Lake Cypress Springs: 89.1% full as of 2026-10-13
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 | 2026-10-13 | 89.1 | 375.70 | 59,508 | 59,508 | 66,756 | 3,074 |
| Yesterday | 2026-10-12 | 89.2 | 375.71 | 59,539 | 59,539 | 66,756 | 3,074 |
| 2 days ago | 2026-10-11 | 89.2 | 375.72 | 59,570 | 59,570 | 66,756 | 3,075 |
| 1 week ago | 2026-10-06 | 89.6 | 375.80 | 59,816 | 59,816 | 66,756 | 3,080 |
| 1 month ago | 2026-09-13 | 91.1 | 376.13 | 60,836 | 60,836 | 66,756 | 3,102 |
| 3 months ago | 2026-07-13 | 97.6 | 377.50 | 65,148 | 65,148 | 66,756 | 3,195 |
| 6 months ago | 2026-04-13 | 97.3 | 377.44 | 64,957 | 64,957 | 66,756 | 3,191 |
| 1 year ago | 2025-10-13 | 96.3 | 377.22 | 64,257 | 64,257 | 66,756 | 3,175 |
*
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 | 2026-10-13 17:15 | 375.69 | 378.00 | -2.31 |
| 1 hour prior | 2026-10-13 16:15 | 375.70 | 378.00 | -2.30 |
| 2 hours prior | 2026-10-13 15:15 | 375.68 | 378.00 | -2.32 |
| 6 hours prior | 2026-10-13 11:15 | 375.70 | 378.00 | -2.30 |
| 12 hours prior | 2026-10-13 05:15 | 375.69 | 378.00 | -2.31 |
| 24 hours prior | 2026-10-12 17:15 | 375.70 | 378.00 | -2.30 |
| 48 hours prior | 2026-10-11 17:15 | 375.71 | 378.00 | -2.29 |
*
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
