Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

WQP Home >  Providers >  NWIS >  USGS-CT >  USGS-411759071464901

CT HWY RT-139 Brandford, CT (USGS-411759071464901) site data in the Water Quality Portal

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

This facility: storm sewer site, maintained by the USGS Connecticut Water Science Center (identifier USGS-CT), has the name "CT HWY RT-139 Brandford, CT" and has the identifier USGS-411759071464901. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01100004. See more details of this site the the USGS NWIS Web page for this site.

This site is located in New Haven County County, Connecticut at 41.29980000000000 degrees latitude and -72.7803694000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 29 feet and the accuracy of the elevation measurement, collected using the method "Altimeter." is 10 feet. The vertical coordinate reference system is NAVD88.

The well was contructed on 20210908.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-411759071464901" 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*
Information 2021 - 2023
Inorganics, Major, Metals 2021 - 2023
Inorganics, Major, Non-metals 2021 - 2023
Inorganics, Minor, Metals 2021 - 2023
Inorganics, Minor, Non-metals 2021 - 2023
Nutrient 2021 - 2023
Organics, Other 2021 - 2023
Physical 2021 - 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 USGS-CT
OrganizationFormalName USGS Connecticut Water Science Center
MonitoringLocationIdentifier USGS-411759071464901
MonitoringLocationName CT HWY RT-139 Brandford, CT
MonitoringLocationTypeName Facility: Storm sewer
HUCEightDigitCode 01100004
LatitudeMeasure 41.29980000000000
LongitudeMeasure -72.7803694000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 29
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 10
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Altimeter.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 09
CountyCode 009
ConstructionDateText 20210908
ProviderName NWIS