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Old River near Byron water level

River gauge, Old River, California, United States

Directions

Right now

Latest reading

Water level

5.58ft Up 0.27 ft over the last 24 hours

Flow
2,170 cfs
4 5 6 8

History

History
46ftOct 16Oct 16Oct 17Oct 18Oct 1946ftOct 16Oct 17Oct 19
Water level

What this means

The U.S. Geological Survey has the Old River near Byron at 5.58 ft. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.

It is on the way up, by 0.27 ft over the past 24 hours. The 30-day range is 2.95 ft – 6.65 ft.

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

Paddling and fishing conditions

Compare today with the chart before you go; local outfitters often know which stage suits their stretch.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:19 AM Sunset 06:25 PM Daylight 11 hr, 5 min First quarter 54%

Map

Other gauges on the Old River

Gauge Level Compared with normal 24 hours Distance
Old River near Delta Mendota CanalRiver gauge, Old River 5.36 ft No reference yet +0.45 ft 5.8 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Arroyo Valle near LivermoreRiver gauge, Arroyo Valle 8.3 cfs High ±0 21 mi
San Joaquin River near VernalisRiver gauge, San Joaquin River 9.95 ft Below flood stage +0.71 ft 22 mi
Alamo Canal near PleasantonCanal gauge, Alamo Canal 1.84 ft Below flood stage −0.06 ft 23 mi
San Ramon C A San RamonRiver gauge 0.0 cfs Low ±0 25 mi
Arroyo De La Laguna A VeronaRiver gauge 0.75 ft Below flood stage +0.01 ft 25 mi
San Antonio Creek near SunolRiver gauge, San Antonio Creek 0.0 cfs Normal ±0 27 mi
Stanislaus R A RiponRiver gauge 41.37 ft Below flood stage −0.53 ft 27 mi
Alameda Creek below Welch Creek near SunolRiver gauge, Alameda Creek 6.5 cfs High +0.3 cfs 29 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 River near Byron today?

On Oct 18, 2026, 06:00 PM PDT, the water level was 5.58 ft. Up 0.27 ft over the last 24 hours.

Is Old River near Byron rising or falling?

Up 0.27 ft over the last 24 hours.

Is the level of Old River near Byron 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:11313315 (Agency page)
Coordinates
37.89104, -121.57023 (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 5.58 ft 2026-10-19 01:00 Provisional
Flow 2,170 cfs 2026-10-19 01:00 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 River near Byron (usgs:11313315). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/old-river-near-byron

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.