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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 >  21FLPNS_WQX >  21FLPNS_WQX-32010760

Grass Lake (Upper) (21FLPNS_WQX-32010760) site data in the Water Quality Portal

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

This lake site, maintained by the FL Dept. of Environmental Protection, Northwest District (identifier 21FLPNS_WQX), has the name "Grass Lake (Upper)" and has the identifier 21FLPNS_WQX-32010760. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03140102.

This site is located in Okaloosa County County, Florida at 30.4661000000 degrees latitude and -86.4252833000 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 "21FLPNS_WQX-32010760" 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 2013 - 2013
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2013 - 2013
Biological, Photosynthetic Pigments 2013 - 2013
Information 2013 - 2013
Inorganics, Major, Non-metals 2013 - 2013
Nutrient 2013 - 2013
Organics, Other 2013 - 2013
Physical 2013 - 2013
*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 21FLPNS_WQX
OrganizationFormalName FL Dept. of Environmental Protection, Northwest District
MonitoringLocationIdentifier 21FLPNS_WQX-32010760
MonitoringLocationName Grass Lake (Upper)
MonitoringLocationTypeName Lake
HUCEightDigitCode 03140102
LatitudeMeasure 30.4661000000
LongitudeMeasure -86.4252833000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 091
ProviderName STORET