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WQP Home >  Providers >  STORET >  21FLA_WQX >  21FLA_WQX-19020028

MILLS CREEK AT SR A1A (21FLA_WQX-19020028) site data in the Water Quality Portal

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

This river/stream site, maintained by the FL Dept. of Environmental Protection, Northeast District (identifier 21FLA_WQX), has the name "MILLS CREEK AT SR A1A" and has the identifier 21FLA_WQX-19020028. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03070205.

This site is located in Nassau County County, Florida at 30.6085556000 degrees latitude and -81.7420556000 degrees longitude using the datum UNKWN. 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-19020028" 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 2004 - 2014
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2004 - 2014
Information 2004 - 2014
Inorganics, Major, Non-metals 2014 - 2014
Microbiological 2004 - 2004
Nutrient 2004 - 2014
Organics, Other 2004 - 2014
Physical 2004 - 2014
*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-19020028
MonitoringLocationName MILLS CREEK AT SR A1A
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText SEGMENT 19.2AA BODY OF WATER: CREEK, MILLS MILLS CR AT SR200 AND A1A NE OF CALLAHAN ALSO CALLED ALLIGATOR CREEK INTENSIVE SURVEY STA 25 NASSAU COUNTY MIGRATED FROM LEGACY STORET AGENCY CODE (21FLA ) ON 17-JUN-99 MAJOR BASIN NAME: SOUTH-EAST BASIN CODE: 031991 MINOR BASIN NAME: NASSAU-ST MARYS
HUCEightDigitCode 03070205
LatitudeMeasure 30.6085556000
LongitudeMeasure -81.7420556000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 12
CountyCode 089
ProviderName STORET