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 01580360 Thomas Run nr Kalmia, MD

Harford County, Maryland

Hydrologic Unit Code 02050306

Latitude 39°35'39.34", Longitude 76°17'12.14" NAD83

Drainage area 7.1 square miles

Gage datum 137 feet above NAVD88

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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
2	2023-07-19 14:15	EDT	Yes	SJD/HJD	USGS	2.87				Poor		unkn
001	2023-05-18 13:35:02	EDT	Yes	SJD/HJD	USGS	4.20	136.36			Poor		unkn

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

Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2024-11-25 20:46:59 EST
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