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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 >  EPA_GLNPO >  EPA_GLNPO-MI23H8502

MI23H8502 (EPA_GLNPO-MI23H8502) site data in the Water Quality Portal

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

This great lake site, maintained by the EPA Great Lakes National Program (identifier EPA_GLNPO), has the name "MI23H8502" and has the identifier EPA_GLNPO-MI23H8502.

This site is located in Muskegon County County, Michigan at 43.1366670000 degrees latitude and -87.0066670000 degrees longitude using the datum UNKWN. The horizontal location collection method was "Interpolation-Map" and the accuracy is 100 m. The source map scale is 1:24000.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "EPA_GLNPO-MI23H8502" 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, Photosynthetic Pigments 1985 - 1985
Inorganics, Major, Non-metals 1985 - 1985
Nutrient 1985 - 1985
Physical 1985 - 1985
*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 EPA_GLNPO
OrganizationFormalName EPA Great Lakes National Program
MonitoringLocationIdentifier EPA_GLNPO-MI23H8502
MonitoringLocationName MI23H8502
MonitoringLocationTypeName Great Lake
MonitoringLocationDescriptionText Open Lake sampling station (pre-LMMB)
LatitudeMeasure 43.1366670000
LongitudeMeasure -87.0066670000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 100
HorizontalAccuracyMeasure/MeasureUnitCode m
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 26
CountyCode 121
ProviderName STORET