Lake Crook: 85.7% full as of 2026-09-22
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 | 2026-09-22 | 85.7 | 474.72 | 7,894 | 7,879 | 9,195 | 1,008 |
| Yesterday | 2026-09-21 | 85.8 | 474.73 | 7,904 | 7,889 | 9,195 | 1,008 |
| 2 days ago | 2026-09-20 | 86.0 | 474.75 | 7,924 | 7,909 | 9,195 | 1,009 |
| 1 week ago | 2026-09-15 | 87.0 | 474.84 | 8,015 | 8,000 | 9,195 | 1,012 |
| 1 month ago | 2026-08-22 | 91.4 | 475.24 | 8,422 | 8,407 | 9,195 | 1,025 |
| 3 months ago | 2026-06-22 | 100.0 | 476.37 | 9,601 | 9,195 | 9,195 | - n.a. - |
| 6 months ago | 2026-03-22 | 97.7 | 475.80 | 9,001 | 8,986 | 9,195 | 1,043 |
| 1 year ago | 2025-09-22 | 92.9 | 475.37 | 8,556 | 8,541 | 9,195 | 1,029 |
*
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 | 2026-09-22 07:00 | 474.72 | 476.00 | -1.28 |
| 1 hour prior | 2026-09-22 06:00 | 474.72 | 476.00 | -1.28 |
| 2 hours prior | 2026-09-22 05:00 | 474.72 | 476.00 | -1.28 |
| 6 hours prior | 2026-09-22 01:00 | 474.72 | 476.00 | -1.28 |
| 12 hours prior | 2026-09-21 19:00 | 474.72 | 476.00 | -1.28 |
| 24 hours prior | 2026-09-21 07:00 | 474.74 | 476.00 | -1.26 |
| 48 hours prior | 2026-09-20 07:00 | 474.75 | 476.00 | -1.25 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1923-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 456.80 ft above NGVD29 |
| Emergency spillway crest elevation | 476.00 ft above NGVD29 |
| Top of dam elevation | 484.00 ft above NGVD29 |
| Conservation pool elevation | 476.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
| Data Source | USGS:07335600 |
| USGS Monitoring Location | USGS:07335600 |
Lake Location
