USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01589240 GWYNNS FALLS AT MCDONOGH, MD

Baltimore County, Maryland

Hydrologic Unit Code 02060003

Latitude 39°23'30.4", Longitude 76°45'54.8" NAD27

Drainage area 19.30 square miles

Gage datum 420 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	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	2009-05-12 13:34	EDT	Yes	CWR	USGS	16.4	2.18	0.00	0.50	Good	Unspecifed	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	16.4	42.2	28.5	0.57	FIRM	BLDR	EVEN	unkn	EVEN	UNSP	UPST	75.00
13	2009-03-06 11:30:30	EST	Yes	CWR	USGS	12.1	2.10	0.00	0.40	Good	Clear	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	12.1	40.7	25.9	0.49	FIRM	BLDR	EVEN	unkn	EVEN	UNSP	UPST	75.00
12	2009-01-09 10:55	EST	Yes	CWR/PEL	USGS	18.4	2.23	0.00	0.70	Good	Unspecifed	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	18.4	42.3	31.6	0.58	FIRM	BLDR	EVEN	unkn	EVEN	UNSP	UPST	75.00
11	2009-01-09 10:51:30	EST	Yes	PEL/CWR	USGS	18.3	2.22	0.00	0.60	Good	Unspecifed	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	18.3	42.2	31.7	0.58	FIRM	BLDR	EVEN	unkn	EVEN	UNSP	UPST	75.00
10	2008-12-08 13:28:30	EST	Yes	CWR/PEL	USGS	9.14	2.05	0.00	0.50	Fair	DebrisLight	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	9.14	21.5	19.7	0.52	FIRM	BLDR	EVEN	unkn	EVEN	UNSP	UPST	125.00
9	2008-10-16 15:15	EDT	Yes	CWR	USGS	5.30	1.97	0.00	0.50	Poor	DebrisLight	NONE	1	Imported Channel 1	WADE	QSCMM	VADV	5.30	22.4	13.9	0.38	FIRM	SAND	UNEV	unkn	UNEV	UNSP	UPST	100.00
8	2008-09-05 12:46	EDT	Yes	RHP/JAD	USGS	4.16	1.82	0.00	0.60	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	4.16	16.5	8.66	0.48	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
7	2008-08-28 10:21	EDT	Yes	PCL	USGS	2.37	1.80	0.00	0.80	Poor	DebrisLight	NONE	1	Imported Channel 1	WADE	unspe	unkno	2.37	18.7	9.06	0.26	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
6	2008-07-22 13:12	EDT	Yes	JAD	USGS	4.70	1.86	0.01	0.50	Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	4.70	22.0	13.2	0.36	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
5	2008-07-03 14:21	EDT	Yes	CWR/PC	USGS	6.34	1.90	-0.01	0.70	Poor	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	6.34	26.4	14.2	0.45	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
4	2008-06-26 11:57	EDT	Yes	RHP/JAD	USGS	7.05	1.94	0.00	0.50	Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	7.05	37.5	23.5	0.30	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
3	2008-05-12 11:24	EDT	Yes	JJK/MCG	USGS	389	3.65	-0.08	0.50	Fair	Unspecifed	NONE	1	Imported Channel 1	UNSP	QADCP	VADCP	389	43.0	137	2.80	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
2C	1972-06-22 -- --	--	Yes	WBS/RHT	USGS	14700	18.80			Poor	Unspecifed	NONE	1	Imported Channel 1	OTHR	QIDIR		14700				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: 2024-12-01 00:50:28 EST
0.25 0.24 vaww01