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 >  21SC60WQ_WQX >  21SC60WQ_WQX-RL-04461

LAKE BLALOCK AT US 221 (21SC60WQ_WQX-RL-04461) site data in the Water Quality Portal

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

This lake site, maintained by the South Carolina Department of Environmental Services (identifier 21SC60WQ_WQX), has the name "LAKE BLALOCK AT US 221" and has the identifier 21SC60WQ_WQX-RL-04461. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03050105.

This site is located in Spartanburg County County, South Carolina at 35.0669302000 degrees latitude and -81.8773703000 degrees longitude using the datum WGS84. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21SC60WQ_WQX-RL-04461" 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, Algae, Phytoplankton, Photosynthetic Pigments 2004 - 2004
Information 2004 - 2004
Inorganics, Major, Metals 2004 - 2004
Inorganics, Minor, Metals 2004 - 2004
Microbiological 2004 - 2010
Nutrient 2004 - 2004
Organics, Other 2004 - 2004
Physical 2004 - 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 21SC60WQ_WQX
OrganizationFormalName South Carolina Department of Environmental Services
MonitoringLocationIdentifier 21SC60WQ_WQX-RL-04461
MonitoringLocationName LAKE BLALOCK AT US 221
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText LAKE BLALOCK AT US 221
HUCEightDigitCode 03050105
LatitudeMeasure 35.0669302000
LongitudeMeasure -81.8773703000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 45
CountyCode 083
ProviderName STORET