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Old R A Bacon Island water level

River gauge, California, United States

Directions

Right now

Latest reading

Water level

10.49ft Down 0.35 ft over the last 24 hours

Flow
4,420 cfs
9 10 11 13

History

History
81012ftOct 16Oct 17Oct 18Oct 19Oct 2081012ftOct 16Oct 18Oct 20
Water level

What this means

The latest river stage reported for Old R A Bacon Island is 10.49 ft. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.

The level is falling, down 0.35 ft over the past 24 hours. Over the past 30 days it has moved between 8.19 ft and 11.89 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

What the stage means on the water

With no published normal range, paddlers and anglers should go by the trend: a rising river usually means muddier, faster water.

Weather at the gauge

No rain in the last 3 days.

18 Sun 83° 45° – Wind 10 mph
19 Mon 71° 46° – Wind 9 mph
20 Tue 76° 50° 0.02 in, 35% Wind 7 mph
21 Wed 74° 56° 0.09 in, 49% Wind 14 mph
22 Thu 69° 53° 0.05 in, 28% Wind 9 mph
23 Fri 76° 54° – Wind 8 mph
24 Sat 79° 52° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:20 AM Sunset 06:23 PM Daylight 11 hr, 3 min First quarter 64%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Arroyo Valle near LivermoreRiver gauge, Arroyo Valle 8.3 cfs High ±0 26 mi
San Joaquin River near VernalisRiver gauge, San Joaquin River 10.00 ft Below flood stage ±0 26 mi
San Ramon C A San RamonRiver gauge 0.0 cfs Low ±0 27 mi
Dry Creek near GaltRiver gauge, Dry Creek 0.4 cfs Normal −1.6 cfs 27 mi
Alamo Canal near PleasantonCanal gauge, Alamo Canal 1.86 ft Below flood stage +0.04 ft 27 mi
Arroyo De La Laguna A VeronaRiver gauge 0.74 ft Below flood stage −0.01 ft 29 mi
Stanislaus R A RiponRiver gauge 40.72 ft Below flood stage −0.57 ft 30 mi
San Antonio Creek near SunolRiver gauge, San Antonio Creek 0.0 cfs Normal ±0 31 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 Old R A Bacon Island today?

On Oct 19, 2026, 07:00 PM PDT, the water level was 10.49 ft. Down 0.35 ft over the last 24 hours.

Is Old R A Bacon Island rising or falling?

Down 0.35 ft over the last 24 hours.

Is the level of Old R A Bacon Island normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

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:11313405 (Agency page)
Coordinates
37.96992, -121.57217 (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 10.49 ft 2026-10-20 02:00 Provisional
Flow 4,420 cfs 2026-10-20 02:00 Provisional

Download

Embed this gauge

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

How to cite

U.S. Geological Survey: Old R A Bacon Island (usgs:11313405). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/old-r-a-bacon-island

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.