Martin Lake: 79.7% full as of 2026-09-27
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 | 2026-09-27 | 79.7 | 302.70 | 60,368 | 60,368 | 75,726 | 4,353 |
| Yesterday | 2026-09-26 | 79.8 | 302.72 | 60,456 | 60,456 | 75,726 | 4,357 |
| 2 days ago | 2026-09-25 | 80.0 | 302.75 | 60,587 | 60,587 | 75,726 | 4,362 |
| 1 week ago | 2026-09-20 | 80.8 | 302.88 | 61,155 | 61,155 | 75,726 | 4,386 |
| 1 month ago | 2026-08-27 | 85.3 | 303.66 | 64,632 | 64,632 | 75,726 | 4,528 |
| 3 months ago | 2026-06-27 | 97.9 | 305.67 | 74,101 | 74,101 | 75,726 | 4,894 |
| 6 months ago | 2026-03-27 | 90.1 | 304.45 | 68,266 | 68,266 | 75,726 | 4,672 |
| 1 year ago | 2025-09-27 | 93.5 | 304.99 | 70,815 | 70,815 | 75,726 | 4,770 |
*
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 | 2026-09-27 16:30 | 302.69 | 306.00 | -3.31 |
| 1 hour prior | 2026-09-27 15:30 | 302.69 | 306.00 | -3.31 |
| 2 hours prior | 2026-09-27 14:30 | 302.69 | 306.00 | -3.31 |
| 6 hours prior | 2026-09-27 10:30 | 302.68 | 306.00 | -3.32 |
| 12 hours prior | 2026-09-27 04:30 | 302.71 | 306.00 | -3.29 |
| 24 hours prior | 2026-09-26 16:30 | 302.71 | 306.00 | -3.29 |
| 48 hours prior | 2026-09-25 16:30 | 302.75 | 306.00 | -3.25 |
*
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
