Lake Crook: 88.2% full as of 2026-09-06
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 | 2026-09-06 | 88.2 | 474.95 | 8,126 | 8,111 | 9,195 | 1,016 |
| Yesterday | 2026-09-05 | 88.3 | 474.96 | 8,137 | 8,122 | 9,195 | 1,016 |
| 2 days ago | 2026-09-04 | 88.4 | 474.97 | 8,147 | 8,132 | 9,195 | 1,016 |
| 1 week ago | 2026-08-30 | 89.5 | 475.07 | 8,248 | 8,233 | 9,195 | 1,019 |
| 1 month ago | 2026-08-06 | 94.3 | 475.50 | 8,690 | 8,675 | 9,195 | 1,033 |
| 3 months ago | 2026-06-06 | 99.0 | 475.91 | 9,116 | 9,101 | 9,195 | 1,047 |
| 6 months ago | 2026-03-06 | 97.3 | 475.76 | 8,960 | 8,945 | 9,195 | 1,041 |
| 1 year ago | 2025-09-06 | 94.1 | 475.48 | 8,669 | 8,654 | 9,195 | 1,033 |
*
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 | 2026-09-06 00:00 | 474.95 | 476.00 | -1.05 |
| 1 hour prior | 2026-09-05 23:00 | 474.95 | 476.00 | -1.05 |
| 2 hours prior | 2026-09-05 22:00 | 474.95 | 476.00 | -1.05 |
| 6 hours prior | 2026-09-05 18:00 | 474.95 | 476.00 | -1.05 |
| 12 hours prior | 2026-09-05 12:00 | 474.96 | 476.00 | -1.04 |
| 24 hours prior | 2026-09-05 00:00 | 474.96 | 476.00 | -1.04 |
| 48 hours prior | 2026-09-04 00:00 | 474.98 | 476.00 | -1.02 |
*
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 |