Available data

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3 data types available - data from 1990-10-01 to 2026-08-19

2 data types available - data from 1984-06-06 to 2026-08-18

2 data types available - data from 1984-06-06 to 2026-08-17

32 Observed properties (data types) available - with data from 1984-06-06 to 2015-09-21

324 Sampling activities

2 data types available - with data from 1984-06-15 to 2025-06-27

2 data types available - data from 1984-06-06 to 2026-08-18

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	06479215	n/a
Location name	BIG SIOUX RIVER NEAR FLORENCE, SD	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	45.180833	n/a
Decimal longitude (WGS84)	-97.185833	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 min.	M
District	South Dakota	46
State	South Dakota	46
County	Grant County	051
Country	United States of America	n/a
Altitude of gage/land surface	1781.34 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.09 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Upper Big Sioux	10170201
Drainage basin		n/a
Date of first construction		n/a
Drainage area	68.3 square miles	n/a
Contributing drainage area	68.3 square miles	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