Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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 >  NWIS >  USGS-NJ >  USGS-402606074163401

231456-- MW103 Repl (USGS-402606074163401) 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 New Jersey Water Science Center (identifier USGS-NJ), has the name "231456-- MW103 Repl" and has the identifier USGS-402606074163401. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02030104. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Middlesex County County, New Jersey at 40.43491667000000 degrees latitude and -74.2761944000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is 1 seconds. The source map scale is 1:24000. This site is at an elevation of 50 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.

This site is located in the "Northern Atlantic Coastal Plain aquifer system" aquifer. The geologic formation type is Magothy-Raritan-Potomac Aquifer System, Upper Aquifer. The aquifer is a Unconfined single aquifer type. The well was contructed on 19840307. The well depth is 31.2 ft. The well hole depth is 35 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-402606074163401" 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 2006 - 2011
Inorganics, Major, Metals 2006 - 2011
Inorganics, Major, Non-metals 2006 - 2011
Inorganics, Minor, Metals 2006 - 2011
Inorganics, Minor, Non-metals 2006 - 2011
Nutrient 2006 - 2011
Organics, Other 2006 - 2011
Organics, Pesticide 2006 - 2011
Physical 2006 - 2011
Radiochemical 2006 - 2011
Stable Isotopes 2006 - 2011
*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-NJ
OrganizationFormalName USGS New Jersey Water Science Center
MonitoringLocationIdentifier USGS-402606074163401
MonitoringLocationName 231456-- MW103 Repl
MonitoringLocationTypeName Well
HUCEightDigitCode 02030104
LatitudeMeasure 40.43491667000000
LongitudeMeasure -74.2761944000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 50
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 5
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 34
CountyCode 023
AquiferName Northern Atlantic Coastal Plain aquifer system
FormationTypeText Magothy-Raritan-Potomac Aquifer System, Upper Aquifer
AquiferTypeName Unconfined single aquifer
ConstructionDateText 19840307
WellDepthMeasure/MeasureValue 31.2
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 35
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS