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Sar Supp Gage near Mentone water level

River gauge, Sar Supp Gage, California, United States

Directions

Right now

Normal for mid-October

Water level

8.59ft Steady over the last 24 hours

Flow
2.0 cfs
6 8 9 10

History

History
8.588.598.60ftOct 16Oct 17Oct 18Oct 19Oct 208.588.598.60ftOct 16Oct 18Oct 20
Water level

What this means

The Sar Supp Gage near Mentone is at 8.59 ft, in the normal range for mid-October.

The level has held steady over the past 24 hours. In the last month it has stayed between 8.58 ft and 8.60 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Floating and fishing near Sar Supp Gage near Mentone

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

Weather at the gauge

The forecast is not available right now.

Sunrise 06:58 AM Sunset 06:09 PM Daylight 11 hr, 11 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Santa Ana River near Mentone (River Only)River gauge, Santa Ana River 0.0 cfs Low −0.1 cfs 0.0 mi
Plunge Creek near East HighlandsRiver gauge, Plunge Creek 7.3 cfs Very high −0.2 cfs 2.5 mi
City Creek near HighlandRiver gauge, City Creek 1.7 cfs Normal +1.0 cfs 5.6 mi
San Timoteo Creek near Loma LindaRiver gauge, San Timoteo Creek 0.3 cfs Low −2.3 cfs 10 mi
East Twin Creek near Arrowhead SpringsRiver gauge, East Twin Creek 1.0 cfs Normal +0.1 cfs 11 mi
Waterman Canyon Creek near Arrowhead SpringsRiver gauge, Waterman Canyon Creek 0.6 cfs Normal ±0 11 mi
Warm Creek near San BernardinoRiver gauge, Warm Creek 0.0 cfs Low ±0 12 mi
Santa Ana R A East St near San BernardinoRiver gauge, Santa Ana R A East St 8.5 cfs Normal −5.6 cfs 12 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 Sar Supp Gage near Mentone today?

On Oct 20, 2026, 11:45 AM PDT, the water level was 8.59 ft. Steady over the last 24 hours.

Is Sar Supp Gage near Mentone rising or falling?

Steady over the last 24 hours.

Is the level of Sar Supp Gage near Mentone normal?

Normal for mid-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:11051502 (Agency page)
Coordinates
34.10834, -117.10059 (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

ParameterLast valueTime (UTC)Quality
Water level 8.59 ft 2026-10-20 18:45 Provisional
Flow 2.0 cfs 2026-10-20 18:45 Provisional

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How to cite

U.S. Geological Survey: Sar Supp Gage near Mentone (usgs:11051502). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/sar-supp-gage-near-mentone

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.