Lake Cypress Springs: 87.3% full as of 2026-11-08
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 | 2026-11-08 | 87.3 | 375.30 | 58,284 | 58,284 | 66,756 | 3,046 |
| Yesterday | 2026-11-07 | 87.4 | 375.31 | 58,314 | 58,314 | 66,756 | 3,047 |
| 2 days ago | 2026-11-06 | 87.4 | 375.33 | 58,375 | 58,375 | 66,756 | 3,048 |
| 1 week ago | 2026-11-01 | 87.7 | 375.38 | 58,528 | 58,528 | 66,756 | 3,052 |
| 1 month ago | 2026-10-08 | 89.5 | 375.77 | 59,723 | 59,723 | 66,756 | 3,078 |
| 3 months ago | 2026-08-08 | 95.0 | 376.96 | 63,433 | 63,433 | 66,756 | 3,157 |
| 6 months ago | 2026-05-08 | 96.9 | 377.36 | 64,702 | 64,702 | 66,756 | 3,185 |
| 1 year ago | 2025-11-08 | 95.4 | 377.04 | 63,686 | 63,686 | 66,756 | 3,163 |
*
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 | 2026-11-08 10:15 | 375.31 | 378.00 | -2.69 |
| 1 hour prior | 2026-11-08 09:15 | 375.30 | 378.00 | -2.70 |
| 2 hours prior | 2026-11-08 08:15 | 375.31 | 378.00 | -2.69 |
| 6 hours prior | 2026-11-08 04:15 | 375.31 | 378.00 | -2.69 |
| 12 hours prior | 2026-11-07 22:15 | 375.31 | 378.00 | -2.69 |
| 24 hours prior | 2026-11-07 10:15 | 375.31 | 378.00 | -2.69 |
| 48 hours prior | 2026-11-06 10:15 | 375.33 | 378.00 | -2.67 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1971-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 317.75 ft above NGVD29 |
| Service spillway crest elevation | 378.00 ft above NGVD29 |
| Emergency spillway crest elevation | 385.00 ft above NGVD29 |
| Top of dam elevation | 395.00 ft above NGVD29 |
| Conservation pool elevation | 378.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2007-07-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:07344484 |
| USGS Monitoring Location | USGS:07344484 |
Lake Location
