Lake Pat Cleburne: 86.5% full as of 2026-09-13
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 | 2026-09-13 | 86.5 | 731.21 | 22,502 | 22,502 | 26,008 | 1,498 |
| Yesterday | 2026-09-12 | 86.7 | 731.24 | 22,547 | 22,547 | 26,008 | 1,499 |
| 2 days ago | 2026-09-11 | 86.9 | 731.27 | 22,592 | 22,592 | 26,008 | 1,500 |
| 1 week ago | 2026-09-06 | 87.9 | 731.45 | 22,862 | 22,862 | 26,008 | 1,505 |
| 1 month ago | 2026-08-13 | 92.2 | 732.18 | 23,969 | 23,969 | 26,008 | 1,526 |
| 3 months ago | 2026-06-13 | 100.0 | 733.81 | 26,495 | 26,008 | 26,008 | - n.a. - |
| 6 months ago | 2026-03-13 | 96.0 | 732.83 | 24,966 | 24,966 | 26,008 | 1,545 |
| 1 year ago | 2025-09-13 | 97.4 | 733.07 | 25,338 | 25,338 | 26,008 | 1,552 |
*
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 | 2026-09-13 19:00 | 731.18 | 733.50 | -2.32 |
| 1 hour prior | 2026-09-13 18:00 | 731.19 | 733.50 | -2.31 |
| 2 hours prior | 2026-09-13 17:00 | 731.19 | 733.50 | -2.31 |
| 6 hours prior | 2026-09-13 13:00 | 731.19 | 733.50 | -2.31 |
| 12 hours prior | 2026-09-13 07:00 | 731.21 | 733.50 | -2.29 |
| 24 hours prior | 2026-09-12 19:00 | 731.23 | 733.50 | -2.27 |
| 48 hours prior | 2026-09-11 19:00 | 731.26 | 733.50 | -2.24 |
*
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 |