Due to significant recent staff reductions, data collection at this location will be discontinued Nov 2026. For more information, please email GS-W-LMG_Data_Chief@usgs.gov

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Available data

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Continuous data

9 data types available - data from 2009-11-25 to 2026-08-21

Daily data

3 data types available - data from 2009-11-25 to 2026-08-19

Field measurements

2 data types available - data from 2010-01-27 to 2026-08-12

Discrete sample data

11 Observed properties (data types) available - with data from 2016-08-02 to 2020-03-04

22 Sampling activities

Peak measurements

1 data types available - with data from 2010-07-07 to 2024-09-12

Statistical tables for select daily data types

3 data types available - data from 2009-11-25 to 2026-08-19

Location details and information

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Operated in cooperation with:

Louisiana Department of Wildlife & Fisheries

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07380330	n/a
Location name	Bayou Perot at Point Legard near Cutoff, LA	n/a
Site type	Estuary	ES
Decimal latitude (WGS84)	29.56577777777778	n/a
Decimal longitude (WGS84)	-90.16555555555556	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Louisiana	22
State	Louisiana	22
County	Lafourche Parish	057
Country	United States of America	n/a
Altitude of gage/land surface	-1.67 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.25 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	East Central Louisiana Coastal	08090301
Drainage basin		n/a
Date of first construction		n/a
Drainage area		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

Monitoring location Bayou Perot at Point Legard near Cutoff, LA - USGS-07380330