Inks Lake: 94.7% full as of 2026-10-02
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 | 2026-10-02 | 94.7 | 887.08 | 13,281 | 12,998 | 13,729 | 780 |
| Yesterday | 2026-10-01 | 94.8 | 887.10 | 13,296 | 13,013 | 13,729 | 781 |
| 2 days ago | 2026-09-30 | 94.9 | 887.12 | 13,312 | 13,029 | 13,729 | 783 |
| 1 week ago | 2026-09-25 | 94.4 | 887.03 | 13,242 | 12,959 | 13,729 | 777 |
| 1 month ago | 2026-09-02 | 94.9 | 887.12 | 13,312 | 13,029 | 13,729 | 783 |
| 3 months ago | 2026-07-02 | 94.2 | 886.99 | 13,211 | 12,928 | 13,729 | 775 |
| 6 months ago | 2026-04-02 | 95.8 | 887.28 | 13,438 | 13,155 | 13,729 | 791 |
| 1 year ago | 2025-10-02 | 87.7 | 885.80 | 12,317 | 12,034 | 13,729 | 731 |
*
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 | 2026-10-02 17:00 | 887.21 | 888.00 | -0.79 |
| 1 hour prior | 2026-10-02 16:00 | 887.21 | 888.00 | -0.79 |
| 2 hours prior | 2026-10-02 15:00 | 887.20 | 888.00 | -0.80 |
| 6 hours prior | 2026-10-02 11:00 | 887.13 | 888.00 | -0.87 |
| 12 hours prior | 2026-10-02 05:00 | 887.08 | 888.00 | -0.92 |
| 24 hours prior | 2026-10-01 17:00 | 887.02 | 888.00 | -0.98 |
| 48 hours prior | 2026-09-30 17:00 | 887.10 | 888.00 | -0.90 |
*
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
