Is Whittier Narrows Dam Rio Hondo full?
Whittier Narrows Dam Rio Hondo is not full: at 185.40 ft it is 16.20 ft below full pool (201.60 ft). Over the last 7 days the level changed by −0.04 ft.
Whittier Narrows Dam Rio Hondo level history
In the 363 days we have on record (Nov 3, 2025 to Nov 4, 2026), the highest level was 201.22 ft on Dec 26, 2025 and the lowest was 183.12 ft on Dec 6, 2025.
Whittier Narrows Dam Rio Hondo storage
The reservoir held 4 acre-ft of water at the last reading (Nov 4, 2026, 4:00 AM PST).