Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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 >  21FLTPA_WQX >  21FLTPA_WQX-G4SW0099

Withla River @ 33 (21FLTPA_WQX-G4SW0099) 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. Environmental Protection, Southwest District (identifier 21FLTPA_WQX), has the name "Withla River @ 33" and has the identifier 21FLTPA_WQX-G4SW0099. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03100208.

This site is located in Polk County County, Florida at 28.3607800010 degrees latitude and -81.8188800000 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 "21FLTPA_WQX-G4SW0099" 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 2016 - 2016
Biological, Algae, Phytoplankton 2016 - 2016
Biological, Photosynthetic Pigments 2016 - 2016
Information 2016 - 2016
Inorganics, Major, Non-metals 2016 - 2016
Nutrient 2016 - 2016
Organics, Other 2016 - 2016
Physical 2016 - 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 21FLTPA_WQX
OrganizationFormalName FL Dept. Environmental Protection, Southwest District
MonitoringLocationIdentifier 21FLTPA_WQX-G4SW0099
MonitoringLocationName Withla River @ 33
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Withla River @ 33
HUCEightDigitCode 03100208
LatitudeMeasure 28.3607800010
LongitudeMeasure -81.8188800000
SourceMapScaleNumeric 0
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 105
ProviderName STORET