Inks Lake: 94.6% full as of 2026-08-13
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 | 2026-08-13 | 94.6 | 887.06 | 13,265 | 12,982 | 13,729 | 779 |
| Yesterday | 2026-08-12 | 94.6 | 887.07 | 13,273 | 12,990 | 13,729 | 780 |
| 2 days ago | 2026-08-11 | 94.8 | 887.10 | 13,296 | 13,013 | 13,729 | 781 |
| 1 week ago | 2026-08-06 | 95.9 | 887.29 | 13,446 | 13,163 | 13,729 | 792 |
| 1 month ago | 2026-07-13 | 94.2 | 887.00 | 13,218 | 12,935 | 13,729 | 776 |
| 3 months ago | 2026-05-13 | 98.0 | 887.65 | 13,732 | 13,449 | 13,729 | 797 |
| 6 months ago | 2026-02-13 | 95.6 | 887.25 | 13,414 | 13,131 | 13,729 | 791 |
| 1 year ago | 2025-08-13 | 95.5 | 887.23 | 13,399 | 13,116 | 13,729 | 791 |
*
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 | 2026-08-13 06:30 | 887.06 | 888.00 | -0.94 |
| 1 hour prior | 2026-08-13 05:30 | 887.06 | 888.00 | -0.94 |
| 2 hours prior | 2026-08-13 04:30 | 887.06 | 888.00 | -0.94 |
| 6 hours prior | 2026-08-13 00:30 | 887.06 | 888.00 | -0.94 |
| 12 hours prior | 2026-08-12 18:30 | 887.04 | 888.00 | -0.96 |
| 24 hours prior | 2026-08-12 06:30 | 887.06 | 888.00 | -0.94 |
| 48 hours prior | 2026-08-11 06:30 | 887.11 | 888.00 | -0.89 |
*
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
