Lake Pat Cleburne: 89.1% 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 | 89.1 | 731.65 | 23,164 | 23,164 | 26,008 | 1,510 |
| Yesterday | 2026-08-20 | 89.2 | 731.68 | 23,209 | 23,209 | 26,008 | 1,511 |
| 2 days ago | 2026-08-19 | 89.4 | 731.71 | 23,255 | 23,255 | 26,008 | 1,512 |
| 1 week ago | 2026-08-14 | 90.9 | 731.97 | 23,649 | 23,649 | 26,008 | 1,520 |
| 1 month ago | 2026-07-21 | 96.6 | 732.93 | 25,121 | 25,121 | 26,008 | 1,548 |
| 3 months ago | 2026-05-21 | 99.0 | 733.34 | 25,758 | 25,758 | 26,008 | 1,561 |
| 6 months ago | 2026-02-21 | 92.5 | 732.23 | 24,045 | 24,045 | 26,008 | 1,527 |
| 1 year ago | 2025-08-21 | 100.0 | 733.63 | 26,212 | 26,008 | 26,008 | - n.a. - |
*
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 16:00 | 731.65 | 733.50 | -1.85 |
| 1 hour prior | 2026-08-21 15:00 | 731.65 | 733.50 | -1.85 |
| 2 hours prior | 2026-08-21 14:00 | 731.66 | 733.50 | -1.84 |
| 6 hours prior | 2026-08-21 10:00 | 731.65 | 733.50 | -1.85 |
| 12 hours prior | 2026-08-21 04:00 | 731.65 | 733.50 | -1.85 |
| 24 hours prior | 2026-08-20 16:00 | 731.67 | 733.50 | -1.83 |
| 48 hours prior | 2026-08-19 16:00 | 731.70 | 733.50 | -1.80 |
*
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 |
Lake Location
