Inks Lake: 94.6% full as of 2026-08-02

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 2026-08-02 94.6 887.06 13,265 12,982 13,729 779
1 day prior 2026-08-01 94.6 887.07 13,273 12,990 13,729 780
2 days prior 2026-07-31 94.8 887.11 13,304 13,021 13,729 782
1 week prior 2026-07-26 94.7 887.08 13,281 12,998 13,729 780
1 month prior 2026-07-02 94.2 886.99 13,211 12,928 13,729 775
3 months prior 2026-05-02 95.1 887.15 13,335 13,052 13,729 789
6 months prior 2026-02-02 95.5 887.22 13,391 13,108 13,729 790
1 year prior 2025-08-02 94.8 887.11 13,304 13,021 13,729 782
*

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 2026-08-02 23:30 887.04 888.00 -0.96
1 hour prior 2026-08-02 22:30 887.04 888.00 -0.96
2 hours prior 2026-08-02 21:30 887.04 888.00 -0.96
6 hours prior 2026-08-02 17:30 887.04 888.00 -0.96
12 hours prior 2026-08-02 11:30 887.06 888.00 -0.94
24 hours prior 2026-08-01 23:30 887.06 888.00 -0.94
48 hours prior 2026-07-31 23:30 887.09 888.00 -0.91
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1938-01-01
Vertical datum NAVD88 +0.31
Dead pool elevation 844.50 ft above NAVD88 +0.31
Emergency spillway crest elevation 888.32 ft above NAVD88 +0.31
Top of dam elevation 922.00 ft above NAVD88 +0.31
Conservation pool elevation 888.00 ft above NAVD88 +0.31
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2007-04-01 (source: TWDB) : GIS Data
2021-08-01 (source: TWDB) : GIS Data
Data Source LCRA:1999

Lake Location