Mountain Creek Lake: 100.0% full as of 2026-08-25
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 | 2026-08-25 | 100.0 | 457.05 | 22,964 | 22,850 | 22,850 | 2,708 |
| 1 day prior | 2026-08-24 | 100.0 | 457.06 | 22,987 | 22,850 | 22,850 | 2,710 |
| 2 days prior | 2026-08-23 | 100.0 | 457.11 | 23,101 | 22,850 | 22,850 | 2,721 |
| 1 week prior | 2026-08-18 | 100.0 | 457.16 | 23,218 | 22,850 | 22,850 | 2,733 |
| 1 month prior | 2026-07-25 | 100.0 | 457.52 | 24,169 | 22,850 | 22,850 | 2,828 |
| 3 months prior | 2026-05-25 | 100.0 | 458.07 | 26,012 | 22,850 | 22,850 | - n.a. - |
| 6 months prior | 2026-02-25 | 100.0 | 457.68 | 24,664 | 22,850 | 22,850 | 2,886 |
| 1 year prior | 2025-08-25 | 100.0 | 457.51 | 24,139 | 22,850 | 22,850 | 2,824 |
*
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 | 2026-08-25 23:45 | 457.06 | 457.00 | 0.06 |
| 1 hour prior | 2026-08-25 22:45 | 457.06 | 457.00 | 0.06 |
| 2 hours prior | 2026-08-25 21:45 | 457.07 | 457.00 | 0.07 |
| 6 hours prior | 2026-08-25 17:45 | 457.05 | 457.00 | 0.05 |
| 12 hours prior | 2026-08-25 11:45 | 457.05 | 457.00 | 0.05 |
| 24 hours prior | 2026-08-24 23:45 | 457.06 | 457.00 | 0.06 |
| 48 hours prior | 2026-08-23 23:45 | 457.11 | 457.00 | 0.11 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1936-01-01 |
| Vertical datum | NGVD29 |
| Service spillway crest elevation | 431.00 ft above NGVD29 |
| Emergency spillway crest elevation | 458.00 ft above NGVD29 |
| Top of dam elevation | 467.00 ft above NGVD29 |
| Conservation pool elevation | 457.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
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|
| Data Source | USGS:08050050 |
| USGS Monitoring Location | USGS:08050050 |
Lake Location
