USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01591650 HAWLINGS RIVER NEAR UNITY, MD

Montgomery County, Maryland

Hydrologic Unit Code 02060006

Latitude 39°13'03", Longitude 77°06'21" NAD27

Drainage area 5.08 square miles

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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	Channel Number	Channel Name	Meas. type	Stream flow method	Velocity method	Channel flow (ft3/s)	Channel width (ft)	Channel area (ft2)	Channel vel. (ft/s)	Channel stability	Channel material	Channel evenness	Long. vel. desc.	Horz. vel. desc.	Vert. vel. desc.	Channel loc. code	Channel loc. dist.(ft)
14	2002-09-19 11:52	EDT	Yes	JMF	USGS	0.10		0.00	0.10	Fair		NONE	1	Imported Channel 1	WADE	unspe	unkno	0.10	0.70	0.13	0.73	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
13	1982-09-14 12:10	EDT	Yes	JRD	USGS	0.70				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.70	2.50	1.06	0.66	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
12	1982-05-17 17:05	EDT	Yes	JFH	USGS	2.74				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	2.74	11.4	3.94	0.70	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
11	1981-08-27 12:05	EDT	Yes	RWJ	USGS	0.69				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.69	7.70	2.39	0.29	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
10	1981-03-27 15:25	EST	Yes	JFH	USGS	3.12				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	3.12	9.70	6.44	0.48	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
9	1980-09-02 11:30	EDT	Yes	MNL	USGS	1.68				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.68	7.00	1.46	1.15	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
8	1980-06-24 11:10	EDT	Yes	CCC	USGS	4.89				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	4.89	9.50	9.41	0.52	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
7	1980-05-15 18:15	EDT	Yes	CCC	USGS	5.42				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	5.42	9.50	5.56	0.98	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
6	1979-05-03 11:50	EDT	Yes	JRS/JFH	USGS	5.96				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	5.96	11.6	12.1	0.49	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
5	1978-11-07 -- --	--	Yes	DFG	USGS	1.85				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.85	5.30	1.25	1.48	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
4	1978-09-21 15:55	EDT	Yes	MRH/JLF	USGS	2.02				Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	2.02	4.90	1.99	1.02	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
3	1977-09-15 13:45	EDT	Yes	MNL	USGS	0.43				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.43	4.40	0.64	0.68	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
2	1977-08-04 14:52	EDT	Yes	BMH	USGS	0.75				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.75	3.90	1.81	0.41	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
1	1977-05-31 13:54	EDT	Yes	BMH	USGS	2.17				Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	2.17	6.30	3.22	0.67	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP

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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: Maryland Water Data Support Team
Page Last Modified: 2025-01-08 01:08:14 EST
0.25 0.22 vaww01