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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 >  21FLSJWM_WQX >  21FLSJWM_WQX-ROCK SPRINGS

Rock Springs near Apopka (21FLSJWM_WQX-ROCK SPRINGS) site data in the Water Quality Portal

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

This spring site, maintained by the St. Johns River Water Management District (identifier 21FLSJWM_WQX), has the name "Rock Springs near Apopka" and has the identifier 21FLSJWM_WQX-ROCK SPRINGS. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03080101.

This site is located in Orange County County, Florida at 28.7564444000 degrees latitude and -81.5017361000 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 "21FLSJWM_WQX-ROCK SPRINGS" 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 - 2015
Biological, Algae, Phytoplankton 2014 - 2015
Biological, Photosynthetic Pigments 2014 - 2015
Information 2013 - 2016
Inorganics, Major, Metals 2013 - 2016
Inorganics, Major, Non-metals 2013 - 2016
Inorganics, Minor, Metals 2013 - 2016
Inorganics, Minor, Non-metals 2013 - 2016
Nutrient 2013 - 2016
Organics, Other 2014 - 2015
Physical 2013 - 2016
*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 21FLSJWM_WQX
OrganizationFormalName St. Johns River Water Management District
MonitoringLocationIdentifier 21FLSJWM_WQX-ROCK SPRINGS
MonitoringLocationName Rock Springs near Apopka
MonitoringLocationTypeName Spring
HUCEightDigitCode 03080101
LatitudeMeasure 28.7564444000
LongitudeMeasure -81.5017361000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 12
CountyCode 095
ProviderName STORET