Tuolumne River above Early Intake near Mather water level

Name: Tuolumne River above Early Intake near Mather water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Tuolumne River, California, United States

Directions

Normal for late October

Water level

12.26ft Steady over the last 24 hours

Measured Oct 21, 2026, 02:00 AM PDT (29 min ago)

Flow: 47.4 cfs
Water temperature: 56 °F

History

7 days

Water level

What this means

The Tuolumne River above Early Intake near Mather is at 12.26 ft, in the normal range for late October.

The level has held steady over the past 24 hours. In the last month it has stayed between 12.26 ft and 12.29 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 56 °F.

Compared with 5 years of daily readings for this time of year. How to read levels

Floating and fishing near Tuolumne River above Early Intake near Mather

Normal flows mean predictable rapids and good access at most put-ins.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:15 AM Sunset 06:15 PM Daylight 11 hr, 1 min Waxing gibbous 76%

Map

Other gauges on the Tuolumne River

Gauge	Level	Compared with normal	24 hours	Distance
Tuolumne River near Hetch HetchyRiver gauge, Tuolumne River	55.9 cfs	Normal	±0	9 mi
Tuolumne River below Early Intake near MatherRiver gauge, Tuolumne River	48.5 cfs	Normal	−2.0 cfs	1.3 mi
Tuolumne River below Lagrange Dam near LagrangeRiver gauge, Tuolumne River	479 cfs	Normal	+265 cfs	31 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Cherry Creek near Early IntakeRiver gauge, Cherry Creek	14.8 cfs	Normal	±0	1.3 mi
Cherry Creek below Dion R Holm Ph near MatherRiver gauge, Cherry Creek	18.0 cfs	Very low	±0	1.5 mi
Cherry Creek below Valley Dam near Hetch HetchyRiver gauge, Cherry Creek	6.9 cfs	Normal	±0	6 mi
Eleanor Creek near Hetch HetchyRiver gauge, Eleanor Creek	10.6 cfs	Normal	−0.2 cfs	7 mi
Big Creek above Whites Gulch near GrovelandRiver gauge, Big Creek	0.0 cfs	Normal	±0	13 mi
Tuolumne R A Grand Canyon of Tuolumne above Hetch HetchyRiver gauge, Tuolumne R A Grand Canyon of Tuolumne	6.9 cfs	Low	±0	16 mi
Merced R A Pohono Bridge near YosemiteRiver gauge, Merced R A Pohono Bridge	0.94 ft	Below flood stage	−0.03 ft	19 mi
Merced R A Happy Isles Bridge near YosemiteRiver gauge, Merced R A Happy Isles Bridge	0.56 ft	Below flood stage	±0	24 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Tuolumne River above Early Intake near Mather today?

On Oct 21, 2026, 02:00 AM PDT, the water level was 12.26 ft. Steady over the last 24 hours.

Is Tuolumne River above Early Intake near Mather rising or falling?

Steady over the last 24 hours.

Is the level of Tuolumne River above Early Intake near Mather normal?

Normal for late October. Compared with 5 years of daily readings for this time of year.

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:11276600 (Agency page)
Coordinates: 37.87935, -119.94709 (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
Water level	12.26 ft	2026-10-21 09:00	Provisional
Flow	47.4 cfs	2026-10-21 09:00	Provisional
Water temperature	56 °F	2026-10-21 09:00	Provisional

Download

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How to cite

U.S. Geological Survey: Tuolumne River above Early Intake near Mather (usgs:11276600). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/tuolumne-river-above-early-intake-near-mather

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