Martin Lake: 78.7% full as of 2026-10-05
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 | 2026-10-05 | 78.7 | 302.53 | 59,631 | 59,631 | 75,726 | 4,322 |
| Yesterday | 2026-10-04 | 78.9 | 302.55 | 59,718 | 59,718 | 75,726 | 4,326 |
| 2 days ago | 2026-10-03 | 79.0 | 302.58 | 59,847 | 59,847 | 75,726 | 4,332 |
| 1 week ago | 2026-09-28 | 79.2 | 302.61 | 59,977 | 59,977 | 75,726 | 4,337 |
| 1 month ago | 2026-09-05 | 83.3 | 303.31 | 63,058 | 63,058 | 75,726 | 4,464 |
| 3 months ago | 2026-07-05 | 96.1 | 305.39 | 72,738 | 72,738 | 75,726 | 4,843 |
| 6 months ago | 2026-04-05 | 94.1 | 305.08 | 71,245 | 71,245 | 75,726 | 4,787 |
| 1 year ago | 2025-10-05 | 92.4 | 304.81 | 69,959 | 69,959 | 75,726 | 4,738 |
*
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 | 2026-10-05 16:30 | 302.50 | 306.00 | -3.50 |
| 1 hour prior | 2026-10-05 15:30 | 302.52 | 306.00 | -3.48 |
| 2 hours prior | 2026-10-05 14:30 | 302.51 | 306.00 | -3.49 |
| 6 hours prior | 2026-10-05 10:30 | 302.52 | 306.00 | -3.48 |
| 12 hours prior | 2026-10-05 04:30 | 302.54 | 306.00 | -3.46 |
| 24 hours prior | 2026-10-04 16:30 | 302.54 | 306.00 | -3.46 |
| 48 hours prior | 2026-10-03 16:30 | 302.58 | 306.00 | -3.42 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1974-01-01 |
| Vertical datum | NGVD29 |
| Service spillway crest elevation | 294.00 ft above NGVD29 |
| Emergency spillway crest elevation | 312.00 ft above NGVD29 |
| Top of dam elevation | 321.50 ft above NGVD29 |
| Conservation pool elevation | 306.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1999-05-01 (source: TWDB)
: GIS Data
2014-08-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08022060 |
| USGS Monitoring Location | USGS:08022060 |
Lake Location
