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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  21DELAWQ_WQX >  21DELAWQ_WQX-206671

Black Swamp Creek @ Marshyhope Rd. (Rd. 282) (21DELAWQ_WQX-206671) 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 Delaware Dept Natural Resources & Environmental Control (identifier 21DELAWQ_WQX), has the name "Black Swamp Creek @ Marshyhope Rd. (Rd. 282)" and has the identifier 21DELAWQ_WQX-206671. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02040207.

This site is located in Kent County County, Delaware at 38.9867700000 degrees latitude and -75.6084700000 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 "21DELAWQ_WQX-206671" 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 2010 - 2010
Biological, Algae, Cyanobacteria 1998 - 1999
Biological, Algae, Phytoplankton 1998 - 2010
Biological, Aquatic Plants 2010 - 2010
Biological, Counts 2010 - 2010
Biological, Habitat, Plants 2010 - 2010
Information 2010 - 2010
Inorganics, Major, Non-metals 1998 - 2010
Microbiological 1998 - 1999
Nutrient 1998 - 2010
Organics, Other 1998 - 2010
Physical 1998 - 2010
*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 21DELAWQ_WQX
OrganizationFormalName Delaware Dept Natural Resources & Environmental Control
MonitoringLocationIdentifier 21DELAWQ_WQX-206671
MonitoringLocationName Black Swamp Creek @ Marshyhope Rd. (Rd. 282)
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText BlacK Swamp Cr. @ Marshyhope Rd. (Rd. 282)
HUCEightDigitCode 02040207
LatitudeMeasure 38.9867700000
LongitudeMeasure -75.6084700000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA On)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 10
CountyCode 001
ProviderName STORET