Martin Lake: 90.9% full as of 2026-08-05
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 | 2026-08-05 | 90.9 | 304.57 | 68,828 | 68,828 | 75,726 | 4,694 |
| Yesterday | 2026-08-04 | 91.1 | 304.60 | 68,968 | 68,968 | 75,726 | 4,699 |
| 2 days ago | 2026-08-03 | 91.3 | 304.63 | 69,110 | 69,110 | 75,726 | 4,705 |
| 1 week ago | 2026-07-29 | 92.7 | 304.86 | 70,197 | 70,197 | 75,726 | 4,747 |
| 1 month ago | 2026-07-05 | 96.1 | 305.40 | 72,786 | 72,786 | 75,726 | 4,845 |
| 3 months ago | 2026-05-05 | 95.8 | 305.35 | 72,544 | 72,544 | 75,726 | 4,836 |
| 6 months ago | 2026-02-05 | 87.7 | 304.05 | 66,412 | 66,412 | 75,726 | 4,599 |
| 1 year ago | 2025-08-05 | 97.0 | 305.54 | 73,467 | 73,467 | 75,726 | 4,871 |
*
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 | 2026-08-05 18:30 | 304.55 | 306.00 | -1.45 |
| 1 hour prior | 2026-08-05 17:30 | 304.56 | 306.00 | -1.44 |
| 2 hours prior | 2026-08-05 16:30 | 304.55 | 306.00 | -1.45 |
| 6 hours prior | 2026-08-05 12:30 | 304.55 | 306.00 | -1.45 |
| 12 hours prior | 2026-08-05 06:30 | 304.59 | 306.00 | -1.41 |
| 24 hours prior | 2026-08-04 18:30 | 304.60 | 306.00 | -1.40 |
| 48 hours prior | 2026-08-03 18:30 | 304.61 | 306.00 | -1.39 |
*
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
