Lakes and reservoirs
5 lakes and reservoirs · USGS elevation and storage · NWS references
Active National Weather Service alerts for Harris County
- Air Quality Alert — issued Oct 22, 2026 at 5:16 PM CDT, expires Oct 23, 2026 at 9:30 PM CDT.
Air Quality Alert issued October 22 at 5:16PM CDT by NWS Houston/Galveston TX
Text as issued by NWS Houston/Galveston.
| Lake | Level | Stored | Against NWS references | Record |
|---|---|---|---|---|
| Addicks Reservoir | 70.96 ft | 62.7 acre-feet | 25.0 ft below minor flood stage | 109.09 ft (2017) |
| Barker Reservoir | 69.56 ft | 2.2 acre-feet | 23.6 ft below minor flood stage | 101.59 ft (2017) |
| Lake Conroe | 199.49 ft | 391,000 acre-feet | 12.5 ft below minor flood stage | 205.89 ft (2017) |
| Lake Houston | 42.17 ft | 133,700 acre-feet | — | 53.12 ft (2017) |
| Lake Livingston | 129.27 ft | 1,474,000 acre-feet | — | 133.92 ft (2024) |
Addicks and Barker are flood-control reservoirs, dry or nearly dry most of the time; the others are water-supply lakes held near a normal level. Elevations are above each lake's own survey reference, so compare each lake with its own history rather than with the others.