Alameda Creek above Diversion Dam near Sunol water level

Name: Alameda Creek above Diversion Dam 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

Below flood stage

Water level

1.61ft Steady over the last 24 hours

Measured Oct 20, 2026, 10:30 PM PDT (18 min ago)

Flow: 0.2 cfs
Water temperature: 57 °F

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 1.61 ft by Tuesday, October 20 at 05:00 PM. Issued Tuesday, October 20 at 07:23 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Alameda Creek above Diversion Dam near Sunol, where the gauge shows 1.61 ft.

It is 4.39 ft below the flood stage of 6.00 ft.

The level has held steady over the past 24 hours. The forecast expects the river to fall to 1.61 ft by Tuesday, October 20 at 05:00 PM. The 30-day range is 1.59 ft – 1.61 ft.

The sensor also reports a water temperature of 57 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 7.96 ftJanuary 9, 1995
Forecast peak: 1.67 ftFriday, October 23 at 07:00 PM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 6.00 ft.

Highest crests on record

Rank	Level	Date
1	7.96 ft	January 9, 1995
2	6.59 ft	January 24, 1996

Weather at the gauge

The forecast is not available right now.

Sunrise 07:22 AM Sunset 06:23 PM Daylight 11 hr, 2 min Waxing gibbous 74%

Map

Other gauges on Alameda Creek

Gauge	Level	Compared with normal	24 hours	Distance
Alameda Creek below Diversion Dam near SunolRiver gauge, Alameda Creek	0.1 cfs	Normal	±0	0.3 mi
Alameda Creek below Calaveras Creek near SunolRiver gauge, Alameda Creek	7.5 cfs	High	±0	2.8 mi
Alameda Creek below Welch Creek near SunolRiver gauge, Alameda Creek	7.1 cfs	High	±0	5.4 mi
Alameda Creek near NilesRiver gauge, Alameda Creek	2.69 ft	Below flood stage	+0.01 ft	12 mi
Alameda Creek near FremontRiver gauge, Alameda Creek	15.5 cfs	High	+2.0 cfs	13 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Calaveras Creek near SunolRiver gauge, Calaveras Creek	7.6 cfs	Normal	±0	2.5 mi
Arroyo Hondo near San JoseRiver gauge, Arroyo Hondo	1.3 cfs	Normal	+0.2 cfs	2.5 mi
San Antonio Creek near SunolRiver gauge, San Antonio Creek	0.0 cfs	Normal	±0	7 mi
Arroyo Valle near LivermoreRiver gauge, Arroyo Valle	8.3 cfs	High	±0	9 mi
Coyote Creek above Highway 237 A MilpitasRiver gauge, Coyote Creek	5.13 ft	Below flood stage	±0	10 mi
Arroyo De La Laguna A VeronaRiver gauge	0.74 ft	Below flood stage	−0.01 ft	11 mi

Questions and answers

What is flood stage for Alameda Creek above Diversion Dam near Sunol?

The official flood stage is 6.00 ft. The level is currently 4.39 ft below it.

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 above Diversion Dam near Sunol today?

On Oct 20, 2026, 10:30 PM PDT, the water level was 1.61 ft. Steady over the last 24 hours.

Is Alameda Creek above Diversion Dam near Sunol rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Alameda Creek above Diversion Dam near Sunol normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Alameda Creek above Diversion Dam near Sunol?

The highest level on record is 7.96 ft on January 9, 1995.

Is Alameda Creek above Diversion Dam near Sunol expected to rise?

The forecast expects the river to fall to 1.61 ft by Tuesday, October 20 at 05:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:11172945 (Agency page)
Coordinates: 37.49744, -121.77356 (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	1.61 ft	2026-10-21 05:30	Provisional
Flow	0.2 cfs	2026-10-21 05:30	Provisional
Water temperature	57 °F	2026-10-21 05:30	Provisional

Download

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How to cite

U.S. Geological Survey: Alameda Creek above Diversion Dam near Sunol (usgs:11172945). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/alameda-creek-above-diversion-dam-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