Lake Corpus Christi: 83.2% full as of 2026-10-09
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-10-09 | 83.2 | 91.74 | 213,221 | 212,943 | 256,062 | 18,410 |
| Yesterday | 2026-10-08 | 83.3 | 91.76 | 213,589 | 213,311 | 256,062 | 18,422 |
| 2 days ago | 2026-10-07 | 83.6 | 91.80 | 214,326 | 214,048 | 256,062 | 18,446 |
| 1 week ago | 2026-10-02 | 84.5 | 91.93 | 216,729 | 216,451 | 256,062 | 18,523 |
| 1 month ago | 2026-09-09 | 87.3 | 92.31 | 223,810 | 223,532 | 256,062 | 18,748 |
| 3 months ago | 2026-07-09 | 34.2 | 83.40 | 87,889 | 87,611 | 256,062 | 11,258 |
| 6 months ago | 2026-04-09 | 8.5 | 74.81 | 22,021 | 21,743 | 256,062 | 4,667 |
| 1 year ago | 2025-10-09 | 14.5 | 77.57 | 37,348 | 37,070 | 256,062 | 6,396 |
*
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 | 2026-10-09 00:00 | 91.74 | 94.00 | -2.26 |
| 1 hour prior | 2026-10-08 23:00 | 91.74 | 94.00 | -2.26 |
| 2 hours prior | 2026-10-08 22:00 | 91.73 | 94.00 | -2.27 |
| 6 hours prior | 2026-10-08 18:00 | 91.75 | 94.00 | -2.25 |
| 12 hours prior | 2026-10-08 12:00 | 91.78 | 94.00 | -2.22 |
| 24 hours prior | 2026-10-08 00:00 | 91.77 | 94.00 | -2.23 |
| 48 hours prior | 2026-10-07 00:00 | 91.81 | 94.00 | -2.19 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1958-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 55.50 ft above NGVD29 |
| Service spillway crest elevation | 93.80 ft above NGVD29 |
| Top of gate elevation | 94.30 ft above NGVD29 |
| Emergency spillway crest elevation | 88.00 ft above NGVD29 |
| Top of dam elevation | 106.00 ft above NGVD29 |
| Conservation pool elevation | 94.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1956-07-01 (source: TWDB)
2002-01-01 (source: TWDB)
: GIS Data
2012-05-01 (source: TWDB)
: GIS Data
2016-02-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08210500 |
| USGS Monitoring Location | USGS:08210500 |