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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-MA >  USGS-01096720

ASSABET RIVER AT BOUNDARY ST. NR NORTHBOROUGH, MA (USGS-01096720) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Massachusetts Water Science Center (identifier USGS-MA), has the name "ASSABET RIVER AT BOUNDARY ST. NR NORTHBOROUGH, MA" and has the identifier USGS-01096720. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070005. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 34.89 sq mi.

This site is located in Middlesex County County, Massachusetts at 42.34148240000000 degrees latitude and -71.6159002000000 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.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-01096720" 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 2001 - 2001
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2001 - 2001
Information 2001 - 2020
Inorganics, Major, Metals 2001 - 2019
Inorganics, Major, Non-metals 2001 - 2020
Inorganics, Minor, Metals 2001 - 2019
Nutrient 2001 - 2001
Organics, Other 2001 - 2020
Organics, PFAS 2020 - 2020
PFAS,Perfluorinated Alkyl Substance 2020 - 2020
PFOA, Perfluorooctanoic Acid 2020 - 2020
Physical 2001 - 2020
*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-MA
OrganizationFormalName USGS Massachusetts Water Science Center
MonitoringLocationIdentifier USGS-01096720
MonitoringLocationName ASSABET RIVER AT BOUNDARY ST. NR NORTHBOROUGH, MA
MonitoringLocationTypeName Stream
HUCEightDigitCode 01070005
DrainageAreaMeasure/MeasureValue 34.89
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 42.34148240000000
LongitudeMeasure -71.6159002000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 25
CountyCode 017
ProviderName NWIS