Martin Lake: 74.6% full as of 2026-11-09
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 | 2026-11-09 | 74.6 | 301.79 | 56,482 | 56,482 | 75,726 | 4,188 |
| Yesterday | 2026-11-08 | 74.7 | 301.81 | 56,566 | 56,566 | 75,726 | 4,191 |
| 2 days ago | 2026-11-07 | 74.8 | 301.83 | 56,650 | 56,650 | 75,726 | 4,195 |
| 1 week ago | 2026-11-02 | 74.7 | 301.81 | 56,566 | 56,566 | 75,726 | 4,191 |
| 1 month ago | 2026-10-09 | 78.1 | 302.41 | 59,114 | 59,114 | 75,726 | 4,301 |
| 3 months ago | 2026-08-09 | 89.7 | 304.38 | 67,939 | 67,939 | 75,726 | 4,659 |
| 6 months ago | 2026-05-09 | 95.5 | 305.31 | 72,351 | 72,351 | 75,726 | 4,829 |
| 1 year ago | 2025-11-09 | 89.5 | 304.35 | 67,800 | 67,800 | 75,726 | 4,654 |
*
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 | 2026-11-09 07:30 | 301.79 | 306.00 | -4.21 |
| 1 hour prior | 2026-11-09 06:30 | 301.80 | 306.00 | -4.20 |
| 2 hours prior | 2026-11-09 05:30 | 301.79 | 306.00 | -4.21 |
| 6 hours prior | 2026-11-09 01:30 | 301.79 | 306.00 | -4.21 |
| 12 hours prior | 2026-11-08 19:30 | 301.80 | 306.00 | -4.20 |
| 24 hours prior | 2026-11-08 07:30 | 301.81 | 306.00 | -4.19 |
| 48 hours prior | 2026-11-07 07:30 | 301.84 | 306.00 | -4.16 |
*
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
