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Upper Helemano Reservoir Water Level Today

Gage height (not an elevation) 44.73 ft Reported Nov 4, 2026, 1:10 AM HST · U.S. Geological Survey, gauge 213133158014201 · Provisional data

Upper Helemano Reservoir level history

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

Lakes near Upper Helemano Reservoir

Lake Sonoma 2385 mi · 443.36 ft Lake Mendocino 2388 mi · 724.25 ft Pilarcitos Lake 2390 mi · 676.39 ft San Andreas Lake 2391 mi · 444.13 ft Lower Crystal Springs Reservoir 2393 mi · 272.81 ft Clear Lake 2398 mi · 1,322.47 ft
All Hawaii lake levels

FAQ

What is the Upper Helemano Reservoir water level today?

This gauge reports gage height, not lake elevation: 44.73 ft as of Nov 4, 2026, 1:10 AM HST, 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 213133158014201 (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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