Available data

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

12 data types available - data from 1990-08-30 to 2026-08-04

7 data types available - data from 1981-10-01 to 2026-08-03

9 data types available - data from 1981-11-10 to 2026-06-16

1052 Observed properties (data types) available - with data from 1983-10-25 to 2026-07-02

143 Sampling activities

7 data types available - data from 1981-10-01 to 2026-08-02

Available location images

Illinois River at Henry

IL River at Henry, IL, camera is on left bank looking upstream

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	05558300	n/a
Location name	ILLINOIS RIVER AT HENRY, IL	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.1072777777778	n/a
Decimal longitude (WGS84)	-89.3562222222222	n/a
Latitude-longitude method	GNSS2 - Level 1 Quality Survey Grade Global Navigation Satellite System	X
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Illinois	17
State	Illinois	17
County	Marshall County	123
Country	United States of America	n/a
Altitude of gage/land surface	425.85 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.07 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Illinois-Senachwine Lake	07130001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	13544 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	N	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