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 >  21FLLCPC_WQX >  21FLLCPC_WQX-MAYSW

May Lk SW Sh (21FLLCPC_WQX-MAYSW) site data in the Water Quality Portal

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

This lake site, maintained by the Lake County Water Resource Management (identifier 21FLLCPC_WQX), has the name "May Lk SW Sh" and has the identifier 21FLLCPC_WQX-MAYSW. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03080102.

This site is located in Lake County County, Florida at 28.8717049000 degrees latitude and -81.6356000000 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 "21FLLCPC_WQX-MAYSW" 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, Phytoplankton 2010 - 2010
Information 2010 - 2010
Inorganics, Major, Non-metals 2010 - 2010
Microbiological 2010 - 2010
Nutrient 2010 - 2010
Organics, Other 2010 - 2010
Physical 2010 - 2010
*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 21FLLCPC_WQX
OrganizationFormalName Lake County Water Resource Management
MonitoringLocationIdentifier 21FLLCPC_WQX-MAYSW
MonitoringLocationName May Lk SW Sh
MonitoringLocationTypeName Lake
HUCEightDigitCode 03080102
LatitudeMeasure 28.8717049000
LongitudeMeasure -81.6356000000
SourceMapScaleNumeric 5000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 12
CountyCode 069
ProviderName STORET