Lake Pat Cleburne: 86.0% full as of 2026-09-15
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 | 2026-09-15 | 86.0 | 731.12 | 22,367 | 22,367 | 26,008 | 1,496 |
| Yesterday | 2026-09-14 | 86.2 | 731.16 | 22,427 | 22,427 | 26,008 | 1,497 |
| 2 days ago | 2026-09-13 | 86.5 | 731.20 | 22,487 | 22,487 | 26,008 | 1,498 |
| 1 week ago | 2026-09-08 | 87.5 | 731.38 | 22,757 | 22,757 | 26,008 | 1,503 |
| 1 month ago | 2026-08-15 | 91.7 | 732.11 | 23,862 | 23,862 | 26,008 | 1,524 |
| 3 months ago | 2026-06-15 | 100.0 | 733.75 | 26,401 | 26,008 | 26,008 | - n.a. - |
| 6 months ago | 2026-03-15 | 96.2 | 732.86 | 25,013 | 25,013 | 26,008 | 1,546 |
| 1 year ago | 2025-09-15 | 97.1 | 733.02 | 25,261 | 25,261 | 26,008 | 1,551 |
*
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 | 2026-09-15 21:00 | 731.10 | 733.50 | -2.40 |
| 1 hour prior | 2026-09-15 20:00 | 731.10 | 733.50 | -2.40 |
| 2 hours prior | 2026-09-15 19:00 | 731.11 | 733.50 | -2.39 |
| 6 hours prior | 2026-09-15 15:00 | 731.11 | 733.50 | -2.39 |
| 12 hours prior | 2026-09-15 09:00 | 731.12 | 733.50 | -2.38 |
| 24 hours prior | 2026-09-14 21:00 | 731.14 | 733.50 | -2.36 |
| 48 hours prior | 2026-09-13 21:00 | 731.19 | 733.50 | -2.31 |
*
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 |
Lake Location
