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

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Available data

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Continuous data

1 data types available - data from 2023-04-17 to 2026-06-03

Daily data

1 data types available - data from 2023-04-18 to 2026-06-02

Field measurements

4 data types available - data from 1979-01-25 to 2025-07-31

Discrete sample data

201 Observed properties (data types) available - data from 1991-07-31 to 1992-06-18

12 Sampling activities

Peak measurements

1 data types available - data from 1960-03-05 to 2025-04-11

Statistical tables for select daily data types

1 data types available - data from 2023-04-18 to 2026-06-02

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	07347950	n/a
Location name	Twelvemile Bayou nr Mooringsport, LA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	32.70015015868701	n/a
Decimal longitude (WGS84)	-93.910756318439	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Louisiana	22
State	Louisiana	22
County	Caddo Parish	017
Country	United States of America	n/a
Altitude of gage/land surface	-0.04 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	Cross Bayou	11140304
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 Twelvemile Bayou nr Mooringsport, LA - USGS-07347950