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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-NY >  USGS-01306440

CONNETQUOT BROOK AT CENTRAL ISLIP NY (USGS-01306440) 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 New York Water Science Center (identifier USGS-NY), has the name "CONNETQUOT BROOK AT CENTRAL ISLIP NY" and has the identifier USGS-01306440. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02030202. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 16.3 sq mi.

This site is located in Suffolk County County, New York at 40.79250000000000 degrees latitude and -73.1655556000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. The source map scale is 1:24000. This site is at an elevation of 29.93 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .01 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-01306440" 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, Metals 1966 - 1978
Inorganics, Major, Non-metals 1966 - 1978
Inorganics, Minor, Metals 1966 - 1978
Inorganics, Minor, Non-metals 1972 - 1972
Nutrient 1966 - 1978
Organics, Other 1966 - 1978
Physical 1966 - 1978
*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-NY
OrganizationFormalName USGS New York Water Science Center
MonitoringLocationIdentifier USGS-01306440
MonitoringLocationName CONNETQUOT BROOK AT CENTRAL ISLIP NY
MonitoringLocationTypeName Stream
HUCEightDigitCode 02030202
DrainageAreaMeasure/MeasureValue 16.3
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 40.79250000000000
LongitudeMeasure -73.1655556000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 29.93
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 36
CountyCode 103
ProviderName NWIS