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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  21FLSFWM_WQX >  21FLSFWM_WQX-TOHOBG1

North end of Big Grassy (21FLSFWM_WQX-TOHOBG1) site data in the Water Quality Portal

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

This lake site, maintained by the South Florida Water Management District (identifier 21FLSFWM_WQX), has the name "North end of Big Grassy" and has the identifier 21FLSFWM_WQX-TOHOBG1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03090101.

This site is located in Osceola County County, Florida at 28.2411958000 degrees latitude and -81.3887990000 degrees longitude using the datum NAD83. 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 "21FLSFWM_WQX-TOHOBG1" 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 2011 - 2012
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2011 - 2012
Biological, Photosynthetic Pigments 2011 - 2012
Information 2011 - 2012
Nutrient 2011 - 2012
*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 21FLSFWM_WQX
OrganizationFormalName South Florida Water Management District
MonitoringLocationIdentifier 21FLSFWM_WQX-TOHOBG1
MonitoringLocationName North end of Big Grassy
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText North end of Big Grassy
HUCEightDigitCode 03090101
LatitudeMeasure 28.2411958000
LongitudeMeasure -81.3887990000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 097
ProviderName STORET