For near-real time water levels of this reservoir and others in flood stage, Visit Flood Viewer
Addicks Reservoir is a flood control lake. It is not used for water supply and under normal conditions it is empty.
Historical Data
Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
---|---|---|---|---|---|---|---|
Today | 2025-03-20 | - n.a. - | 78.40 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
Yesterday | 2025-03-19 | - n.a. - | 78.51 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
2 days ago | 2025-03-18 | - n.a. - | 78.48 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
1 week ago | 2025-03-13 | - n.a. - | 76.45 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
1 month ago | 2025-02-20 | - n.a. - | 84.13 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
3 months ago | 2024-12-20 | - n.a. - | 67.68 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
6 months ago | 2024-09-20 | - n.a. - | 68.70 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
1 year ago | 2024-03-20 | - n.a. - | 80.64 | - n.a. - | - n.a. - | - n.a. - | - n.a. - |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
**
Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.
Most Recent Instantaneous Water Level
Date/time |
Water Level (ft) |
Flood Pool Lower Bound (ft) |
Height Into Flood Pool (ft) | |
---|---|---|---|---|
Most recent | 2025-03-20 11:30 | 78.39 | 67.50 | 10.89 |
1 hour prior | 2025-03-20 10:30 | 78.37 | 67.50 | 10.87 |
2 hours prior | 2025-03-20 09:30 | 78.38 | 67.50 | 10.88 |
6 hours prior | 2025-03-20 05:30 | 78.40 | 67.50 | 10.90 |
12 hours prior | 2025-03-19 23:30 | 78.45 | 67.50 | 10.95 |
24 hours prior | 2025-03-19 11:30 | 78.52 | 67.50 | 11.02 |
48 hours prior | 2025-03-18 11:30 | 78.54 | 67.50 | 11.04 |
*
Data is provisional and subject to revision.
Additional Information
Impoundment date | 1948-01-01 |
Vertical datum | NAVD88 |
Dead pool elevation | 67.50 ft above NAVD88 |
Emergency spillway crest elevation | 108.00 ft above NGVD29 |
Top of dam elevation | 108.00 ft above NGVD29 |
Data download (CSV) | period of record, last one year, last 30 days |
Data Source | USGS:08073000 |