Lake Cypress Springs: 89.0% full as of 2026-10-16
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 | 2026-10-16 | 89.0 | 375.67 | 59,416 | 59,416 | 66,756 | 3,072 |
| Yesterday | 2026-10-15 | 89.1 | 375.68 | 59,447 | 59,447 | 66,756 | 3,072 |
| 2 days ago | 2026-10-14 | 89.1 | 375.69 | 59,477 | 59,477 | 66,756 | 3,073 |
| 1 week ago | 2026-10-09 | 89.4 | 375.75 | 59,662 | 59,662 | 66,756 | 3,077 |
| 1 month ago | 2026-09-16 | 90.8 | 376.06 | 60,619 | 60,619 | 66,756 | 3,097 |
| 3 months ago | 2026-07-16 | 97.6 | 377.51 | 65,180 | 65,180 | 66,756 | 3,196 |
| 6 months ago | 2026-04-16 | 96.9 | 377.36 | 64,702 | 64,702 | 66,756 | 3,185 |
| 1 year ago | 2025-10-16 | 96.0 | 377.17 | 64,098 | 64,098 | 66,756 | 3,172 |
*
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 | 2026-10-16 11:15 | 375.64 | 378.00 | -2.36 |
| 1 hour prior | 2026-10-16 10:15 | 375.67 | 378.00 | -2.33 |
| 2 hours prior | 2026-10-16 09:15 | 375.64 | 378.00 | -2.36 |
| 6 hours prior | 2026-10-16 05:15 | 375.67 | 378.00 | -2.33 |
| 12 hours prior | 2026-10-15 23:15 | 375.66 | 378.00 | -2.34 |
| 24 hours prior | 2026-10-15 11:15 | 375.67 | 378.00 | -2.33 |
| 48 hours prior | 2026-10-14 11:15 | 375.69 | 378.00 | -2.31 |
*
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
