Due to significant recent staff reductions, real-time water-level and precipitation data will be discontinued at this station soon after June 30, 2026. For more information, please email GS-W-LMG_Data_Chief@usgs.gov

Important Legacy real-time page

Available data

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Continuous data

3 data types available - data from 2022-12-10 to 2026-07-30

Daily data

2 data types available - data from 2022-12-10 to 2026-07-28

Field measurements

4 data types available - data from 2022-12-09 to 2026-01-22

Discrete sample data

0 observed properties (data types) available

Statistical tables for select daily data types

2 data types available - data from 2022-12-10 to 2026-07-28

Important information about this monitoring location

Discharge data no longer available.

Location details and information

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Operated in cooperation with:

Louisiana Department of Transportation and Development

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07381588	n/a
Location name	Intracoastal Waterway southwest of Pierre Part, LA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.92238888888889	n/a
Decimal longitude (WGS84)	-91.23936111111111	n/a
Latitude-longitude method	Differentially corrected Global Positioning System.	D
Latitude-longitude accuracy	Accurate to + or - .5 sec (PLGR/PPS GPS).	5
District	Louisiana	22
State	Louisiana	22
County	St. Martin Parish	099
Country	United States of America	n/a
Altitude of gage/land surface	1.82 feet	n/a
Method altitude determined	GNSS1 - Level 1 Quality Survey Grade Global Navigation Satellite System	W
Altitude accuracy	0.16 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Atchafalaya	08080101
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 Intracoastal Waterway southwest of Pierre Part, LA - USGS-07381588