Inks Lake: 95.1% full as of 2026-07-30

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 2026-07-30 95.1 887.15 13,335 13,052 13,729 789
Yesterday 2026-07-29 95.2 887.17 13,351 13,068 13,729 789
2 days ago 2026-07-28 94.4 887.04 13,249 12,966 13,729 778
1 week ago 2026-07-23 93.9 886.95 13,180 12,897 13,729 773
1 month ago 2026-06-30 94.7 887.09 13,288 13,005 13,729 781
3 months ago 2026-04-30 95.1 887.15 13,335 13,052 13,729 789
6 months ago 2026-01-30 95.4 887.21 13,383 13,100 13,729 790
1 year ago 2025-07-30 95.0 887.14 13,328 13,045 13,729 784
*

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 2026-07-30 16:00 887.13 888.00 -0.87
1 hour prior 2026-07-30 15:00 887.14 888.00 -0.86
2 hours prior 2026-07-30 14:00 887.13 888.00 -0.87
6 hours prior 2026-07-30 10:00 887.14 888.00 -0.86
12 hours prior 2026-07-30 04:00 887.15 888.00 -0.85
24 hours prior 2026-07-29 16:00 887.17 888.00 -0.83
48 hours prior 2026-07-28 16:00 887.01 888.00 -0.99
*

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