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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-07374000

Mississippi River at Baton Rouge, LA (USGS-07374000) 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 "Mississippi River at Baton Rouge, LA" and has the identifier USGS-07374000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08070100. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 1125810 sq mi.

This site is located in West Baton Rouge Parish County, Louisiana at 30.44566667000000 degrees latitude and -91.1915556000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. The source map scale is 1:24000. This site is at an elevation of 0.00 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .01 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-07374000" 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, Cyanobacteria 2004 - 2012
Biological, Algae, Phytoplankton 2007 - 2014
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2004 - 2012
Biological, Fish 2007 - 2014
Information 2002 - 2023
Inorganics, Major, Metals 1975 - 2017
Inorganics, Major, Non-metals 1975 - 2023
Inorganics, Minor, Metals 2004 - 2017
Inorganics, Minor, Non-metals 2004 - 2017
Microbiological 2004 - 2010
Nutrient 1975 - 2023
Organics, Other 1991 - 2017
Organics, PCBs 1993 - 2008
Organics, Pesticide 1991 - 2017
Physical 1975 - 2023
Radiochemical 2004 - 2007
Sediment 1975 - 2023
Stable Isotopes 1993 - 2016
*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-07374000
MonitoringLocationName Mississippi River at Baton Rouge, LA
MonitoringLocationTypeName Stream
HUCEightDigitCode 08070100
DrainageAreaMeasure/MeasureValue 1125810
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 30.44566667000000
LongitudeMeasure -91.1915556000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0.00
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 22
CountyCode 121
ProviderName NWIS