Houston Area Reservoirs: Monitored Water Supply Reservoirs are 98.2% full on 2026-04-18
Historical Data
| Date | Percent Full |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
|
|---|---|---|---|---|---|
| Today | 2026-04-18 | 98.2 | 2,131,060 | 2,115,523 | 2,153,399 |
| Yesterday | 2026-04-17 | 98.3 | 2,133,611 | 2,115,716 | 2,153,399 |
| 2 days ago | 2026-04-16 | 98.3 | 2,140,842 | 2,116,643 | 2,153,399 |
| 1 week ago | 2026-04-11 | 99.0 | 2,176,582 | 2,131,650 | 2,153,399 |
| 1 month ago | 2026-03-18 | 98.9 | 2,147,580 | 2,130,473 | 2,153,399 |
| 3 months ago | 2026-01-18 | 97.8 | 2,110,650 | 2,106,822 | 2,153,399 |
| 6 months ago | 2025-10-18 | 95.0 | 2,049,596 | 2,045,768 | 2,153,399 |
| 1 year ago | 2025-04-18 | 99.6 | 2,149,499 | 2,145,671 | 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. - | 76.36 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Barker 2 |
|
- n.a. - | 71.48 | - n.a. - | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
| Conroe |
|
94.8 | 199.89 | -1.11 | 395,855 | 395,828 | 417,577 | 19,294 |
| Houston |
|
87.8 | 40.93 | -1.45 | 119,992 | 116,191 | 132,318 | 10,804 |
| Livingston |
|
100.0 | 131.15 | 0.15 | 1,615,213 | 1,603,504 | 1,603,504 | 78,431 |
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.