Available data

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

3 data types available - data from 1988-10-01 to 2026-08-08

3 data types available - data from 1923-03-01 to 2026-08-06

2 data types available - data from 1982-01-21 to 2026-06-08

79 Observed properties (data types) available - with data from 1967-11-27 to 1982-03-18

38 Sampling activities

2 data types available - with data from 1923-03-05 to 2025-02-14

3 data types available - data from 1923-03-01 to 2026-08-06

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11046000	n/a
Location name	SANTA MARGARITA R A YSIDORA CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	33.3111436250901	n/a
Decimal longitude (WGS84)	-117.347260364132	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	San Diego County	073
Country	United States of America	n/a
Altitude of gage/land surface	70.4 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	Santa Margarita	18070302
Drainage basin		n/a
Date of first construction		n/a
Drainage area	723 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