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WQP Home >  Providers >  STORET >  MASSDEP >  MASSDEP-W2158

South Branch Souhegan River (MASSDEP-W2158) site data in the Water Quality Portal

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

This river/stream site, maintained by the Massachusetts Department of Environmental Protection (MassDEP) (identifier MASSDEP), has the name "South Branch Souhegan River" and has the identifier MASSDEP-W2158. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070006.

This site is located in Middlesex County County, Massachusetts at 42.7097542400 degrees latitude and -71.8517003300 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 "MASSDEP-W2158" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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*
Inorganics, Major, Metals 2010 - 2010
Inorganics, Major, Non-metals 2010 - 2010
Inorganics, Minor, Metals 2010 - 2010
Inorganics, Minor, Non-metals 2010 - 2010
Microbiological 2010 - 2010
Nutrient 2010 - 2010
Physical 2010 - 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 MASSDEP
OrganizationFormalName Massachusetts Department of Environmental Protection (MassDEP)
MonitoringLocationIdentifier MASSDEP-W2158
MonitoringLocationName South Branch Souhegan River
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText [approximately 2200 feet downstream of Jones Hill Road, Ashby]
HUCEightDigitCode 01070006
LatitudeMeasure 42.7097542400
LongitudeMeasure -71.8517003300
SourceMapScaleNumeric 25000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 25
CountyCode 017
ProviderName STORET