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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-01096885

ASSABET RIVER AT SUDBURY RD NEAR STOW, MA (USGS-01096885) 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 SUDBURY RD NEAR STOW, MA" and has the identifier USGS-01096885. 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 88.0 sq mi.

This site is located in Middlesex County County, Massachusetts at 42.41166667000000 degrees latitude and -71.5080556000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. This site is at an elevation of 170 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 10 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-01096885" 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 2008 - 2014
Nutrient 2008 - 2014
Organics, Other 2010 - 2010
Organics, PCBs 2010 - 2010
Organics, Pesticide 2010 - 2010
Physical 2009 - 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 USGS-MA
OrganizationFormalName USGS Massachusetts Water Science Center
MonitoringLocationIdentifier USGS-01096885
MonitoringLocationName ASSABET RIVER AT SUDBURY RD NEAR STOW, MA
MonitoringLocationTypeName Stream
HUCEightDigitCode 01070005
DrainageAreaMeasure/MeasureValue 88.0
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 42.41166667000000
LongitudeMeasure -71.5080556000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 170
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 10
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 25
CountyCode 017
ProviderName NWIS