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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-07346310

(COE) Caddo Lake at Dam near Mooringsport, LA (USGS-07346310) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Louisiana Water Science Center (identifier USGS-LA), has the name "(COE) Caddo Lake at Dam near Mooringsport, LA" and has the identifier USGS-07346310. 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 2744.00 sq mi.

This site is located in Caddo Parish County, Louisiana at 32.71014469000000 degrees latitude and -93.9146254000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Unknown." and the accuracy is 3 seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-07346310" 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 1968 - 1992
Inorganics, Major, Non-metals 1956 - 1992
Inorganics, Minor, Metals 1968 - 1992
Inorganics, Minor, Non-metals 1973 - 1992
Microbiological 1991 - 1992
Nutrient 1968 - 1992
Organics, Other 1991 - 1992
Organics, PCBs 1991 - 1992
Organics, Pesticide 1991 - 1992
Physical 1956 - 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-07346310
MonitoringLocationName (COE) Caddo Lake at Dam near Mooringsport, LA
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 11140304
DrainageAreaMeasure/MeasureValue 2744.00
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 32.71014469000000
LongitudeMeasure -93.9146254000000
HorizontalAccuracyMeasure/MeasureValue 3
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Unknown.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 22
CountyCode 017
ProviderName NWIS