Lake Cherokee: 79.3% full as of 2026-09-30
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-09-30 | 79.3 | 277.42 | 36,193 | 31,811 | 40,094 | 3,067 |
| 1 day prior | 2026-09-29 | 79.6 | 277.45 | 36,285 | 31,903 | 40,094 | 3,072 |
| 2 days prior | 2026-09-28 | 79.8 | 277.48 | 36,377 | 31,995 | 40,094 | 3,078 |
| 1 week prior | 2026-09-23 | 81.2 | 277.66 | 36,935 | 32,553 | 40,094 | 3,111 |
| 1 month prior | 2026-08-30 | 87.5 | 278.45 | 39,455 | 35,073 | 40,094 | 3,275 |
| 3 months prior | 2026-06-30 | 100.0 | 280.09 | 45,215 | 40,094 | 40,094 | 3,840 |
| 6 months prior | 2026-03-30 | 100.0 | 280.22 | 45,718 | 40,094 | 40,094 | - n.a. - |
| 1 year prior | 2025-09-30 | 100.0 | 279.90 | 44,494 | 40,094 | 40,094 | 3,751 |
*
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 | 2026-09-30 23:45 | 277.40 | 279.90 | -2.50 |
| 1 hour prior | 2026-09-30 22:45 | 277.41 | 279.90 | -2.49 |
| 2 hours prior | 2026-09-30 21:45 | 277.40 | 279.90 | -2.50 |
| 6 hours prior | 2026-09-30 17:45 | 277.42 | 279.90 | -2.48 |
| 12 hours prior | 2026-09-30 11:45 | 277.43 | 279.90 | -2.47 |
| 24 hours prior | 2026-09-29 23:45 | 277.43 | 279.90 | -2.47 |
| 48 hours prior | 2026-09-28 23:45 | 277.47 | 279.90 | -2.43 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1948-01-01 |
| Vertical datum | NAVD88 |
| Dead pool elevation | 260.00 ft above NGVD29 |
| Emergency spillway crest elevation | 287.70 ft above NGVD29 |
| Maximum design elevation | 291.00 ft above NGVD29 |
| Top of dam elevation | 295.00 ft above NGVD29 |
| Conservation pool elevation | 280.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2003-11-01 (source: TWDB)
: GIS Data
2015-04-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08021400 |
| USGS Monitoring Location | USGS:08021400 |