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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 >  21FLANER_WQX >  21FLANER_WQX-APACPNUT

221 Cat Point (21FLANER_WQX-APACPNUT) site data in the Water Quality Portal

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

This estuary site, maintained by the FDEP APALACHICOLA NATIONAL ESTUARINE RESEARCH RESERVE (identifier 21FLANER_WQX), has the name "221 Cat Point" and has the identifier 21FLANER_WQX-APACPNUT. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03130014.

This site is located in Franklin County County, Florida at 29.7020999890 degrees latitude and -84.8802000000 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 "21FLANER_WQX-APACPNUT" 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 2013 - 2025
Biological, Algae, Phytoplankton 2002 - 2025
Nutrient 2002 - 2025
Physical 2003 - 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 21FLANER_WQX
OrganizationFormalName FDEP APALACHICOLA NATIONAL ESTUARINE RESEARCH RESERVE
MonitoringLocationIdentifier 21FLANER_WQX-APACPNUT
MonitoringLocationName 221 Cat Point
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText The Cat Point datalogger and nutrient sampling site is in St. George Sound, approximately 400 meters east of the St. George Island Bridge. The piling location is 29.7021 N, 84.8802 W. The tides at Cat Point are mixed and range from 0.3 m to 1.0 m (average 0.5 m). At the sampling site, the depth is 2.5 meters MHW, and the width of the bay is 6.4 km. At the Cat Point site the datalogger probes are located 1.5 meters below the surface (or 0.3 m off the bottom sediment). This is also the approximate depth where nutrients are collected monthly. Salinity ranges from 0 to 34 psu with a long-term (2002-2017) average salinity of 21.9 psu. Flows vary with local rainfall and are not quantified due to the diverse sources of the runoff. The bottom type is oyster bar with no vegetation present except algae growing on the oysters in the summer. The dominant upland vegetation is primarily pineland forests, which include slash pine (Pinus elliotii), saw palmetto (Serenoa repens), and sand pine (Pinus clausa). Upland land use near the sampling site includes single family residential and commercial use in the Eastpoint area. The sampling site is influenced by local runoff from Tate's Hell Swamp and flow from the Apalachicola River. High salinity water comes mainly from the east, through East Pass at the eastern end of St. George Island
HUCEightDigitCode 03130014
LatitudeMeasure 29.7020999890
LongitudeMeasure -84.8802000000
SourceMapScaleNumeric 0
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 037
ProviderName STORET