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Available data

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Continuous data

3 data types available - data from 1997-10-09 to 2026-08-23

Daily data

1 data types available - data from 1997-10-08 to 2026-08-22

Field measurements

4 data types available - data from 1997-03-28 to 2026-07-21

Discrete sample data

99 Observed properties (data types) available - with data from 1996-08-07 to 2026-07-21

245 Sampling activities

Peak measurements

2 data types available - with data from 1998-01-05 to 2025-06-16

Statistical tables for select daily data types

1 data types available - data from 1997-10-08 to 2026-08-22

Important information about this monitoring location

The elevation of this station has been determined to be 380.49 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 380.49 feet to gage height values.

Location details and information

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Operated in cooperation with:

Oklahoma Water Resources Board

US Army Corps of Engineers - Tulsa District

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07249455	n/a
Location name	Arkansas River at Ft. Smith, Ar.	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	35.3917577110896	n/a
Decimal longitude (WGS84)	-94.4324373176132	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Oklahoma	40
State	Arkansas	05
County	Sebastian County	131
Country	United States of America	n/a
Altitude of gage/land surface	380.49 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Robert S. Kerr Reservoir	11110104
Drainage basin	02	n/a
Date of first construction		n/a
Drainage area	145940 square miles	n/a
Contributing drainage area	129655 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

Monitoring location Arkansas River at Ft. Smith, Ar. - USGS-07249455