | 99.5 | 553,127 | 547,116 | 549,895 |
| 6 months ago | 2026-03-01 | 96.0 | 532,011 | 527,953 | 549,895 |
| 1 year ago | 2025-09-01 | 100.0 | 558,402 | 549,895 | 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. - | 76.42 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.99 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
95.3 | 200.00 | -1.00 | 397,981 | 397,954 | 417,577 | 19,354 |
| Houston |
|
95.8 | 41.89 | -0.49 | 130,565 | 126,764 | 132,318 | 11,226 |
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.