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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 >  21NC01WQ >  21NC01WQ-D000200S

BLACKWATER RIV AT STATE LINE (21NC01WQ-D000200S) site data in the Water Quality Portal

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

This estuary site, maintained by the NCDENR-DWQ (identifier 21NC01WQ), has the name "BLACKWATER RIV AT STATE LINE" and has the identifier 21NC01WQ-D000200S. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03010201.

This site is located in Hertford County County, North Carolina at 36.5430000 degrees latitude and -76.9160000 degrees longitude using the datum NAD83. 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 "21NC01WQ-D000200S" 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 1962 - 1975
Nutrient 1967 - 1975
Organics, Other 1972 - 1972
Physical 1961 - 1975
*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 21NC01WQ
OrganizationFormalName NCDENR-DWQ
MonitoringLocationIdentifier 21NC01WQ-D000200S
MonitoringLocationName BLACKWATER RIV AT STATE LINE
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText BLACKWATER RIV AT STATE LINE
HUCEightDigitCode 03010201
LatitudeMeasure 36.5430000
LongitudeMeasure -76.9160000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 37
CountyCode 091
ProviderName STORET