Martin Lake: 75.3% full as of 2026-10-25
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-10-25 | 75.3 | 301.92 | 57,028 | 57,028 | 75,726 | 4,211 |
| 1 day prior | 2026-10-24 | 75.4 | 301.94 | 57,113 | 57,113 | 75,726 | 4,215 |
| 2 days prior | 2026-10-23 | 75.5 | 301.96 | 57,197 | 57,197 | 75,726 | 4,219 |
| 1 week prior | 2026-10-18 | 76.3 | 302.10 | 57,789 | 57,789 | 75,726 | 4,244 |
| 1 month prior | 2026-09-25 | 79.7 | 302.70 | 60,368 | 60,368 | 75,726 | 4,353 |
| 3 months prior | 2026-07-25 | 93.6 | 305.01 | 70,911 | 70,911 | 75,726 | 4,774 |
| 6 months prior | 2026-04-25 | 95.4 | 305.28 | 72,206 | 72,206 | 75,726 | 4,823 |
| 1 year prior | 2025-10-25 | 90.1 | 304.44 | 68,219 | 68,219 | 75,726 | 4,670 |
*
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 | 2026-10-25 23:30 | 301.90 | 306.00 | -4.10 |
| 1 hour prior | 2026-10-25 22:30 | 301.90 | 306.00 | -4.10 |
| 2 hours prior | 2026-10-25 21:30 | 301.90 | 306.00 | -4.10 |
| 6 hours prior | 2026-10-25 17:30 | 301.90 | 306.00 | -4.10 |
| 12 hours prior | 2026-10-25 11:30 | 301.91 | 306.00 | -4.09 |
| 24 hours prior | 2026-10-24 23:30 | 301.93 | 306.00 | -4.07 |
| 48 hours prior | 2026-10-23 23:30 | 301.94 | 306.00 | -4.06 |
*
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
