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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 >  STORET >  LADEQWPD >  LADEQWPD-1176

Caddo Lake at old Highway 538 bridge (LADEQWPD-1176) site data in the Water Quality Portal

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

This lake site, maintained by the LDEQ/Watershed Planning Division (identifier LADEQWPD), has the name "Caddo Lake at old Highway 538 bridge" and has the identifier LADEQWPD-1176. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11140306.

This site is located in Caddo Parish County, Louisiana at 32.6960976 degrees latitude and -93.9575860 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "LADEQWPD-1176" 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 2002 - 2002
Inorganics, Major, Non-metals 2002 - 2002
Inorganics, Minor, Metals 2002 - 2002
Inorganics, Minor, Non-metals 2002 - 2002
Nutrient 2002 - 2002
Organics, Other 2002 - 2002
Physical 2002 - 2002
*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
OrganizationFormalName LDEQ/Watershed Planning Division
MonitoringLocationIdentifier LADEQWPD-1176
MonitoringLocationName Caddo Lake at old Highway 538 bridge
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText at bridge on State Hwy 538 in Mooringsport, 3.4 miles south of Oil City, 7.2 miles west of Dixie, 8.4 miles northwest of Blanchard
HUCEightDigitCode 11140306
LatitudeMeasure 32.6960976
LongitudeMeasure -93.9575860
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 22
CountyCode 017
ProviderName STORET