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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-059

Lower Lake Marion @ Dean Swamp Impoundment (21SCSANT-SC-059) site data in the Water Quality Portal

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

This lake site, maintained by the Santee Cooper - South Carolina Public Service Authority (identifier 21SCSANT), has the name "Lower Lake Marion @ Dean Swamp Impoundment" and has the identifier 21SCSANT-SC-059. 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 33.5739330 degrees latitude and -80.1998006 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-059" 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*
Information 2007 - 2008
Physical 2007 - 2009
*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-059
MonitoringLocationName Lower Lake Marion @ Dean Swamp Impoundment
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText This site is located on Lake Marion @ Dean Swamp Impoundment, also known as the first water at Wyboo Creek, approximately .5 kilometer northeast of the Hwy 260 causeway. This site is sampled on a monthly basis.
HUCEightDigitCode 03050111
LatitudeMeasure 33.5739330
LongitudeMeasure -80.1998006
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 45
CountyCode 027
ProviderName STORET