Lake Abilene: 8.3% full as of 2026-09-21

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 2026-09-21 8.3 1,991.86 656 656 7,900 141
1 day prior 2026-09-20 8.4 1,991.90 661 661 7,900 141
2 days prior 2026-09-19 8.4 1,991.93 665 665 7,900 142
1 week prior 2026-09-14 8.8 1,992.15 695 695 7,900 145
1 month prior 2026-08-21 10.7 1,993.18 846 846 7,900 160
3 months prior 2026-06-21 9.4 1,992.48 740 740 7,900 150
6 months prior 2026-03-21 3.6 1,988.44 285 285 7,900 91
1 year prior 2025-09-21 3.6 1,988.44 285 285 7,900 91
*

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 2026-09-22 07:30 1,991.83 2,012.30 -20.47
1 hour prior 2026-09-22 06:30 1,991.83 2,012.30 -20.47
2 hours prior 2026-09-22 05:30 1,991.83 2,012.30 -20.47
6 hours prior 2026-09-22 01:30 1,991.84 2,012.30 -20.46
12 hours prior 2026-09-21 19:30 1,991.85 2,012.30 -20.45
24 hours prior 2026-09-21 07:30 1,991.87 2,012.30 -20.43
48 hours prior 2026-09-20 07:30 1,991.90 2,012.30 -20.40
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1921-01-01
Vertical datum NGVD29
Dead pool elevation 1,968.80 ft above NGVD29
Service spillway crest elevation 2,009.70 ft above NGVD29
Emergency spillway crest elevation 2,018.00 ft above NGVD29
Top of dam elevation 2,024.00 ft above NGVD29
Conservation pool elevation 2,012.30 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1948-10-01 (source: TWDB)
Data Source USGS:08083270
USGS Monitoring Location USGS:08083270

Lake Location