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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  LADEQWPD_WQX >  LADEQWPD_WQX-0950

Grand Bayou Du Large Southwest of Dulac, Louisiana (LADEQWPD_WQX-0950) site data in the Water Quality Portal

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

This estuary site, maintained by the LDEQ/Water Planning and Assessment (Louisiana) (identifier LADEQWPD_WQX), has the name "Grand Bayou Du Large Southwest of Dulac, Louisiana" and has the identifier LADEQWPD_WQX-0950. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08090302.

This site is located in Terrebonne Parish County, Louisiana at 29.2048000000 degrees latitude and -90.9538000000 degrees longitude using the datum WGS84. The horizontal location collection method was "Unknown" and the accuracy is 12 m. The source map scale is 1:0.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "LADEQWPD_WQX-0950" 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*
Inorganics, Major, Metals 2005 - 2005
Inorganics, Major, Non-metals 2005 - 2017
Inorganics, Minor, Metals 2005 - 2009
Inorganics, Minor, Non-metals 2005 - 2009
Microbiological 2005 - 2017
Not Assigned 2005 - 2017
Nutrient 2005 - 2017
Organics, Other 2005 - 2017
Organics, Pesticide 2005 - 2017
Physical 2005 - 2017
*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 LADEQWPD_WQX
OrganizationFormalName LDEQ/Water Planning and Assessment (Louisiana)
MonitoringLocationIdentifier LADEQWPD_WQX-0950
MonitoringLocationName Grand Bayou Du Large Southwest of Dulac, Louisiana
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText at Bayou Voisin south of Caillou Lake, 19.2 miles southwest of Dulac, 17.9 miles west-southwest of Cocodrie, 21.3 miles southwest of Theriot
HUCEightDigitCode 08090302
LatitudeMeasure 29.2048000000
LongitudeMeasure -90.9538000000
SourceMapScaleNumeric 0
HorizontalAccuracyMeasure/MeasureValue 12
HorizontalAccuracyMeasure/MeasureUnitCode m
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 22
CountyCode 109
ProviderName STORET