Houston County Lake: 94.3% full as of 2026-09-18
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 | 2026-09-18 | 94.3 | 259.23 | 16,683 | 16,131 | 17,113 | 1,258 |
| Yesterday | 2026-09-17 | 94.3 | 259.24 | 16,696 | 16,144 | 17,113 | 1,259 |
| 2 days ago | 2026-09-16 | 94.5 | 259.26 | 16,721 | 16,169 | 17,113 | 1,260 |
| 1 week ago | 2026-09-11 | 95.0 | 259.33 | 16,809 | 16,257 | 17,113 | 1,263 |
| 1 month ago | 2026-08-18 | 97.1 | 259.62 | 17,177 | 16,625 | 17,113 | 1,276 |
| 3 months ago | 2026-06-18 | 100.0 | 260.11 | 17,808 | 17,113 | 17,113 | - n.a. - |
| 6 months ago | 2026-03-18 | 100.0 | 260.24 | 17,977 | 17,113 | 17,113 | - n.a. - |
| 1 year ago | 2025-09-18 | 99.6 | 259.95 | 17,601 | 17,049 | 17,113 | 1,309 |
*
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) |
Conservation Pool Elevation (ft) |
Height Above Conservation Pool (ft) |
|
|---|---|---|---|---|
| Most recent | 2026-09-18 21:15 | 259.22 | 260.00 | -0.78 |
| 1 hour prior | 2026-09-18 20:15 | 259.21 | 260.00 | -0.79 |
| 2 hours prior | 2026-09-18 19:15 | 259.22 | 260.00 | -0.78 |
| 6 hours prior | 2026-09-18 15:15 | 259.23 | 260.00 | -0.77 |
| 12 hours prior | 2026-09-18 09:15 | 259.22 | 260.00 | -0.78 |
| 24 hours prior | 2026-09-17 21:15 | 259.23 | 260.00 | -0.77 |
| 48 hours prior | 2026-09-16 21:15 | 259.25 | 260.00 | -0.75 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1966-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 234.00 ft above NGVD29 |
| Service spillway crest elevation | 260.00 ft above NGVD29 |
| Emergency spillway crest elevation | 265.00 ft above NGVD29 |
| Top of dam elevation | 277.00 ft above NGVD29 |
| Conservation pool elevation | 260.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:08065330 |
| USGS Monitoring Location | USGS:08065330 |