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4 data types available - data from 1980-08-26 to 2022-04-30

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73 Observed properties (data types) available - with data from 1981-03-13 to 2022-05-05

229 Sampling activities

4 data types available - data from 1980-08-26 to 2022-04-30

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11176145	n/a
Location name	ARROYO LAS POSITAS A LIVERMORE CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.6996518002714	n/a
Decimal longitude (WGS84)	-121.773564590162	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	Alameda County	001
Country	United States of America	n/a
Altitude of gage/land surface	465 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	San Francisco Bay	18050004
Drainage basin		n/a
Date of first construction		n/a
Drainage area	53.3 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

Monitoring location Arroyo Las Positas a Livermore CA - USGS-11176145