Lake Eleanor near Hetch Hetchy water level

Name: Lake Eleanor near Hetch Hetchy water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Lake, Lake Eleanor, California, United States

Directions

Latest reading

Surface elevation

4,653.61ft Steady over the last 24 hours

Measured Oct 18, 2026, 10:45 PM PDT (13 min ago)

Water stored: 15,080 acre‑ft

History

7 days

Surface elevation

What this means

The latest lake level at Lake Eleanor near Hetch Hetchy is 4,653.61 ft. The agency publishes no normal range or warning level for this lake yet, so there is nothing to judge the number against.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 4,653.59 ft and 4,653.72 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Swimming and boating at Lake Eleanor near Hetch Hetchy

Without a published normal range, the trend is the most useful thing here: a steady lake means few changes at the shore.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

18 Sun 73° 48° – Wind 10 mph

19 Mon 68° 50° – Wind 15 mph

20 Tue 67° 47° – Wind 12 mph

21 Wed 63° 43° – Wind 10 mph

22 Thu 59° 38° 0.02 in, 76% Wind 11 mph

23 Fri 63° 39° – Wind 11 mph

24 Sat 69° 44° – Wind 9 mph

Forecast: Open-Meteo

Sunrise 07:13 AM Sunset 06:18 PM Daylight 11 hr, 5 min First quarter 56%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Eleanor Creek near Hetch HetchyRiver gauge, Eleanor Creek	10.8 cfs	Normal	±0	0.4 mi
Cherry Creek below Valley Dam near Hetch HetchyRiver gauge, Cherry Creek	6.9 cfs	Normal	±0	2.0 mi
Tuolumne River near Hetch HetchyRiver gauge, Tuolumne River	57.7 cfs	Normal	±0	5.2 mi
Cherry Creek near Early IntakeRiver gauge, Cherry Creek	15.5 cfs	Normal	±0	7 mi
Tuolumne River above Early Intake near MatherRiver gauge, Tuolumne River	49.7 cfs	Normal	±0	7 mi
Cherry Creek below Dion R Holm Ph near MatherRiver gauge, Cherry Creek	18.0 cfs	Very low	±0	8 mi
Tuolumne River below Early Intake near MatherRiver gauge, Tuolumne River	50.5 cfs	Normal	±0	8 mi
Tuolumne R A Grand Canyon of Tuolumne above Hetch HetchyRiver gauge, Tuolumne R A Grand Canyon of Tuolumne	7.1 cfs	Low	−0.2 cfs	13 mi

Questions and answers

Is Lake Eleanor near Hetch Hetchy really 4,653.61 ft deep?

No. 4,653.61 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Lake Eleanor near Hetch Hetchy today?

On Oct 18, 2026, 10:45 PM PDT, the surface elevation was 4,653.61 ft. Steady over the last 24 hours.

Is Lake Eleanor near Hetch Hetchy rising or falling?

Steady over the last 24 hours.

Is the level of Lake Eleanor near Hetch Hetchy normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:11277500 (Agency page)
Coordinates: 37.97409, -119.88101 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	4,653.61 ft	2026-10-19 05:45	Provisional
Water stored	15,080 acre‑ft	2026-10-19 05:45	Provisional

Download

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How to cite

U.S. Geological Survey: Lake Eleanor near Hetch Hetchy (usgs:11277500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/lake-eleanor-near-hetch-hetchy

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer