Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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-007

Halfway Swamp Creek @ Hwy. 33 bridge (21SCSANT-SC-007) site data in the Water Quality Portal

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

This river/stream site, maintained by the Santee Cooper - South Carolina Public Service Authority (identifier 21SCSANT), has the name "Halfway Swamp Creek @ Hwy. 33 bridge" and has the identifier 21SCSANT-SC-007. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03050111.

This site is located in Calhoun County County, South Carolina at 33.6066667 degrees latitude and -80.6402778 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-007" 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 1983 - 2006
Inorganics, Major, Non-metals 1986 - 2006
Inorganics, Minor, Metals 1983 - 2006
Inorganics, Minor, Non-metals 2004 - 2006
Microbiological 1983 - 2006
Nutrient 1983 - 2006
Physical 1983 - 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-007
MonitoringLocationName Halfway Swamp Creek @ Hwy. 33 bridge
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText The sampling site is Halfway Swamp Creek at SC Hwy. 33 bridge, 5.0 kilometers southwest of Lone Star and .75 kilometer northeast of Creston. This site is sampled on a monthly basis. SCDHEC ID - C-015
HUCEightDigitCode 03050111
LatitudeMeasure 33.6066667
LongitudeMeasure -80.6402778
SourceMapScaleNumeric 400
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 45
CountyCode 017
ProviderName STORET