Available data

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4 data types available - data from 1987-10-01 to 2026-08-01

3 data types available - data from 1912-04-01 to 2026-07-30

2 data types available - data from 1955-12-23 to 2026-07-23

62 Observed properties (data types) available - with data from 1960-11-12 to 2017-08-18

92 Sampling activities

3 data types available - data from 1912-04-01 to 2026-07-30

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11176500	n/a
Location name	ARROYO VALLE NR LIVERMORE CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.62323149053005	n/a
Decimal longitude (WGS84)	-121.75880279953145	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	California	06
State	California	06
County	Alameda County	001
Country	United States of America	n/a
Altitude of gage/land surface	513.18 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.16 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	San Francisco Bay	18050004
Drainage basin		n/a
Date of first construction		n/a
Drainage area	147 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	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