Upper-Coast Climate Division Reservoirs: Monitored Water Supply Reservoirs are 82.1% 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 | 82.1 | 254,201 | 239,176 | 291,293 |
| Yesterday | 2026-05-02 | 81.2 | 253,198 | 236,652 | 291,293 |
| 2 days ago | 2026-05-01 | 79.0 | 239,125 | 230,111 | 291,293 |
| 1 week ago | 2026-04-26 | 76.3 | 231,160 | 222,146 | 291,293 |
| 1 month ago | 2026-04-03 | 73.1 | 222,555 | 212,967 | 291,293 |
| 3 months ago | 2026-02-03 | 77.9 | 236,813 | 226,881 | 291,293 |
| 6 months ago | 2025-11-03 | 85.0 | 256,545 | 247,531 | 291,293 |
| 1 year ago | 2025-05-03 | 86.6 | 267,699 | 252,207 | 291,293 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
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. - |
| Houston |
|
100.0 | 42.90 | 0.52 | 142,130 | 132,318 | 132,318 | - n.a. - |
| Texana |
|
67.2 | 38.26 | -5.74 | 112,071 | 106,858 | 158,975 | 7,951 |
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.