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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-LA >  USGS-07348000

Twelvemile Bayou near Dixie, LA (USGS-07348000) site data in the Water Quality Portal

Data Provider: NWIS (Learn more about Water Quality Portal Data Providers)

This stream site, maintained by the USGS Louisiana Water Science Center (identifier USGS-LA), has the name "Twelvemile Bayou near Dixie, LA" and has the identifier USGS-07348000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11140304. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 3137.00 sq mi.

This site is located in Caddo Parish County, Louisiana at 32.64598050000000 degrees latitude and -93.8779585000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is Unknown Unknown. This site is at an elevation of 135.71 feet and the accuracy of the elevation measurement, collected using the method "GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System" is .13 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-07348000" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Biological, Algae, Phytoplankton 1978 - 1981
Biological, Counts 1978 - 1981
Inorganics, Major, Metals 1953 - 1993
Inorganics, Major, Non-metals 1953 - 1993
Inorganics, Minor, Metals 1953 - 1993
Inorganics, Minor, Non-metals 1978 - 1993
Microbiological 1978 - 1993
Nutrient 1964 - 1993
Organics, Other 1978 - 1992
Organics, PCBs 1991 - 1992
Organics, Pesticide 1991 - 1992
Physical 1943 - 1993
Radiochemical 1979 - 1981
Sediment 1978 - 1992
Stable Isotopes 1991 - 1992
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier USGS-LA
OrganizationFormalName USGS Louisiana Water Science Center
MonitoringLocationIdentifier USGS-07348000
MonitoringLocationName Twelvemile Bayou near Dixie, LA
MonitoringLocationTypeName Stream
HUCEightDigitCode 11140304
DrainageAreaMeasure/MeasureValue 3137.00
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 32.64598050000000
LongitudeMeasure -93.8779585000000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode Unknown
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 135.71
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .13
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 22
CountyCode 017
ProviderName NWIS