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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 >  NWIS >  USGS-VA >  USGS-385748077255801

51M 21 (USGS-385748077255801) site data in the Water Quality Portal

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

This well site, maintained by the USGS Virginia Water Science Center (identifier USGS-VA), has the name "51M 21" and has the identifier USGS-385748077255801. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02080105. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Caroline County County, Virginia at 37.96347060000000 degrees latitude and -77.4324811900000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. The source map scale is 1:24000. This site is at an elevation of 185 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 5 feet. The vertical coordinate reference system is NGVD29.

The geologic formation type is Upper Chesapeake Group. The aquifer is a Unconfined single aquifer type. The well was contructed on 19970602. The well depth is 17.53 ft. The well hole depth is 27 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-385748077255801" 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 1997 - 2003
Inorganics, Major, Metals 1998 - 1998
Inorganics, Major, Non-metals 1997 - 2003
Inorganics, Minor, Metals 1998 - 1998
Nutrient 1997 - 2003
Physical 1997 - 2003
*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 USGS-VA
OrganizationFormalName USGS Virginia Water Science Center
MonitoringLocationIdentifier USGS-385748077255801
MonitoringLocationName 51M 21
MonitoringLocationTypeName Well
HUCEightDigitCode 02080105
LatitudeMeasure 37.96347060000000
LongitudeMeasure -77.4324811900000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 185
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 5
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 51
CountyCode 033
FormationTypeText Upper Chesapeake Group
AquiferTypeName Unconfined single aquifer
ConstructionDateText 19970602
WellDepthMeasure/MeasureValue 17.53
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 27
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS