Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 91.3% full on 2026-09-22
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-09-22 | 91.3 | 274,985 | 265,971 | 291,293 |
| Yesterday | 2026-09-21 | 91.3 | 274,985 | 265,971 | 291,293 |
| 2 days ago | 2026-09-20 | 91.4 | 275,283 | 266,269 | 291,293 |
| 1 week ago | 2026-09-15 | 92.1 | 278,116 | 268,184 | 291,293 |
| 1 month ago | 2026-08-22 | 94.6 | 284,706 | 275,692 | 291,293 |
| 3 months ago | 2026-06-22 | 99.7 | 299,437 | 290,423 | 291,293 |
| 6 months ago | 2026-03-22 | 74.2 | 225,184 | 216,170 | 291,293 |
| 1 year ago | 2025-09-22 | 90.4 | 272,273 | 263,259 | 291,293 |
*
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. - | 76.41 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.53 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Houston |
|
99.7 | 42.34 | -0.04 | 135,662 | 131,861 | 132,318 | 11,425 |
| Texana |
|
84.4 | 41.45 | -2.55 | 139,323 | 134,110 | 158,975 | 9,193 |
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.