USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06808600 Walnut Creek near Griswold, IA

Pottawattamie County, Iowa

Hydrologic Unit Code 10240002

Latitude 41°17'20", Longitude 95°12'32" NAD27

Drainage area 61.3 square miles

Gage datum 1,160 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)
13	1975-09-26 11:40	CDT	Yes	RDB	USGS	7.62	36.41			Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	7.62	8.50	3.57	2.13	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
12	1971-08-31 12:00	CDT	Yes	EDS	USGS	0.65	-35.39			Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.65	3.90	1.24	0.52	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
11	1968-06-19 14:15	CDT	Yes	EDS	USGS	1.20	34.48			Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.20	4.00	0.87	1.38	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
10	1967-05-23 11:05	CDT	Yes	FEL	USGS	1.18	34.23			Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	1.18	8.00	3.26	0.36	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
9	1966-08-30 12:10	CDT	Yes	RDB	USGS	4.76	33.72			Unspecified	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	4.76	14.0	6.64	0.72	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
8	1964-10-28 08:50	CST	Yes	RDB	USGS	6.00	31.08			Unspecified	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	6.00	5.00	5.41	1.11	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
7	1963-11-06 08:50	CST	Yes	RDB	USGS	0.68	25.33			Unspecified	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	0.68	2.50	1.15	0.59	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
6	1961-09-01 12:50	CDT	Yes	EDS	USGS	4.41	24.40			Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	4.41	14.0	5.38	0.82	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
5	1960-09-16 12:30	CDT	Yes	EDS	USGS	13.2	-23.92			Good	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	13.2	11.0	9.35	1.41	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
4	1959-10-20 12:00	CDT	Yes	RDB	USGS	5.15	23.77	0.00	0.30	Fair	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	5.15	8.00	5.18	0.99	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
3	1958-10-16 11:00	CDT	Yes	FEL	USGS	17.3	-23.22			Unspecified	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	17.3	16.0	15.2	1.15	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
2	1958-05-15 15:05	CDT	Yes	GGP	USGS	12.1	23.28	0.00	0.30	Unspecified	Clear	NONE	1	Imported Channel 1	WADE	unspe	unkno	12.1	15.0	11.5	1.05	UNSP	UNSP	UNSP	unkn	UNSP	UNSP	UNSP
1	1957-09-26 13:30	CDT	Yes	CWS	USGS	5.91	22.82	0.00	0.70	Good	Clear	NONE	1	Imported Channel 1	CRAN	unspe	unkno	5.91	9.00	5.25	1.13	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: Iowa Water Data Support Team
Page Last Modified: 2024-04-29 08:54:18 EDT
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