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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 >  21SCSANT >  21SCSANT-SC-041

Mid Lake Marion 3.2 KM north of Channel Marker 79 (21SCSANT-SC-041) site data in the Water Quality Portal

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

This reservoir site, maintained by the Santee Cooper - South Carolina Public Service Authority (identifier 21SCSANT), has the name "Mid Lake Marion 3.2 KM north of Channel Marker 79" and has the identifier 21SCSANT-SC-041. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03050111.

This site is located in Clarendon County County, South Carolina at 33.4761111 degrees latitude and -80.3600000 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 "21SCSANT-SC-041" 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 1985 - 2006
Information 1985 - 2006
Inorganics, Major, Metals 1985 - 2006
Inorganics, Major, Non-metals 1985 - 2005
Inorganics, Minor, Metals 1985 - 2006
Inorganics, Minor, Non-metals 2004 - 2006
Microbiological 1985 - 2006
Nutrient 1985 - 2005
Physical 1985 - 2006
*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 21SCSANT
OrganizationFormalName Santee Cooper - South Carolina Public Service Authority
MonitoringLocationIdentifier 21SCSANT-SC-041
MonitoringLocationName Mid Lake Marion 3.2 KM north of Channel Marker 79
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText The sampling site is Lake Marion north shoreline, approximately 3.0 kilometers north of U.S. Fish and Wildlife Service Channel Marker 79. This site is sampled on a monthly basis.
HUCEightDigitCode 03050111
LatitudeMeasure 33.4761111
LongitudeMeasure -80.3600000
SourceMapScaleNumeric 400
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 45
CountyCode 027
ProviderName STORET