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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-07374525

Mississippi River at Belle Chasse, LA (USGS-07374525) 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 Belle Chasse, LA" and has the identifier USGS-07374525. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08090100. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 1130000 sq mi and the contributing drainage area is 1110000 sq mi.

This site is located in Plaquemines Parish County, Louisiana at 29.85715084000000 degrees latitude and -89.9778470000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is Unknown Unknown. The source map scale is 1:24000. This site is at an elevation of -6.58 feet and the accuracy of the elevation measurement, collected using the method "GNSS1 - Level 1 Quality Survey Grade Global Navigation Satellite System" is .1 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-07374525" 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 2006 - 2007
Biological, Algae, Phytoplankton 1977 - 2022
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 1978 - 1978
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1978 - 2007
Biological, Counts 1976 - 1981
Biological, Fish 2007 - 2022
Biological, Photosynthetic Pigments 1978 - 1978
Information 1977 - 2024
Inorganics, Major, Metals 1977 - 2023
Inorganics, Major, Non-metals 1977 - 2024
Inorganics, Minor, Metals 1977 - 2023
Inorganics, Minor, Non-metals 1977 - 2023
Microbiological 1977 - 2010
Nutrient 1977 - 2023
Organics, Other 1977 - 2023
Organics, PCBs 1977 - 1984
Organics, Pesticide 1977 - 2018
Physical 1976 - 2024
Population/Community 1976 - 1977
Radiochemical 1978 - 2007
Sediment 1977 - 2023
Stable Isotopes 1981 - 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-07374525
MonitoringLocationName Mississippi River at Belle Chasse, LA
MonitoringLocationTypeName Stream
HUCEightDigitCode 08090100
DrainageAreaMeasure/MeasureValue 1130000
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 1110000
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 29.85715084000000
LongitudeMeasure -89.9778470000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode Unknown
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue -6.58
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS1 - Level 1 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 22
CountyCode 075
ProviderName NWIS