Inks Lake: 95.6% full as of 2026-08-23
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 | 2026-08-23 | 95.6 | 887.24 | 13,407 | 13,124 | 13,729 | 791 |
| Yesterday | 2026-08-22 | 95.4 | 887.20 | 13,375 | 13,092 | 13,729 | 790 |
| 2 days ago | 2026-08-21 | 95.3 | 887.19 | 13,367 | 13,084 | 13,729 | 790 |
| 1 week ago | 2026-08-16 | 94.8 | 887.10 | 13,296 | 13,013 | 13,729 | 781 |
| 1 month ago | 2026-07-23 | 93.9 | 886.95 | 13,180 | 12,897 | 13,729 | 773 |
| 3 months ago | 2026-05-23 | 96.5 | 887.39 | 13,525 | 13,242 | 13,729 | 793 |
| 6 months ago | 2026-02-23 | 94.0 | 886.97 | 13,195 | 12,912 | 13,729 | 774 |
| 1 year ago | 2025-08-23 | 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 | 2026-08-23 11:30 | 887.23 | 888.00 | -0.77 |
| 1 hour prior | 2026-08-23 10:30 | 887.23 | 888.00 | -0.77 |
| 2 hours prior | 2026-08-23 09:30 | 887.24 | 888.00 | -0.76 |
| 6 hours prior | 2026-08-23 05:30 | 887.24 | 888.00 | -0.76 |
| 12 hours prior | 2026-08-22 23:30 | 887.27 | 888.00 | -0.73 |
| 24 hours prior | 2026-08-22 11:30 | 887.19 | 888.00 | -0.81 |
| 48 hours prior | 2026-08-21 11:30 | 887.19 | 888.00 | -0.81 |
*
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
