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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  NRWA_WQX >  NRWA_WQX-TF0012

Trapfall Brook_Ashby_Trap Falls (NRWA_WQX-TF0012) 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 Nashua River Watershed Association (Volunteer)* (identifier NRWA_WQX), has the name "Trapfall Brook_Ashby_Trap Falls" and has the identifier NRWA_WQX-TF0012. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070004.

This site is located in Middlesex County County, Massachusetts at 42.6729315081 degrees latitude and -71.7762005419 degrees longitude using the datum WGS84. 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 "NRWA_WQX-TF0012" 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*
Microbiological 2023 - 2023
*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 NRWA_WQX
OrganizationFormalName Nashua River Watershed Association (Volunteer)*
MonitoringLocationIdentifier NRWA_WQX-TF0012
MonitoringLocationName Trapfall Brook_Ashby_Trap Falls
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 01070004
LatitudeMeasure 42.6729315081
LongitudeMeasure -71.7762005419
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 25
CountyCode 017
ProviderName STORET