WQP beta is currently experiencing an outage. We are working to resolve the outage and hope to have data available again soon. Thank you for your patience. In the meantime, data from WQX can still be accessed via WQP Legacy.

WQP Home >  Providers >  STORET >  NWRSFWS_WQX >  NWRSFWS_WQX-ASR01

Assabet R at Sudbury Rd upstream of ASR (NWRSFWS_WQX-ASR01) 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 National Wildlife Refuge System, Fish and Wildlife Service (identifier NWRSFWS_WQX), has the name "Assabet R at Sudbury Rd upstream of ASR" and has the identifier NWRSFWS_WQX-ASR01. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070005.

This site is located in Middlesex County County, Massachusetts at 42.4116200000 degrees latitude and -71.5082900000 degrees longitude using the datum NAD83. The horizontal location collection method was "GPS-Unspecified" and the accuracy is 1 Sec.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "NWRSFWS_WQX-ASR01" 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*
Inorganics, Major, Non-metals 2016 - 2017
Nutrient 2016 - 2017
Organics, Other 2016 - 2017
Physical 2016 - 2017
*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 NWRSFWS_WQX
OrganizationFormalName National Wildlife Refuge System, Fish and Wildlife Service
MonitoringLocationIdentifier NWRSFWS_WQX-ASR01
MonitoringLocationName Assabet R at Sudbury Rd upstream of ASR
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Assabet River at Sudbury Rd upstream of refuge. Access is from bridge. Unlikely to be wadeable. Used Van Dorn to collect samples. Take sample on left side of pylon when facing upstream. Because location is on road, recommend collecting water with Van Dorn and then placing into bottles at parking area. Water depth based on first entry from 2017 sampling effort.
HUCEightDigitCode 01070005
LatitudeMeasure 42.4116200000
LongitudeMeasure -71.5082900000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode Sec
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 25
CountyCode 017
ProviderName STORET