Lake Coleman: 83.9% full as of 2026-08-04
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 | 2026-08-04 | 83.9 | 1,714.00 | 31,953 | 31,935 | 38,075 | 1,690 |
| Yesterday | 2026-08-03 | 84.0 | 1,714.03 | 32,004 | 31,986 | 38,075 | 1,691 |
| 2 days ago | 2026-08-02 | 84.1 | 1,714.06 | 32,055 | 32,037 | 38,075 | 1,692 |
| 1 week ago | 2026-07-28 | 84.7 | 1,714.19 | 32,275 | 32,257 | 38,075 | 1,697 |
| 1 month ago | 2026-07-04 | 86.5 | 1,714.58 | 32,940 | 32,922 | 38,075 | 1,712 |
| 3 months ago | 2026-05-04 | 87.1 | 1,714.73 | 33,197 | 33,179 | 38,075 | 1,720 |
| 6 months ago | 2026-02-04 | 84.2 | 1,714.08 | 32,088 | 32,070 | 38,075 | 1,693 |
| 1 year ago | 2025-08-04 | 94.7 | 1,716.38 | 36,086 | 36,068 | 38,075 | 1,776 |
*
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 | 2026-08-04 15:30 | 1,714.00 | 1,717.50 | -3.50 |
| 1 hour prior | 2026-08-04 14:30 | 1,714.00 | 1,717.50 | -3.50 |
| 2 hours prior | 2026-08-04 13:30 | 1,714.00 | 1,717.50 | -3.50 |
| 6 hours prior | 2026-08-04 09:30 | 1,713.99 | 1,717.50 | -3.51 |
| 12 hours prior | 2026-08-04 03:30 | 1,714.00 | 1,717.50 | -3.50 |
| 24 hours prior | 2026-08-03 15:30 | 1,714.03 | 1,717.50 | -3.47 |
| 48 hours prior | 2026-08-02 15:30 | 1,714.06 | 1,717.50 | -3.44 |
*
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
