Lake Pat Cleburne: 91.7% full as of 2026-08-11
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 | 2026-08-11 | 91.7 | 732.11 | 23,862 | 23,862 | 26,008 | 1,524 |
| Yesterday | 2026-08-10 | 92.0 | 732.16 | 23,938 | 23,938 | 26,008 | 1,525 |
| 2 days ago | 2026-08-09 | 92.3 | 732.20 | 23,999 | 23,999 | 26,008 | 1,526 |
| 1 week ago | 2026-08-04 | 93.5 | 732.40 | 24,305 | 24,305 | 26,008 | 1,532 |
| 1 month ago | 2026-07-11 | 97.0 | 733.00 | 25,229 | 25,229 | 26,008 | 1,550 |
| 3 months ago | 2026-05-11 | 99.5 | 733.41 | 25,868 | 25,868 | 26,008 | 1,563 |
| 6 months ago | 2026-02-11 | 90.1 | 731.83 | 23,436 | 23,436 | 26,008 | 1,516 |
| 1 year ago | 2025-08-11 | 99.7 | 733.45 | 25,930 | 25,930 | 26,008 | 1,565 |
*
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 | 2026-08-11 17:00 | 732.08 | 733.50 | -1.42 |
| 1 hour prior | 2026-08-11 16:00 | 732.09 | 733.50 | -1.41 |
| 2 hours prior | 2026-08-11 15:00 | 732.08 | 733.50 | -1.42 |
| 6 hours prior | 2026-08-11 11:00 | 732.11 | 733.50 | -1.39 |
| 12 hours prior | 2026-08-11 05:00 | 732.13 | 733.50 | -1.37 |
| 24 hours prior | 2026-08-10 17:00 | 732.15 | 733.50 | -1.35 |
| 48 hours prior | 2026-08-09 17:00 | 732.19 | 733.50 | -1.31 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1964-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 690.00 ft above NGVD29 |
| Service spillway crest elevation | 733.50 ft above NGVD29 |
| Emergency spillway crest elevation | 744.00 ft above NGVD29 |
| Maximum design elevation | 752.30 ft above NGVD29 |
| Top of dam elevation | 753.00 ft above NGVD29 |
| Conservation pool elevation | 733.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2008-07-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08091900 |
| USGS Monitoring Location | USGS:08091900 |