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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 >  21FLSFWM-ISTKC621

IN THE ISTOKPOGA CANAL AT COUNTY ROAD 621 (21FLSFWM-ISTKC621) 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 South Florida Water Management District (identifier 21FLSFWM), has the name "IN THE ISTOKPOGA CANAL AT COUNTY ROAD 621" and has the identifier 21FLSFWM-ISTKC621. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03090101.

This site is located in Highlands County County, Florida at 27.3806800 degrees latitude and -81.2039897 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-ISTKC621" 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 1993 - 1993
Information 1989 - 2002
Inorganics, Major, Metals 1988 - 2005
Inorganics, Major, Non-metals 1988 - 2005
Inorganics, Minor, Metals 1988 - 2001
Nutrient 1988 - 2005
Physical 1988 - 2005
*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
OrganizationFormalName South Florida Water Management District
MonitoringLocationIdentifier 21FLSFWM-ISTKC621
MonitoringLocationName IN THE ISTOKPOGA CANAL AT COUNTY ROAD 621
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText IN THE ISTOKPOGA CANAL AT COUNTY ROAD 621
HUCEightDigitCode 03090101
LatitudeMeasure 27.3806800
LongitudeMeasure -81.2039897
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 055
ProviderName STORET