Lake Cherokee: 90.0% full as of 2026-08-21
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 | 2026-08-21 | 90.0 | 278.76 | 40,481 | 36,099 | 40,094 | 3,347 |
| Yesterday | 2026-08-20 | 90.2 | 278.78 | 40,548 | 36,166 | 40,094 | 3,352 |
| 2 days ago | 2026-08-19 | 90.5 | 278.82 | 40,683 | 36,301 | 40,094 | 3,362 |
| 1 week ago | 2026-08-14 | 92.2 | 279.02 | 41,360 | 36,978 | 40,094 | 3,413 |
| 1 month ago | 2026-07-21 | 100.0 | 279.90 | 44,494 | 40,094 | 40,094 | 3,751 |
| 3 months ago | 2026-05-21 | 100.0 | 280.12 | 45,331 | 40,094 | 40,094 | 3,854 |
| 6 months ago | 2026-02-21 | 100.0 | 280.31 | 46,071 | 40,094 | 40,094 | - n.a. - |
| 1 year ago | 2025-08-21 | 96.8 | 279.55 | 43,210 | 38,828 | 40,094 | 3,588 |
*
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 | 2026-08-21 10:45 | 278.74 | 279.90 | -1.16 |
| 1 hour prior | 2026-08-21 09:45 | 278.75 | 279.90 | -1.15 |
| 2 hours prior | 2026-08-21 08:45 | 278.74 | 279.90 | -1.16 |
| 6 hours prior | 2026-08-21 04:45 | 278.76 | 279.90 | -1.14 |
| 12 hours prior | 2026-08-20 22:45 | 278.77 | 279.90 | -1.13 |
| 24 hours prior | 2026-08-20 10:45 | 278.79 | 279.90 | -1.11 |
| 48 hours prior | 2026-08-19 10:45 | 278.84 | 279.90 | -1.06 |
*
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 |
Lake Location
