Alameda Creek below Welch Creek near Sunol water level

Name: Alameda Creek below Welch Creek near Sunol 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, Alameda Creek, California, United States

Directions

High for mid-October

Water level

11.43ft Steady over the last 24 hours

Measured Oct 20, 2026, 10:30 PM PDT (36 min ago)

Flow: 7.1 cfs
Water temperature: 58 °F

History

7 days

Water level

What this means

High water at Alameda Creek below Welch Creek near Sunol: the latest reading is 11.43 ft, above normal for mid-October.

The level has held steady over the past 24 hours. The 30-day range is 11.40 ft – 11.44 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 58 °F.

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

Paddling and fishing conditions

Above-normal flows push fish to the edges and make wading risky. Wait for the river to drop and clear.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:22 AM Sunset 06:23 PM Daylight 11 hr, 1 min Waxing gibbous 75%

Map

Other gauges on Alameda Creek

Gauge	Level	Compared with normal	24 hours	Distance
Alameda Creek above Diversion Dam near SunolRiver gauge, Alameda Creek	1.61 ft	Below flood stage	±0	5.4 mi
Alameda Creek below Diversion Dam near SunolRiver gauge, Alameda Creek	0.1 cfs	Normal	±0	5.1 mi
Alameda Creek below Calaveras Creek near SunolRiver gauge, Alameda Creek	7.5 cfs	High	±0	3.1 mi
Alameda Creek near NilesRiver gauge, Alameda Creek	2.69 ft	Below flood stage	+0.01 ft	7 mi
Alameda Creek near FremontRiver gauge, Alameda Creek	15.5 cfs	High	+2.0 cfs	8 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
San Antonio Creek near SunolRiver gauge, San Antonio Creek	0.0 cfs	Normal	±0	2.6 mi
Calaveras Creek near SunolRiver gauge, Calaveras Creek	7.6 cfs	Normal	±0	3.4 mi
Arroyo De La Laguna A VeronaRiver gauge	0.74 ft	Below flood stage	−0.01 ft	6.1 mi
Arroyo Hondo near San JoseRiver gauge, Arroyo Hondo	1.3 cfs	Normal	+0.2 cfs	7 mi
Arroyo Valle near LivermoreRiver gauge, Arroyo Valle	8.3 cfs	High	±0	8 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 Alameda Creek below Welch Creek near Sunol today?

On Oct 20, 2026, 10:30 PM PDT, the water level was 11.43 ft. Steady over the last 24 hours.

Is Alameda Creek below Welch Creek near Sunol rising or falling?

Steady over the last 24 hours.

Is the level of Alameda Creek below Welch Creek near Sunol normal?

High 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:11173575 (Agency page)
Coordinates: 37.54049, -121.85635 (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	11.43 ft	2026-10-21 05:30	Provisional
Flow	7.1 cfs	2026-10-21 05:30	Provisional
Water temperature	58 °F	2026-10-21 05:30	Provisional

Download

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How to cite

U.S. Geological Survey: Alameda Creek below Welch Creek near Sunol (usgs:11173575). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/alameda-creek-below-welch-creek-near-sunol

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