Discharge at this site is calculated by a complex method that uses the water surface slope between a Base and Auxiliary station.

Available data

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

11 data types available - data from 2013-03-02 to 2026-09-12

6 data types available - data from 2013-03-01 to 2026-09-10

4 data types available - data from 2006-05-12 to 2026-08-18

468 Observed properties (data types) available - with data from 2014-07-09 to 2026-09-09

330 Sampling activities

2 data types available - with data from 2013-12-30 to 2023-04-01

6 data types available - data from 2013-03-01 to 2026-09-10

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	03612600	n/a
Location name	OHIO RIVER AT OLMSTED, IL	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.1792186733202	n/a
Decimal longitude (WGS84)	-89.0584040037475	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Kentucky	21
State	Illinois	17
County	Pulaski County	153
Country	United States of America	n/a
Altitude of gage/land surface	278.13 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.15 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Ohio	05140206
Drainage basin		n/a
Date of first construction		n/a
Drainage area	203000 square miles	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