Available data

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4 data types available - data from 1999-11-17 to 2026-08-21

3 data types available - data from 1999-10-01 to 2026-08-19

3 data types available - data from 1999-10-21 to 2026-07-17

62 Observed properties (data types) available - with data from 1999-11-17 to 2017-08-18

356 Sampling activities

2 data types available - with data from 2000-02-13 to 2025-02-13

3 data types available - data from 1999-10-01 to 2026-08-19

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11173575	n/a
Location name	ALAMEDA C BL WELCH C NR SUNOL CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.5404908071799	n/a
Decimal longitude (WGS84)	-121.856345106253	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
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	302.73 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	149 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