San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.0% full on 2026-09-13
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-13 | 96.0 | 533,466 | 528,146 | 549,895 |
| Yesterday | 2026-09-12 | 96.1 | 533,967 | 528,532 | 549,895 |
| 2 days ago | 2026-09-11 | 96.2 | 534,468 | 528,918 | 549,895 |
| 1 week ago | 2026-09-06 | 96.3 | 534,322 | 529,691 | 549,895 |
| 1 month ago | 2026-08-13 | 97.9 | 542,440 | 538,612 | 549,895 |
| 3 months ago | 2026-06-13 | 99.1 | 549,831 | 544,741 | 549,895 |
| 6 months ago | 2026-03-13 | 96.5 | 536,900 | 530,659 | 549,895 |
| 1 year ago | 2025-09-13 | 99.5 | 551,664 | 546,918 | 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. - | 76.41 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 70.25 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.8 | 199.89 | -1.11 | 395,855 | 395,828 | 417,577 | 19,294 |
| Houston |
|
100.0 | 42.51 | 0.13 | 137,611 | 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.