Lake Arrowhead: 69.9% full as of 2026-11-12
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 | 2026-11-12 | 69.9 | 920.73 | 161,076 | 161,076 | 230,359 | 11,788 |
| Yesterday | 2026-11-11 | 69.9 | 920.73 | 161,076 | 161,076 | 230,359 | 11,788 |
| 2 days ago | 2026-11-10 | 70.0 | 920.75 | 161,312 | 161,312 | 230,359 | 11,798 |
| 1 week ago | 2026-11-05 | 70.2 | 920.78 | 161,666 | 161,666 | 230,359 | 11,814 |
| 1 month ago | 2026-10-12 | 69.4 | 920.62 | 159,782 | 159,782 | 230,359 | 11,731 |
| 3 months ago | 2026-08-12 | 76.4 | 921.97 | 176,089 | 176,089 | 230,359 | 12,427 |
| 6 months ago | 2026-05-12 | 85.0 | 923.51 | 195,839 | 195,839 | 230,359 | 13,222 |
| 1 year ago | 2025-11-12 | 85.6 | 923.61 | 197,163 | 197,163 | 230,359 | 13,273 |
*
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 | 2026-11-12 08:00 | 920.74 | 926.00 | -5.26 |
| 1 hour prior | 2026-11-12 07:00 | 920.74 | 926.00 | -5.26 |
| 2 hours prior | 2026-11-12 06:00 | 920.72 | 926.00 | -5.28 |
| 6 hours prior | 2026-11-12 02:00 | 920.74 | 926.00 | -5.26 |
| 12 hours prior | 2026-11-11 20:00 | 920.71 | 926.00 | -5.29 |
| 24 hours prior | 2026-11-11 08:00 | 920.74 | 926.00 | -5.26 |
| 48 hours prior | 2026-11-10 08:00 | 920.75 | 926.00 | -5.25 |
*
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
