Limited availability of new USGS data; starting March 11th, 2024, there will be a period when new USGS data will not be accessible on the Water Quality Portal. Data will still be collected but will not be publicly available. This limited availability is expected to last a few weeks.
Recent USGS data will be accessible again upon release of the new Data Profiles, which will be in the WQX 3.0 format. These profiles should be available in April, 2024. Please keep an eye on banners on this website for announcements.

WQP Home >  Providers >  STORET >  21FLWQA_WQX >  21FLWQA_WQX-G1SD0008

Middle Blackwater River (21FLWQA_WQX-G1SD0008) 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 Watershed Assessment Section (WAS) (identifier 21FLWQA_WQX), has the name "Middle Blackwater River" and has the identifier 21FLWQA_WQX-G1SD0008. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03090204.

This site is located in Collier County County, Florida at 25.9342000000 degrees latitude and -81.5955000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolation-Photo" and the accuracy is Unknown seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21FLWQA_WQX-G1SD0008" 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 2014 - 2021
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2014 - 2021
Biological, Photosynthetic Pigments 2016 - 2017
Nutrient 2014 - 2021
Physical 2014 - 2021
*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 21FLWQA_WQX
OrganizationFormalName FDEP Watershed Assessment Section (WAS)
MonitoringLocationIdentifier 21FLWQA_WQX-G1SD0008
MonitoringLocationName Middle Blackwater River
MonitoringLocationTypeName Estuary
HUCEightDigitCode 03090204
LatitudeMeasure 25.9342000000
LongitudeMeasure -81.5955000000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 021
ProviderName STORET