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

4,653.57ft Down 0.04 ft over the last 24 hours

Measured Oct 19, 2026, 02:45 PM PDT (54 min ago)

Water stored: 15,040 acre‑ft

History

7 days

Surface elevation

What this means

The latest lake level at Lake Eleanor near Hetch Hetchy is 4,653.57 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 is falling, down 0.04 ft over the past 24 hours. Over the past 30 days it has moved between 4,653.57 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 guide, and right now the water is falling.

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.

19 Mon 69° 46° – Wind 15 mph

20 Tue 66° 49° – Wind 14 mph

21 Wed 63° 47° – Wind 10 mph

22 Thu 53° 41° 0.69 in, 87% Wind 7 mph

23 Fri 62° 42° 0.00 in Wind 9 mph

24 Sat 69° 44° – Wind 9 mph

25 Sun 73° 49° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:13 AM Sunset 06:18 PM Daylight 11 hr, 5 min First quarter 63%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Eleanor Creek near Hetch HetchyRiver gauge, Eleanor Creek	10.8 cfs	Normal	−0.2 cfs	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	55.9 cfs	Normal	−1.8 cfs	5.2 mi
Cherry Creek near Early IntakeRiver gauge, Cherry Creek	15.2 cfs	Normal	−0.3 cfs	7 mi
Tuolumne River above Early Intake near MatherRiver gauge, Tuolumne River	50.8 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 4,653.57 ft deep?

No. 4,653.57 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 19, 2026, 02:45 PM PDT, the surface elevation was 4,653.57 ft. Down 0.04 ft over the last 24 hours.

Is Lake Eleanor near Hetch Hetchy rising or falling?

Down 0.04 ft 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	4,653.57 ft	2026-10-19 21:45	Provisional
Water stored	15,040 acre‑ft	2026-10-19 21:45	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