Lake Coleman: 78.2% full as of 2026-10-02
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 | 2026-10-02 | 78.2 | 1,712.70 | 29,789 | 29,771 | 38,075 | 1,623 |
| Yesterday | 2026-10-01 | 78.3 | 1,712.72 | 29,821 | 29,803 | 38,075 | 1,628 |
| 2 days ago | 2026-09-30 | 78.2 | 1,712.71 | 29,805 | 29,787 | 38,075 | 1,626 |
| 1 week ago | 2026-09-25 | 78.5 | 1,712.78 | 29,919 | 29,901 | 38,075 | 1,641 |
| 1 month ago | 2026-09-02 | 80.4 | 1,713.21 | 30,629 | 30,611 | 38,075 | 1,661 |
| 3 months ago | 2026-07-02 | 86.7 | 1,714.63 | 33,025 | 33,007 | 38,075 | 1,714 |
| 6 months ago | 2026-04-02 | 82.9 | 1,713.78 | 31,582 | 31,564 | 38,075 | 1,682 |
| 1 year ago | 2025-10-02 | 89.7 | 1,715.29 | 34,168 | 34,150 | 38,075 | 1,743 |
*
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 | 2026-10-02 16:30 | 1,712.70 | 1,717.50 | -4.80 |
| 1 hour prior | 2026-10-02 15:30 | 1,712.70 | 1,717.50 | -4.80 |
| 2 hours prior | 2026-10-02 14:30 | 1,712.70 | 1,717.50 | -4.80 |
| 6 hours prior | 2026-10-02 10:30 | 1,712.70 | 1,717.50 | -4.80 |
| 12 hours prior | 2026-10-02 04:30 | 1,712.70 | 1,717.50 | -4.80 |
| 24 hours prior | 2026-10-01 16:30 | 1,712.73 | 1,717.50 | -4.77 |
| 48 hours prior | 2026-09-30 16:30 | 1,712.70 | 1,717.50 | -4.80 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1966-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 1,662.50 ft above NGVD29 |
| Service spillway crest elevation | 1,717.50 ft above NGVD29 |
| Emergency spillway crest elevation | 1,726.00 ft above NGVD29 |
| Top of dam elevation | 1,740.00 ft above NGVD29 |
| Conservation pool elevation | 1,717.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2006-08-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08140770 |
| USGS Monitoring Location | USGS:08140770 |
Lake Location
