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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-ISTK3W

NORTHWEST LAKE ISTOKPOGA AT ENTRANCE OF JOSEPHINE CREEK (21FLSFWM-ISTK3W) 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), has the name "NORTHWEST LAKE ISTOKPOGA AT ENTRANCE OF JOSEPHINE CREEK" and has the identifier 21FLSFWM-ISTK3W. 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 27.3941719 degrees latitude and -81.3389147 degrees longitude using the datum NAD27. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical 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-ISTK3W" 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 2005 - 2009
Information 2005 - 2009
Inorganics, Major, Metals 2005 - 2009
Inorganics, Major, Non-metals 2005 - 2009
Nutrient 2005 - 2009
Physical 2005 - 2009
*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-ISTK3W
MonitoringLocationName NORTHWEST LAKE ISTOKPOGA AT ENTRANCE OF JOSEPHINE CREEK
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText Site is at mouth of Josephine Creek to assess water quality input from creek. GPS location is east of actual mouth of creek. Proceed towards creek until depth is too shallow to continue. Note actual GPS location if different.
HUCEightDigitCode 03090101
LatitudeMeasure 27.3941719
LongitudeMeasure -81.3389147
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 12
CountyCode 055
ProviderName STORET