San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.5% full on 2026-05-23
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-23 | 96.5 | 534,290 | 530,462 | 549,895 |
| Yesterday | 2026-05-22 | 96.4 | 533,825 | 529,997 | 549,895 |
| 2 days ago | 2026-05-21 | 96.3 | 533,605 | 529,777 | 549,895 |
| 1 week ago | 2026-05-16 | 97.8 | 543,676 | 537,665 | 549,895 |
| 1 month ago | 2026-04-23 | 93.5 | 518,136 | 514,308 | 549,895 |
| 3 months ago | 2026-02-23 | 96.0 | 531,797 | 527,969 | 549,895 |
| 6 months ago | 2025-11-23 | 95.6 | 532,423 | 525,835 | 549,895 |
| 1 year ago | 2025-05-23 | 99.5 | 551,518 | 547,116 | 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. - | 78.99 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 79.96 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
97.8 | 200.54 | -0.46 | 408,511 | 408,484 | 417,577 | 19,646 |
| Houston |
|
92.2 | 41.46 | -0.92 | 125,779 | 121,978 | 132,318 | 11,036 |
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.