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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 >  U_NH01 >  U_NH01-NLRA T48

CLARK BROOK (U_NH01-NLRA T48) 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 UNIVERSITY OF NEW HAMPSHIRE (identifier U_NH01), has the name "CLARK BROOK" and has the identifier U_NH01-NLRA T48. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070001.

This site is located in Grafton County County, New Hampshire at 43.6551660000 degrees latitude and -71.8471380000 degrees longitude using the datum NAD83. The horizontal location collection method was "GPS-Unspecified" and the accuracy is 15 m.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "U_NH01-NLRA T48" 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*
Nutrient 2015 - 2015
Physical 2015 - 2015
*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 U_NH01
OrganizationFormalName UNIVERSITY OF NEW HAMPSHIRE
MonitoringLocationIdentifier U_NH01-NLRA T48
MonitoringLocationName CLARK BROOK
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText INTERSECTION OF CLARK BROOK AND WELTON FALLS ROAD
HUCEightDigitCode 01070001
LatitudeMeasure 43.6551660000
LongitudeMeasure -71.8471380000
HorizontalAccuracyMeasure/MeasureValue 15
HorizontalAccuracyMeasure/MeasureUnitCode m
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 33
CountyCode 009
ProviderName STORET