Some USGS data collection at this gage ceased on Oct 1, 2025, due to loss of funding.

Available data

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9 data types available - data from 1999-06-26 to 2026-08-02

1 data types available - data from 1999-06-25 to 2026-07-30

4 data types available - data from 2001-07-17 to 2026-07-28

72 Observed properties (data types) available - with data from 2010-03-15 to 2025-07-23

133 Sampling activities

1 data types available - data from 1999-06-25 to 2026-07-30

Available location images

Old River Near Byron

Old River Near Byron, CA

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11313315	n/a
Location name	OLD RIVER NEAR BYRON CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.8910362744032	n/a
Decimal longitude (WGS84)	-121.570228330882	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	California	06
State	California	06
County	Contra Costa County	013
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	San Joaquin Delta	18040003
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	N	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a