Martin Lake: 77.5% full as of 2026-10-13
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 | 2026-10-13 | 77.5 | 302.31 | 58,685 | 58,685 | 75,726 | 4,282 |
| Yesterday | 2026-10-12 | 77.6 | 302.33 | 58,770 | 58,770 | 75,726 | 4,286 |
| 2 days ago | 2026-10-11 | 77.8 | 302.36 | 58,899 | 58,899 | 75,726 | 4,291 |
| 1 week ago | 2026-10-06 | 78.5 | 302.49 | 59,458 | 59,458 | 75,726 | 4,315 |
| 1 month ago | 2026-09-13 | 81.8 | 303.06 | 61,948 | 61,948 | 75,726 | 4,419 |
| 3 months ago | 2026-07-13 | 95.4 | 305.29 | 72,254 | 72,254 | 75,726 | 4,825 |
| 6 months ago | 2026-04-13 | 95.6 | 305.32 | 72,399 | 72,399 | 75,726 | 4,830 |
| 1 year ago | 2025-10-13 | 91.2 | 304.62 | 69,063 | 69,063 | 75,726 | 4,703 |
*
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 | 2026-10-13 16:30 | 302.30 | 306.00 | -3.70 |
| 1 hour prior | 2026-10-13 15:30 | 302.31 | 306.00 | -3.69 |
| 2 hours prior | 2026-10-13 14:30 | 302.30 | 306.00 | -3.70 |
| 6 hours prior | 2026-10-13 10:30 | 302.32 | 306.00 | -3.68 |
| 12 hours prior | 2026-10-13 04:30 | 302.31 | 306.00 | -3.69 |
| 24 hours prior | 2026-10-12 16:30 | 302.33 | 306.00 | -3.67 |
| 48 hours prior | 2026-10-11 16:30 | 302.36 | 306.00 | -3.64 |
*
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
