Available data

Select data types to graph from categories based on the way the data were collected.

3 data types available - data from 1991-08-09 to 2026-08-09

4 data types available - data from 1945-10-01 to 2026-08-07

2 data types available - data from 1945-09-29 to 2026-07-29

216 Observed properties (data types) available - with data from 1973-07-17 to 2015-09-23

647 Sampling activities

2 data types available - with data from 1946-03-28 to 2025-09-30

4 data types available - data from 1945-10-01 to 2026-08-07

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	06473000	n/a
Location name	JAMES RIVER AT ASHTON, SD	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	44.998333	n/a
Decimal longitude (WGS84)	-98.480556	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	Spink County	115
Country	United States of America	n/a
Altitude of gage/land surface	1245.75 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.14 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Middle James	10160006
Drainage basin		n/a
Date of first construction		n/a
Drainage area	9712 square miles	n/a
Contributing drainage area	8333 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