Lake Pat Cleburne: 83.9% full as of 2026-09-30
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 | 2026-09-30 | 83.9 | 730.75 | 21,816 | 21,816 | 26,008 | 1,485 |
| Yesterday | 2026-09-29 | 84.1 | 730.78 | 21,860 | 21,860 | 26,008 | 1,486 |
| 2 days ago | 2026-09-28 | 84.2 | 730.81 | 21,905 | 21,905 | 26,008 | 1,487 |
| 1 week ago | 2026-09-23 | 85.3 | 731.00 | 22,188 | 22,188 | 26,008 | 1,492 |
| 1 month ago | 2026-08-30 | 88.5 | 731.55 | 23,013 | 23,013 | 26,008 | 1,508 |
| 3 months ago | 2026-06-30 | 99.6 | 733.43 | 25,899 | 25,899 | 26,008 | 1,564 |
| 6 months ago | 2026-03-30 | 95.6 | 732.76 | 24,858 | 24,858 | 26,008 | 1,543 |
| 1 year ago | 2025-09-30 | 95.6 | 732.76 | 24,858 | 24,858 | 26,008 | 1,543 |
*
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 | 2026-09-30 22:00 | 730.73 | 733.50 | -2.77 |
| 1 hour prior | 2026-09-30 21:00 | 730.73 | 733.50 | -2.77 |
| 2 hours prior | 2026-09-30 20:00 | 730.73 | 733.50 | -2.77 |
| 6 hours prior | 2026-09-30 16:00 | 730.73 | 733.50 | -2.77 |
| 12 hours prior | 2026-09-30 10:00 | 730.74 | 733.50 | -2.76 |
| 24 hours prior | 2026-09-29 22:00 | 730.76 | 733.50 | -2.74 |
| 48 hours prior | 2026-09-28 22:00 | 730.80 | 733.50 | -2.70 |
*
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 |