Lake Waxahachie: 76.8% full as of 2026-09-20

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 2026-09-20 76.8 527.31 9,071 8,489 11,060 562
Yesterday 2026-09-19 77.0 527.36 9,099 8,517 11,060 563
2 days ago 2026-09-18 77.4 527.43 9,139 8,557 11,060 565
1 week ago 2026-09-13 78.9 527.72 9,304 8,722 11,060 572
1 month ago 2026-08-20 86.4 529.14 10,143 9,561 11,060 608
3 months ago 2026-06-20 100.0 531.90 11,910 11,060 11,060 682
6 months ago 2026-03-20 85.5 528.96 10,034 9,452 11,060 604
1 year ago 2025-09-20 90.1 529.80 10,550 9,968 11,060 625
*

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 2026-09-20 03:30 527.31 531.50 -4.19
1 hour prior 2026-09-20 02:30 527.31 531.50 -4.19
2 hours prior 2026-09-20 01:30 527.31 531.50 -4.19
6 hours prior 2026-09-19 21:30 527.33 531.50 -4.17
12 hours prior 2026-09-19 15:30 527.38 531.50 -4.12
24 hours prior 2026-09-19 03:30 527.38 531.50 -4.12
48 hours prior 2026-09-18 03:30 527.43 531.50 -4.07
*

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

Lake Location