Houston Area Reservoirs: Monitored Water Supply Reservoirs are 99.4% full on 2025-09-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2025-09-18 | 99.4 | 2,144,799 | 2,140,971 | 2,153,399 |
| Yesterday | 2025-09-17 | 99.4 | 2,145,309 | 2,141,481 | 2,153,399 |
| 2 days ago | 2025-09-16 | 99.6 | 2,148,173 | 2,144,001 | 2,153,399 |
| 1 week ago | 2025-09-11 | 99.9 | 2,161,871 | 2,151,215 | 2,153,399 |
| 1 month ago | 2025-08-18 | 98.7 | 2,130,198 | 2,124,993 | 2,153,399 |
| 3 months ago | 2025-06-18 | 100.0 | 2,299,022 | 2,153,399 | 2,153,399 |
| 6 months ago | 2025-03-18 | 99.0 | 2,135,794 | 2,131,966 | 2,153,399 |
| 1 year ago | 2024-09-18 | 97.7 | 2,108,737 | 2,104,909 | 2,153,399 |
*
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. - | 76.35 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 69.69 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
98.9 | 200.77 | -0.23 | 413,043 | 413,016 | 417,577 | 19,770 |
| Houston |
|
99.9 | 42.37 | -0.01 | 136,005 | 132,204 | 132,318 | 11,438 |
| Livingston |
|
99.5 | 130.90 | -0.10 | 1,595,751 | 1,595,751 | 1,603,504 | 77,338 |
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.