San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 93.3% full on 2026-04-20
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Most recent | 2026-04-20 | 93.3 | 517,014 | 513,186 | 549,895 |
| 1 day prior | 2026-04-19 | 93.5 | 517,810 | 513,982 | 549,895 |
| 2 days prior | 2026-04-18 | 93.3 | 516,920 | 513,092 | 549,895 |
| 1 week prior | 2026-04-13 | 96.2 | 535,044 | 528,918 | 549,895 |
| 1 month prior | 2026-03-20 | 96.0 | 531,596 | 527,768 | 549,895 |
| 3 months prior | 2026-01-20 | 95.4 | 528,180 | 524,352 | 549,895 |
| 6 months prior | 2025-10-20 | 96.0 | 531,948 | 528,120 | 549,895 |
| 1 year prior | 2025-04-20 | 99.3 | 549,892 | 546,064 | 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. - | 79.68 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 80.29 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.8 | 199.90 | -1.10 | 396,048 | 396,021 | 417,577 | 19,300 |
| Houston |
|
88.5 | 41.02 | -1.36 | 120,966 | 117,165 | 132,318 | 10,842 |
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.