Comanche Creek Reservoir: 100.0% full as of 2026-08-11
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 | 2026-08-11 | 100.0 | 775.23 | 152,002 | 151,250 | 151,250 | - n.a. - |
| Yesterday | 2026-08-10 | 100.0 | 775.24 | 152,034 | 151,250 | 151,250 | - n.a. - |
| 2 days ago | 2026-08-09 | 100.0 | 775.24 | 152,034 | 151,250 | 151,250 | - n.a. - |
| 1 week ago | 2026-08-04 | 100.0 | 775.29 | 152,193 | 151,250 | 151,250 | - n.a. - |
| 1 month ago | 2026-07-11 | 100.0 | 775.28 | 152,161 | 151,250 | 151,250 | - n.a. - |
| 3 months ago | 2026-05-11 | 100.0 | 775.40 | 152,543 | 151,250 | 151,250 | - n.a. - |
| 6 months ago | 2026-02-11 | 98.6 | 774.34 | 149,195 | 149,172 | 151,250 | 3,132 |
| 1 year ago | 2025-08-11 | 100.0 | 775.30 | 152,225 | 151,250 | 151,250 | - n.a. - |
*
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 | 2026-08-11 18:00 | 775.23 | 775.00 | 0.23 |
| 1 hour prior | 2026-08-11 17:00 | 775.22 | 775.00 | 0.22 |
| 2 hours prior | 2026-08-11 16:00 | 775.23 | 775.00 | 0.23 |
| 6 hours prior | 2026-08-11 12:00 | 775.23 | 775.00 | 0.23 |
| 12 hours prior | 2026-08-11 06:00 | 775.23 | 775.00 | 0.23 |
| 24 hours prior | 2026-08-10 18:00 | 775.24 | 775.00 | 0.24 |
| 48 hours prior | 2026-08-09 18:00 | 775.25 | 775.00 | 0.25 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1977-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 653.00 ft above NGVD29 |
| Service spillway crest elevation | 775.00 ft above NGVD29 |
| Emergency spillway crest elevation | 783.00 ft above NGVD29 |
| Top of dam elevation | 796.00 ft above NGVD29 |
| Conservation pool elevation | 775.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2007-12-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08091730 |
| USGS Monitoring Location | USGS:08091730 |