Inks Lake: 95.5% full as of 2026-10-28

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 2026-10-28 95.5 887.22 13,391 13,108 13,729 790
1 day prior 2026-10-27 95.6 887.24 13,407 13,124 13,729 791
2 days prior 2026-10-26 95.8 887.27 13,430 13,147 13,729 791
1 week prior 2026-10-21 94.4 887.03 13,242 12,959 13,729 777
1 month prior 2026-09-28 94.9 887.12 13,312 13,029 13,729 783
3 months prior 2026-07-28 94.4 887.04 13,249 12,966 13,729 778
6 months prior 2026-04-28 96.2 887.34 13,486 13,203 13,729 792
1 year prior 2025-10-28 57.4 879.24 8,159 7,876 13,729 535
*

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 2026-10-28 23:25 887.20 888.00 -0.80
1 hour prior 2026-10-28 22:25 887.20 888.00 -0.80
2 hours prior 2026-10-28 21:25 887.20 888.00 -0.80
6 hours prior 2026-10-28 17:25 887.20 888.00 -0.80
12 hours prior 2026-10-28 11:25 887.22 888.00 -0.78
24 hours prior 2026-10-27 23:25 887.23 888.00 -0.77
48 hours prior 2026-10-26 23:25 887.25 888.00 -0.75
*

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