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 340152117355501 W BR CUCAMONGA C BL ELY PERC BASIN A ONTARIO CA

San Bernardino County, California

Hydrologic Unit Code 18070203

Latitude 34°01'52", Longitude 117°35'55" NAD27

Gage datum 825 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
1	1999-06-17 17:20	PDT	Yes	gom	USGS	9.71		0.00	0.40	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 09:16:04 EDT
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