Lake Nacogdoches: 82.6% full as of 2026-11-05
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 | 2026-11-05 | 82.6 | 275.62 | 32,646 | 32,644 | 39,522 | 1,889 |
| Yesterday | 2026-11-04 | 82.7 | 275.64 | 32,684 | 32,682 | 39,522 | 1,890 |
| 2 days ago | 2026-11-03 | 82.6 | 275.62 | 32,646 | 32,644 | 39,522 | 1,889 |
| 1 week ago | 2026-10-29 | 82.2 | 275.53 | 32,477 | 32,475 | 39,522 | 1,882 |
| 1 month ago | 2026-10-05 | 85.4 | 276.19 | 33,739 | 33,737 | 39,522 | 1,944 |
| 3 months ago | 2026-08-05 | 91.9 | 277.49 | 36,331 | 36,329 | 39,522 | 2,047 |
| 6 months ago | 2026-05-05 | 97.9 | 278.61 | 38,678 | 38,676 | 39,522 | 2,147 |
| 1 year ago | 2025-11-05 | 90.8 | 277.27 | 35,883 | 35,881 | 39,522 | 2,029 |
*
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 | 2026-11-05 06:45 | 275.62 | 279.00 | -3.38 |
| 1 hour prior | 2026-11-05 05:45 | 275.62 | 279.00 | -3.38 |
| 2 hours prior | 2026-11-05 04:45 | 275.62 | 279.00 | -3.38 |
| 6 hours prior | 2026-11-05 00:45 | 275.63 | 279.00 | -3.37 |
| 12 hours prior | 2026-11-04 18:45 | 275.63 | 279.00 | -3.37 |
| 24 hours prior | 2026-11-04 06:45 | 275.64 | 279.00 | -3.36 |
| 48 hours prior | 2026-11-03 06:45 | 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
