Lake Waxahachie: 77.1% full as of 2026-09-19
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-09-19 | 77.1 | 527.37 | 9,105 | 8,523 | 11,060 | 563 |
| 1 day prior | 2026-09-18 | 77.4 | 527.43 | 9,139 | 8,557 | 11,060 | 565 |
| 2 days prior | 2026-09-17 | 77.7 | 527.49 | 9,173 | 8,591 | 11,060 | 566 |
| 1 week prior | 2026-09-12 | 79.3 | 527.80 | 9,350 | 8,768 | 11,060 | 575 |
| 1 month prior | 2026-08-19 | 86.8 | 529.20 | 10,180 | 9,598 | 11,060 | 610 |
| 3 months prior | 2026-06-19 | 100.0 | 531.89 | 11,903 | 11,060 | 11,060 | 681 |
| 6 months prior | 2026-03-19 | 85.5 | 528.96 | 10,034 | 9,452 | 11,060 | 604 |
| 1 year prior | 2025-09-19 | 90.4 | 529.84 | 10,575 | 9,993 | 11,060 | 626 |
*
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 | 2026-09-19 22:30 | 527.32 | 531.50 | -4.18 |
| 1 hour prior | 2026-09-19 21:30 | 527.33 | 531.50 | -4.17 |
| 2 hours prior | 2026-09-19 20:30 | 527.34 | 531.50 | -4.16 |
| 6 hours prior | 2026-09-19 16:30 | 527.34 | 531.50 | -4.16 |
| 12 hours prior | 2026-09-19 10:30 | 527.38 | 531.50 | -4.12 |
| 24 hours prior | 2026-09-18 22:30 | 527.40 | 531.50 | -4.10 |
| 48 hours prior | 2026-09-17 22:30 | 527.44 | 531.50 | -4.06 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1956-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 498.75 ft above NGVD29 |
| Service spillway crest elevation | 531.50 ft above NGVD29 |
| Top of dam elevation | 541.50 ft above NGVD29 |
| Conservation pool elevation | 531.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2000-07-01 (source: TWDB)
: GIS Data
2020-07-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08063600 |
| USGS Monitoring Location | USGS:08063600 |