Lake Nacogdoches: 82.2% full as of 2026-11-09
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 | 2026-11-09 | 82.2 | 275.54 | 32,496 | 32,494 | 39,522 | 1,882 |
| 1 day prior | 2026-11-08 | 82.3 | 275.56 | 32,533 | 32,531 | 39,522 | 1,884 |
| 2 days prior | 2026-11-07 | 82.4 | 275.58 | 32,571 | 32,569 | 39,522 | 1,885 |
| 1 week prior | 2026-11-02 | 82.5 | 275.60 | 32,609 | 32,607 | 39,522 | 1,887 |
| 1 month prior | 2026-10-09 | 84.8 | 276.08 | 33,526 | 33,524 | 39,522 | 1,935 |
| 3 months prior | 2026-08-09 | 91.7 | 277.44 | 36,229 | 36,227 | 39,522 | 2,043 |
| 6 months prior | 2026-05-09 | 97.4 | 278.52 | 38,485 | 38,483 | 39,522 | 2,138 |
| 1 year prior | 2025-11-09 | 90.6 | 277.23 | 35,802 | 35,800 | 39,522 | 2,026 |
*
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 | 2026-11-09 22:45 | 275.53 | 279.00 | -3.47 |
| 1 hour prior | 2026-11-09 21:45 | 275.53 | 279.00 | -3.47 |
| 2 hours prior | 2026-11-09 20:45 | 275.53 | 279.00 | -3.47 |
| 6 hours prior | 2026-11-09 16:45 | 275.54 | 279.00 | -3.46 |
| 12 hours prior | 2026-11-09 10:45 | 275.54 | 279.00 | -3.46 |
| 24 hours prior | 2026-11-08 22:45 | 275.55 | 279.00 | -3.45 |
| 48 hours prior | 2026-11-07 22:45 | 275.57 | 279.00 | -3.43 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1977-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 235.90 ft above NGVD29 |
| Service spillway crest elevation | 279.00 ft above NGVD29 |
| Emergency spillway crest elevation | 286.10 ft above NGVD29 |
| Maximum design elevation | 298.50 ft above NGVD29 |
| Top of dam elevation | 303.00 ft above NGVD29 |
| Conservation pool elevation | 279.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:08036700 |
| USGS Monitoring Location | USGS:08036700 |
Lake Location
