Available data

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

5 data types available - data from 1988-10-01 to 2026-08-06

6 data types available - data from 1940-09-30 to 2026-08-04

4 data types available - data from 1982-03-19 to 2026-08-05

1322 Observed properties (data types) available - with data from 1966-10-11 to 2026-07-14

3100 Sampling activities

2 data types available - with data from 1938-03-02 to 2025-03-17

5 data types available - data from 1940-09-30 to 2026-08-04

Available location images

Santa Ana R bl Prado Dam

Vivotek

Santa Ana River below Prado Dam

Santa Ana River below Prado Dam, CA

Zoom out to see link to My Favorites

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11074000	n/a
Location name	SANTA ANA R BL PRADO DAM CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	33.8833487464323	n/a
Decimal longitude (WGS84)	-117.64532963562	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	Riverside County	065
Country	United States of America	n/a
Altitude of gage/land surface	451.58 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 Ana	18070203
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2258 square miles	n/a
Contributing drainage area	1490 square miles	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