Inks Lake: 95.2% full as of 2026-08-09

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 2026-08-09 95.2 887.18 13,359 13,076 13,729 790
1 day prior 2026-08-08 95.4 887.21 13,383 13,100 13,729 790
2 days prior 2026-08-07 95.6 887.25 13,414 13,131 13,729 791
1 week prior 2026-08-02 94.5 887.05 13,257 12,974 13,729 778
1 month prior 2026-07-09 94.0 886.97 13,195 12,912 13,729 774
3 months prior 2026-05-09 94.8 887.11 13,304 13,021 13,729 782
6 months prior 2026-02-09 95.6 887.25 13,414 13,131 13,729 791
1 year prior 2025-08-09 95.0 887.13 13,320 13,037 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 2026-08-09 23:30 887.15 888.00 -0.85
1 hour prior 2026-08-09 22:30 887.15 888.00 -0.85
2 hours prior 2026-08-09 21:30 887.15 888.00 -0.85
6 hours prior 2026-08-09 17:30 887.16 888.00 -0.84
12 hours prior 2026-08-09 11:30 887.18 888.00 -0.82
24 hours prior 2026-08-08 23:30 887.19 888.00 -0.81
48 hours prior 2026-08-07 23:30 887.23 888.00 -0.77
*

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