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WQP Home >  Providers >  STORET >  21FLGTM_WQX >  21FLGTM_WQX-GTMGL2NUT

GUANA LAKE 2 (21FLGTM_WQX-GTMGL2NUT) site data in the Water Quality Portal

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

This reservoir site, maintained by the GUANA TOLOMATO MATANZAS NATIONAL ESTUARINE RESEARCH RESERVE (identifier 21FLGTM_WQX), has the name "GUANA LAKE 2" and has the identifier 21FLGTM_WQX-GTMGL2NUT. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03080201.

This site is located in St. Johns County County, Florida at 30.1160999890 degrees latitude and -81.3511000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolation-Photo" and the accuracy is Unknown seconds. The source map scale is 1:0.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21FLGTM_WQX-GTMGL2NUT" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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 2018 - 2024
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2018 - 2024
Biological, Photosynthetic Pigments 2018 - 2021
Inorganics, Minor, Metals 2020 - 2021
Microbiological 2018 - 2024
Nutrient 2018 - 2024
*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 21FLGTM_WQX
OrganizationFormalName GUANA TOLOMATO MATANZAS NATIONAL ESTUARINE RESEARCH RESERVE
MonitoringLocationIdentifier 21FLGTM_WQX-GTMGL2NUT
MonitoringLocationName GUANA LAKE 2
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText Approximately 0.87 kilometers northwest of Six Mile Landing boat launch in Guana WMA
HUCEightDigitCode 03080201
LatitudeMeasure 30.1160999890
LongitudeMeasure -81.3511000000
SourceMapScaleNumeric 0
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 109
ProviderName STORET