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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-109191

Shallcross Lake @ Shallcross Lake Rd. (Rd. 428) (21DELAWQ_WQX-109191) site data in the Water Quality Portal

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

This riverine impoundment site, maintained by the Delaware Dept Natural Resources & Environmental Control (identifier 21DELAWQ_WQX), has the name "Shallcross Lake @ Shallcross Lake Rd. (Rd. 428)" and has the identifier 21DELAWQ_WQX-109191. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02040205.

This site is located in New Castle County County, Delaware at 39.4833230000 degrees latitude and -75.6711490000 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-109191" 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, Cyanobacteria 1999 - 2004
Biological, Algae, Phytoplankton 1999 - 2025
Information 1999 - 2025
Inorganics, Major, Metals 2013 - 2025
Inorganics, Major, Non-metals 1999 - 2025
Inorganics, Minor, Metals 1999 - 2025
Inorganics, Minor, Non-metals 1999 - 2018
Microbiological 1999 - 2025
Nutrient 1999 - 2025
Organics, Other 1999 - 2025
Physical 1999 - 2025
*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-109191
MonitoringLocationName Shallcross Lake @ Shallcross Lake Rd. (Rd. 428)
MonitoringLocationTypeName Riverine Impoundment
HUCEightDigitCode 02040205
LatitudeMeasure 39.4833230000
LongitudeMeasure -75.6711490000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA On)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 10
CountyCode 003
ProviderName STORET