Lake Coleman: 78.0% full as of 2026-10-06
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 | 2026-10-06 | 78.0 | 1,712.65 | 29,708 | 29,690 | 38,075 | 1,621 |
| 1 day prior | 2026-10-05 | 78.1 | 1,712.67 | 29,740 | 29,722 | 38,075 | 1,622 |
| 2 days prior | 2026-10-04 | 78.1 | 1,712.67 | 29,740 | 29,722 | 38,075 | 1,622 |
| 1 week prior | 2026-09-29 | 78.3 | 1,712.73 | 29,838 | 29,820 | 38,075 | 1,630 |
| 1 month prior | 2026-09-06 | 80.0 | 1,713.11 | 30,464 | 30,446 | 38,075 | 1,657 |
| 3 months prior | 2026-07-06 | 86.2 | 1,714.53 | 32,854 | 32,836 | 38,075 | 1,710 |
| 6 months prior | 2026-04-06 | 82.7 | 1,713.74 | 31,515 | 31,497 | 38,075 | 1,680 |
| 1 year prior | 2025-10-06 | 89.4 | 1,715.22 | 34,046 | 34,028 | 38,075 | 1,741 |
*
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 | 2026-10-07 03:30 | 1,712.63 | 1,717.50 | -4.87 |
| 1 hour prior | 2026-10-07 02:30 | 1,712.63 | 1,717.50 | -4.87 |
| 2 hours prior | 2026-10-07 01:30 | 1,712.64 | 1,717.50 | -4.86 |
| 6 hours prior | 2026-10-06 21:30 | 1,712.64 | 1,717.50 | -4.86 |
| 12 hours prior | 2026-10-06 15:30 | 1,712.66 | 1,717.50 | -4.84 |
| 24 hours prior | 2026-10-06 03:30 | 1,712.65 | 1,717.50 | -4.85 |
| 48 hours prior | 2026-10-05 03:30 | 1,712.67 | 1,717.50 | -4.83 |
*
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
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|
| Data Source | USGS:08140770 |
| USGS Monitoring Location | USGS:08140770 |
Lake Location
