Available data

Select data types to graph from categories based on the way the data were collected.

3 data types available - data from 1988-10-02 to 2026-08-21

2 data types available - data from 1923-02-01 to 2026-08-19

2 data types available - data from 1969-01-25 to 2026-08-12

0 observed properties (data types) available

2 data types available - with data from 1923-04-10 to 2025-02-14

2 data types available - data from 1923-02-01 to 2026-08-19

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	10263500	n/a
Location name	BIG ROCK C NR VALYERMO CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	34.4208311464269	n/a
Decimal longitude (WGS84)	-117.839507238678	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	Los Angeles County	037
Country	United States of America	n/a
Altitude of gage/land surface	4035.68 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	Antelope-Fremont Valleys	18090206
Drainage basin		n/a
Date of first construction		n/a
Drainage area	22.9 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