San-Jacinto River Basin Reservoirs: Monitored Water Supply Reservoirs are 96.7% full on 2026-05-03
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-05-03 | 96.7 | 541,467 | 531,628 | 549,895 |
| Yesterday | 2026-05-02 | 96.7 | 543,376 | 532,016 | 549,895 |
| 2 days ago | 2026-05-01 | 95.5 | 529,076 | 525,248 | 549,895 |
| 1 week ago | 2026-04-26 | 93.9 | 520,453 | 516,625 | 549,895 |
| 1 month ago | 2026-04-03 | 95.9 | 531,584 | 527,182 | 549,895 |
| 3 months ago | 2026-02-03 | 95.8 | 531,543 | 526,797 | 549,895 |
| 6 months ago | 2025-11-03 | 96.1 | 532,195 | 528,367 | 549,895 |
| 1 year ago | 2025-05-03 | 100.0 | 577,477 | 549,895 | 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. - | 88.06 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 84.42 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
95.6 | 200.07 | -0.93 | 399,337 | 399,310 | 417,577 | 19,391 |
| Houston |
|
100.0 | 42.90 | 0.52 | 142,130 | 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.