Available data

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

4 data types available - data from 1988-08-18 to 2026-08-02

2 data types available - data from 1915-08-23 to 2026-07-31

2 data types available - data from 1915-08-20 to 2026-06-25

436 Observed properties (data types) available - with data from 1967-11-20 to 2026-07-13

1101 Sampling activities

2 data types available - data from 1915-08-23 to 2026-07-31

Available location images

Merced River at Happy Isles Bridge Yosemite

Camera used to transmit images of stream conditions.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11264500	n/a
Location name	MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.73130354223962	n/a
Decimal longitude (WGS84)	-119.55902427621368	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	Mariposa County	043
Country	United States of America	n/a
Altitude of gage/land surface	4020.46 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	Upper Merced	18040008
Drainage basin		n/a
Date of first construction		n/a
Drainage area	181 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