USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

USGS 335815117303901 SANTA ANA R A MIRA LOMA CA

Riverside County, California

Hydrologic Unit Code 18070203

Latitude 33°58'15", Longitude 117°30'39" NAD27

Gage datum 628 feet above NGVD29

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
101	1998-06-19 10:35	PDT	Yes	rgf	USGS	179				Fair	Clear	NONE

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-09-05 09:16:12 EDT
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