San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 98.6% full on 2026-07-30
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-07-30 | 98.6 | 546,259 | 542,431 | 549,895 |
| Yesterday | 2026-07-29 | 98.7 | 546,315 | 542,487 | 549,895 |
| 2 days ago | 2026-07-28 | 98.7 | 546,796 | 542,968 | 549,895 |
| 1 week ago | 2026-07-23 | 99.3 | 549,941 | 546,113 | 549,895 |
| 1 month ago | 2026-06-30 | 99.4 | 551,152 | 546,521 | 549,895 |
| 3 months ago | 2026-04-30 | 94.4 | 522,904 | 519,076 | 549,895 |
| 6 months ago | 2026-01-30 | 96.0 | 533,080 | 527,760 | 549,895 |
| 1 year ago | 2025-07-30 | 99.6 | 553,114 | 547,909 | 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. - | 69.79 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
99.0 | 200.79 | -0.21 | 413,439 | 413,412 | 417,577 | 19,781 |
| Houston |
|
97.5 | 42.09 | -0.29 | 132,820 | 129,019 | 132,318 | 11,314 |
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.