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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-FIIS_WD_LR

Lake Ronkonkoma (11NPSWRD_WQX-FIIS_WD_LR) site data in the Water Quality Portal

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

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Lake Ronkonkoma" and has the identifier 11NPSWRD_WQX-FIIS_WD_LR. 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 40.8305010000 degrees latitude and -73.1192920000 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 "11NPSWRD_WQX-FIIS_WD_LR" 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 1948 - 1948
Inorganics, Major, Non-metals 1948 - 1948
Inorganics, Minor, Metals 1948 - 1948
Nutrient 1948 - 1948
Organics, Other 1948 - 1948
Physical 1948 - 1948
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-FIIS_WD_LR
MonitoringLocationName Lake Ronkonkoma
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText The site is located at Lake Ronkonkoma in Smithtown, NY.
HUCEightDigitCode 02030202
LatitudeMeasure 40.8305010000
LongitudeMeasure -73.1192920000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 36
CountyCode 103
ProviderName STORET