Available data

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0 data types available

1 data types available - data from 1928-01-01 to 1977-09-29

2 data types available - data from 2011-05-12 to 2026-07-28

54 Observed properties (data types) available - with data from 1972-10-11 to 1974-03-19

43 Sampling activities

1 data types available - data from 1928-01-01 to 1977-09-29

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07047970	n/a
Location name	MISSISSIPPI RIVER AT HELENA, AR	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	34.52400003038596	n/a
Decimal longitude (WGS84)	-90.58399366578033	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 10 sec.	T
District	Arkansas	05
State	Arkansas	05
County	Phillips County	107
Country	United States of America	n/a
Altitude of gage/land surface	141.7 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Mississippi-Helena	08020100
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Mississippi River at Helena, AR - USGS-07047970