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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-01101500

IPSWICH RIVER AT SOUTH MIDDLETON, MA (USGS-01101500) 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 "IPSWICH RIVER AT SOUTH MIDDLETON, MA" and has the identifier USGS-01101500. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01090001. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 44.5 sq mi and the contributing drainage area is 44.5 sq mi.

This site is located in Essex County County, Massachusetts at 42.56953869000000 degrees latitude and -71.0269974000000 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 44.16 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .1 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-01101500" 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 2016 - 2016
Biological, Algae, Cyanobacteria 2000 - 2016
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 2000 - 2016
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2000 - 2016
Information 1998 - 2016
Inorganics, Major, Metals 1957 - 2016
Inorganics, Major, Non-metals 1957 - 2016
Inorganics, Minor, Metals 1957 - 2016
Inorganics, Minor, Non-metals 1998 - 2016
Microbiological 2003 - 2003
Nutrient 1957 - 2016
Organics, Other 1998 - 2016
Organics, PCBs 1998 - 2016
Organics, Pesticide 1998 - 2016
Physical 1955 - 2016
Radiochemical 1998 - 2016
Sediment 1998 - 2016
Stable Isotopes 2003 - 2016
*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-01101500
MonitoringLocationName IPSWICH RIVER AT SOUTH MIDDLETON, MA
MonitoringLocationTypeName Stream
HUCEightDigitCode 01090001
DrainageAreaMeasure/MeasureValue 44.5
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 44.5
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 42.56953869000000
LongitudeMeasure -71.0269974000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 44.16
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 25
CountyCode 009
ProviderName NWIS