Available data

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

4 data types available - data from 2007-10-01 to 2026-07-31

1 data types available - data from 1993-10-01 to 2026-07-30

2 data types available - data from 1983-12-08 to 2026-07-31

47 Observed properties (data types) available - with data from 1988-08-22 to 2010-09-09

7 Sampling activities

1 data types available - data from 1993-10-01 to 2026-07-30

Datum of tailwater gage is 289.09 feet above NAVD88. Datum of the headwater gage is 311.03 feet above NAVD88.

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	03399800	n/a
Location name	OHIO RIVER AT SMITHLAND DAM, SMITHLAND, KY	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.1592221479973	n/a
Decimal longitude (WGS84)	-88.4272615640516	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Kentucky	21
State	Illinois	17
County	Pope County	151
Country	United States of America	n/a
Altitude of gage/land surface	289.09 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.2 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Ohio-Bay	05140203
Drainage basin		n/a
Date of first construction		n/a
Drainage area	144000 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