Alamo Canal near Pleasanton water level

Name: Alamo Canal near Pleasanton water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Canal gauge, Alamo Canal, California, United States

Directions

Below flood stage

Water level

1.90ft Steady over the last 24 hours

Measured Oct 20, 2026, 04:45 PM PDT (55 min ago)

Flow: 4.7 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 2.33 ft by Thursday, October 22 at 06:00 AM. Issued Tuesday, October 20 at 07:23 AM by NOAA National Weather Service.

What this means

The gauge at Alamo Canal near Pleasanton reads 1.90 ft, a normal level.

It is 19.69 ft below the flood stage of 21.59 ft.

It has barely moved over the past 24 hours. The forecast expects the river to rise to 2.33 ft by Thursday, October 22 at 06:00 AM. Over the past 30 days it has moved between 1.82 ft and 1.93 ft.

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

Key numbers

Forecast peak: 2.33 ftThursday, October 22 at 06:00 AM

What happens at each level

21.59 ft: Minor Flood Stage - Flooding is expected. Stage may begin to overtop the top of bank elevation along channel. Downstream of the channel may begin to overtop into centennial trail and into Johnson Drive.
20.59 ft: Action Stage - Stage (height of water in channel) is at or has exceeded the minimum freeboard elevation and may soon overtop its banks.
1.90 ft: Right now

Impact statements from the U.S. National Weather Service.

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 73%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Arroyo De La Laguna A VeronaRiver gauge	0.74 ft	Below flood stage	−0.01 ft	5.1 mi
San Ramon C A San RamonRiver gauge	0.0 cfs	Low	±0	7 mi
Crow Creek near HaywardRiver gauge, Crow Creek	2.90 ft	Below flood stage	±0	7 mi
San Lorenzo Creek above Don Castro Reservoir near Castro VRiver gauge, San Lorenzo Creek	0.3 cfs	Normal	±0	7 mi
Alameda Creek near NilesRiver gauge, Alameda Creek	2.84 ft	Below flood stage	+0.02 ft	8 mi
San Lorenzo C A HaywardRiver gauge	2.58 ft	Below flood stage	±0	8 mi
San Antonio Creek near SunolRiver gauge, San Antonio Creek	0.0 cfs	Normal	±0	9 mi
Castro Valley C A HaywardRiver gauge	0.2 cfs	Low	±0	9 mi

Questions and answers

What is flood stage for the Alamo Canal near Pleasanton?

The official flood stage is 21.59 ft. The level is currently 19.69 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 Alamo Canal near Pleasanton today?

On Oct 20, 2026, 04:45 PM PDT, the water level was 1.90 ft. Steady over the last 24 hours.

Is Alamo Canal near Pleasanton rising or falling?

Steady over the last 24 hours.

Is the level of Alamo Canal near Pleasanton normal?

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

Is Alamo Canal near Pleasanton expected to rise?

The forecast expects the river to rise to 2.33 ft by Thursday, October 22 at 06:00 AM.

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.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:11174600 (Agency page)
Coordinates: 37.69444, -121.91944 (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	1.90 ft	2026-10-20 23:45	Provisional
Flow	4.7 cfs	2026-10-20 23:45	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/11422?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Alamo Canal near Pleasanton water level"></iframe>

How to cite

U.S. Geological Survey: Alamo Canal near Pleasanton (usgs:11174600). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/alamo-canal-near-pleasanton

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