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 >  STORET >  21FLA_WQX >  21FLA_WQX-27010013

INTRACOASTAL WATERWAY MARKER 46 (21FLA_WQX-27010013) site data in the Water Quality Portal

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

This estuary site, maintained by the FL Dept. of Environmental Protection, Northeast District (identifier 21FLA_WQX), has the name "INTRACOASTAL WATERWAY MARKER 46" and has the identifier 21FLA_WQX-27010013. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03080103.

This site is located in St. Johns County County, Florida at 30.2521472000 degrees latitude and -81.4305902000 degrees longitude using the datum WGS84. 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 "21FLA_WQX-27010013" 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, Cyanobacteria 2007 - 2007
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2007 - 2007
Information 2007 - 2007
Inorganics, Major, Metals 2007 - 2007
Inorganics, Major, Non-metals 2007 - 2007
Inorganics, Minor, Metals 2007 - 2007
Inorganics, Minor, Non-metals 2007 - 2007
Microbiological 2007 - 2007
Nutrient 2007 - 2007
Organics, Other 2007 - 2007
Physical 2007 - 2007
*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 21FLA_WQX
OrganizationFormalName FL Dept. of Environmental Protection, Northeast District
MonitoringLocationIdentifier 21FLA_WQX-27010013
MonitoringLocationName INTRACOASTAL WATERWAY MARKER 46
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText SEGMENT 20.3AA BODY OF WATER: INTRACOASTAL WATERWAY INTRACOASTAL WATERWAY, MARKER NO. 46. MIGRATED FROM LEGACY STORET AGENCY CODE (21FLA ) ON 17-JUN-99 MAJOR BASIN NAME: SOUTH-EAST BASIN CODE: MINOR BASIN NAME: FLORIDA EAST COAST
HUCEightDigitCode 03080103
LatitudeMeasure 30.2521472000
LongitudeMeasure -81.4305902000
SourceMapScaleNumeric 5000
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 12
CountyCode 109
ProviderName STORET