Lake Cherokee: 77.0% full as of 2026-10-21
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 | 2026-10-21 | 77.0 | 277.11 | 35,251 | 30,869 | 40,094 | 3,013 |
| Yesterday | 2026-10-20 | 77.1 | 277.12 | 35,281 | 30,899 | 40,094 | 3,015 |
| 2 days ago | 2026-10-19 | 77.3 | 277.15 | 35,372 | 30,990 | 40,094 | 3,020 |
| 1 week ago | 2026-10-14 | 78.6 | 277.32 | 35,887 | 31,505 | 40,094 | 3,049 |
| 1 month ago | 2026-09-21 | 81.6 | 277.71 | 37,090 | 32,708 | 40,094 | 3,121 |
| 3 months ago | 2026-07-21 | 100.0 | 279.90 | 44,494 | 40,094 | 40,094 | 3,751 |
| 6 months ago | 2026-04-21 | 100.0 | 280.26 | 45,875 | 40,094 | 40,094 | - n.a. - |
| 1 year ago | 2025-10-21 | 97.5 | 279.62 | 43,462 | 39,080 | 40,094 | 3,621 |
*
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 | 2026-10-21 03:45 | 277.11 | 279.90 | -2.79 |
| 1 hour prior | 2026-10-21 02:45 | 277.11 | 279.90 | -2.79 |
| 2 hours prior | 2026-10-21 01:45 | 277.11 | 279.90 | -2.79 |
| 6 hours prior | 2026-10-20 21:45 | 277.11 | 279.90 | -2.79 |
| 12 hours prior | 2026-10-20 15:45 | 277.10 | 279.90 | -2.80 |
| 24 hours prior | 2026-10-20 03:45 | 277.13 | 279.90 | -2.77 |
| 48 hours prior | 2026-10-19 03:45 | 277.16 | 279.90 | -2.74 |
*
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 |