Lake Crook: 94.7% full as of 2026-08-12
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 | 2026-08-12 | 94.7 | 475.53 | 8,721 | 8,706 | 9,195 | 1,034 |
| Yesterday | 2026-08-11 | 94.8 | 475.54 | 8,731 | 8,716 | 9,195 | 1,035 |
| 2 days ago | 2026-08-10 | 95.1 | 475.57 | 8,762 | 8,747 | 9,195 | 1,036 |
| 1 week ago | 2026-08-05 | 95.4 | 475.59 | 8,783 | 8,768 | 9,195 | 1,036 |
| 1 month ago | 2026-07-12 | 99.4 | 475.95 | 9,158 | 9,143 | 9,195 | 1,053 |
| 3 months ago | 2026-05-12 | 100.0 | 476.24 | 9,463 | 9,195 | 9,195 | - n.a. - |
| 6 months ago | 2026-02-12 | 91.0 | 475.20 | 8,381 | 8,366 | 9,195 | 1,024 |
| 1 year ago | 2025-08-12 | 96.2 | 475.66 | 8,856 | 8,841 | 9,195 | 1,038 |
*
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 | 2026-08-12 19:00 | 475.51 | 476.00 | -0.49 |
| 1 hour prior | 2026-08-12 18:00 | 475.50 | 476.00 | -0.50 |
| 2 hours prior | 2026-08-12 17:00 | 475.51 | 476.00 | -0.49 |
| 6 hours prior | 2026-08-12 13:00 | 475.52 | 476.00 | -0.48 |
| 12 hours prior | 2026-08-12 07:00 | 475.52 | 476.00 | -0.48 |
| 24 hours prior | 2026-08-11 19:00 | 475.54 | 476.00 | -0.46 |
| 48 hours prior | 2026-08-10 19:00 | 475.55 | 476.00 | -0.45 |
*
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
