Available data

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3 data types available - data from 1987-10-01 to 2026-09-01

1 data types available - data from 1971-10-01 to 2026-08-30

2 data types available - data from 1971-12-27 to 2026-08-12

895 Observed properties (data types) available - with data from 1971-10-14 to 2017-05-14

346 Sampling activities

2 data types available - with data from 1971-12-22 to 2025-02-05

1 data types available - data from 1971-10-01 to 2026-08-30

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11181008	n/a
Location name	CASTRO VALLEY C A HAYWARD CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.67993112739	n/a
Decimal longitude (WGS84)	-122.080518632331	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	105.15 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	5.51 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