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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 >  31ISC2RS_WQX >  31ISC2RS_WQX-A5

Western Long Island Sound (31ISC2RS_WQX-A5) site data in the Water Quality Portal

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

This estuary site, maintained by the Interstate Environmental Commission (identifier 31ISC2RS_WQX), has the name "Western Long Island Sound" and has the identifier 31ISC2RS_WQX-A5. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02030203.

This site is located in Nassau County County, New York at 40.8983300000 degrees latitude and -73.6866600000 degrees longitude using the datum NAD83. 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 "31ISC2RS_WQX-A5" 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, Algae, Phytoplankton, Photosynthetic Pigments 1991 - 2023
Information 1991 - 2023
Inorganics, Major, Non-metals 2014 - 2023
Not Assigned 2014 - 2023
Nutrient 2014 - 2023
Organics, Other 2014 - 2023
Physical 1991 - 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 31ISC2RS_WQX
OrganizationFormalName Interstate Environmental Commission
MonitoringLocationIdentifier 31ISC2RS_WQX-A5
MonitoringLocationName Western Long Island Sound
MonitoringLocationTypeName Estuary
HUCEightDigitCode 02030203
LatitudeMeasure 40.8983300000
LongitudeMeasure -73.6866600000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 36
CountyCode 059
ProviderName STORET