Available data

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

3 data types available - data from 2015-12-02 to 2026-08-25

1 data types available - data from 2015-12-02 to 2026-08-24

2 data types available - data from 2020-05-27 to 2026-08-11

28 Observed properties (data types) available - with data from 2016-01-05 to 2025-12-24

142 Sampling activities

2 data types available - with data from 2015-09-15 to 2025-02-14

1 data types available - data from 2015-12-02 to 2026-08-24

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11048175	n/a
Location name	AGUA CHINON WASH A PORTOLA SPRINGS RD NR IRVINE CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	33.68708333333333	n/a
Decimal longitude (WGS84)	-117.69541666666667	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .5 sec (PLGR/PPS GPS).	5
District	California	06
State	California	06
County	Orange County	059
Country	United States of America	n/a
Altitude of gage/land surface	571.57 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	Newport Bay	18070204
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2.1 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