Available data

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2 data types available - data from 2009-11-13 to 2026-08-19

2 data types available - data from 2009-11-13 to 2026-08-17

2 data types available - data from 2009-10-29 to 2026-07-22

205 Observed properties (data types) available - with data from 1952-09-17 to 2025-09-25

1317 Sampling activities

2 data types available - with data from 1973-05-12 to 2021-04-14

2 data types available - data from 2009-11-13 to 2026-08-17

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07381490	n/a
Location name	Atchafalaya River at Simmesport, LA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	30.9825	n/a
Decimal longitude (WGS84)	-91.7983333333333	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Louisiana	22
State	Louisiana	22
County	Avoyelles Parish	009
Country	United States of America	n/a
Altitude of gage/land surface		n/a
Method altitude determined		n/a
Altitude accuracy		n/a
Altitude datum		n/a
Subbasin hydrologic unit	Atchafalaya	08080101
Drainage basin		n/a
Date of first construction		n/a
Drainage area	87570 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