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.

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 >  21GAEPD_WQX >  21GAEPD_WQX-SH_02_56

Mouth of Wilmington River - Marker #19 Wassaw Sound (21GAEPD_WQX-SH_02_56) site data in the Water Quality Portal

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

This estuary site, maintained by the Georgia DNR Environmental Protection Division (identifier 21GAEPD_WQX), has the name "Mouth of Wilmington River - Marker #19 Wassaw Sound" and has the identifier 21GAEPD_WQX-SH_02_56. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03060204.

This site is located in Chatham County County, Georgia at 31.9324000000 degrees latitude and -80.9771000000 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 "21GAEPD_WQX-SH_02_56" 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 2006 - 2019
Biological, Algae, Phytoplankton 2012 - 2025
Information 2013 - 2025
Inorganics, Minor, Metals 2006 - 2019
Inorganics, Minor, Non-metals 2006 - 2015
Microbiological 1990 - 2025
Not Assigned 2013 - 2015
Nutrient 1990 - 2025
Organics, Other 2012 - 2025
Organics, PCBs 2013 - 2015
Organics, Pesticide 2013 - 2015
Physical 1990 - 2025
*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 21GAEPD_WQX
OrganizationFormalName Georgia DNR Environmental Protection Division
MonitoringLocationIdentifier 21GAEPD_WQX-SH_02_56
MonitoringLocationName Mouth of Wilmington River - Marker #19 Wassaw Sound
MonitoringLocationTypeName Estuary
HUCEightDigitCode 03060204
LatitudeMeasure 31.9324000000
LongitudeMeasure -80.9771000000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 13
CountyCode 051
ProviderName STORET