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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 >  STORET >  EMAP_CS >  EMAP_CS-NY01-0050-A

Great South Bay (EMAP_CS-NY01-0050-A) site data in the Water Quality Portal

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

This estuary site, maintained by the Environmental Monitoring and Assessment Program (identifier EMAP_CS), has the name "Great South Bay" and has the identifier EMAP_CS-NY01-0050-A. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02030202.

This site is located in Suffolk County County, New York at 40.7410000 degrees latitude and -72.9980000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "EMAP_CS-NY01-0050-A" 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*
Biological 2001 - 2001
Inorganics, Minor, Metals 2001 - 2001
Inorganics, Minor, Non-metals 2001 - 2001
Not Assigned 2001 - 2001
Nutrient 2001 - 2001
Organics, Other 2001 - 2001
Organics, PCBs 2001 - 2001
Organics, Pesticide 2001 - 2001
Physical 2001 - 2001
Toxicity 2001 - 2001
*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 EMAP_CS
OrganizationFormalName Environmental Monitoring and Assessment Program
MonitoringLocationIdentifier EMAP_CS-NY01-0050-A
MonitoringLocationName Great South Bay
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText Southern Long Island
HUCEightDigitCode 02030202
LatitudeMeasure 40.7410000
LongitudeMeasure -72.9980000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 36
CountyCode 103
ProviderName STORET