← Washington lake levels

Diablo Reservoir Water Level Today

Gage height (not an elevation) 1,203.70 ft Reported Nov 4, 2026, 3:00 AM PST · U.S. Geological Survey, gauge 12176500 · Provisional data

Diablo Reservoir level history

The chart appears once we have two days of readings. We add one reading a day.

Lakes near Diablo Reservoir

Baker Lake 26 mi · 711.67 ft Lake Shannon 30 mi · 406.05 ft Conconully Lake 64 mi · 2,298.19 ft Conconcully Reservoir 64 mi · 2,251.51 ft South Fork Tolt Reservoir 75 mi · 1,717.13 ft Lake Chelan 78 mi · 1,092.93 ft
All Washington lake levels

FAQ

What is the Diablo Reservoir water level today?

This gauge reports gage height, not lake elevation: 1,203.70 ft as of Nov 4, 2026, 3:00 AM PST, reported by the U.S. Geological Survey.

How often is this page updated?

Every 3 hours. The gauge reports several times a day.

Data: U.S. Geological Survey, gauge 12176500 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.

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