Inks Lake: 95.9% full as of 2026-09-24

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 2026-09-24 95.9 887.30 13,454 13,171 13,729 792
Yesterday 2026-09-23 96.1 887.32 13,470 13,187 13,729 792
2 days ago 2026-09-22 96.1 887.33 13,478 13,195 13,729 792
1 week ago 2026-09-17 95.7 887.26 13,422 13,139 13,729 791
1 month ago 2026-08-24 95.6 887.24 13,407 13,124 13,729 791
3 months ago 2026-06-24 95.4 887.20 13,375 13,092 13,729 790
6 months ago 2026-03-24 95.4 887.20 13,375 13,092 13,729 790
1 year ago 2025-09-24 95.5 887.22 13,391 13,108 13,729 790
*

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 2026-09-24 08:00 887.29 888.00 -0.71
1 hour prior 2026-09-24 07:00 887.29 888.00 -0.71
2 hours prior 2026-09-24 06:00 887.30 888.00 -0.70
6 hours prior 2026-09-24 02:00 887.30 888.00 -0.70
12 hours prior 2026-09-23 20:00 887.30 888.00 -0.70
24 hours prior 2026-09-23 08:00 887.33 888.00 -0.67
48 hours prior 2026-09-22 08:00 887.31 888.00 -0.69
*

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