Lake Arrowhead: 70.1% full as of 2026-10-26
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 | 2026-10-26 | 70.1 | 920.76 | 161,430 | 161,430 | 230,359 | 11,803 |
| Yesterday | 2026-10-25 | 70.1 | 920.77 | 161,548 | 161,548 | 230,359 | 11,808 |
| 2 days ago | 2026-10-24 | 70.2 | 920.78 | 161,666 | 161,666 | 230,359 | 11,814 |
| 1 week ago | 2026-10-19 | 70.5 | 920.85 | 162,494 | 162,494 | 230,359 | 11,850 |
| 1 month ago | 2026-09-26 | 69.7 | 920.69 | 160,605 | 160,605 | 230,359 | 11,767 |
| 3 months ago | 2026-07-26 | 79.2 | 922.48 | 182,494 | 182,494 | 230,359 | 12,690 |
| 6 months ago | 2026-04-26 | 85.4 | 923.58 | 196,766 | 196,766 | 230,359 | 13,258 |
| 1 year ago | 2025-10-26 | 87.4 | 923.92 | 201,303 | 201,303 | 230,359 | 13,433 |
*
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 | 2026-10-26 17:00 | 920.74 | 926.00 | -5.26 |
| 1 hour prior | 2026-10-26 16:00 | 920.74 | 926.00 | -5.26 |
| 2 hours prior | 2026-10-26 15:00 | 920.76 | 926.00 | -5.24 |
| 6 hours prior | 2026-10-26 11:00 | 920.76 | 926.00 | -5.24 |
| 12 hours prior | 2026-10-26 05:00 | 920.76 | 926.00 | -5.24 |
| 24 hours prior | 2026-10-25 17:00 | 920.77 | 926.00 | -5.23 |
| 48 hours prior | 2026-10-24 17:00 | 920.78 | 926.00 | -5.22 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1966-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 874.00 ft above NGVD29 |
| Service spillway crest elevation | 926.00 ft above NGVD29 |
| Maximum design elevation | 939.55 ft above NGVD29 |
| Top of dam elevation | 944.00 ft above NGVD29 |
| Conservation pool elevation | 926.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2001-06-01 (source: TWDB)
: GIS Data
2013-09-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:07314800 |
| USGS Monitoring Location | USGS:07314800 |
Lake Location
